Search Results for “Yangel Yuzhnoye State Design Office” – Collected book of scientific-technical articles

12.2.2025 Algorithm for filling databases of the automated control system utilized at space rocketry enterprises, considering the differentiation of working and archived information.

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12. Algorithm for filling databases of the automated control system utilized at space rocketry enterprises, considering the differentiation of working and archived information.

Date of receipt of the article for publication: 29.09.2025

Date of acceptance of the article for publication after review: 13.10.2025

Date of publication: 27.01.2026

ISSN: 2617-5525

e-ISSN: 2617-5533

Authors:

Manko T. A.¹, Husarova I. O.², Klymenko D. V.²

ORCID authors:

Manko T. A.¹ ORCID, Husarova I. O.² ORCID, Klymenko D. V.² ORCID

Organization:

Oles Honchar Dnipro National University¹, Yangel Yuzhnoye State Design Office²

Page: Kosm. teh. Raket. vooruž. 2025 (2); 105-111

DOI: https://doi.org/10.33136/stma2025.02.105

Language: Ukrainian

Annotation: The application of modern information technologies in enterprises of the rocket and space industry is an essential component for ensuring the high quality of economic activity. These technologies, such as the design of new systems and parts, the management of production cycles, the optimization of logistics operations, and the maintenance of fi nancial, economic, and accounting documentation, are actively integrated into the automation of various processes. This approach enables not only meeting modern market requirements and technological standards, but also achieving a signifi cant increase in the overall effi ciency of the enterprise. To increase the productivity of the automated control system (ACS) databases of Yuzhnoye State Design Offi ce and organize the disk space on servers through data archiving, the problems that arise when implementing the algorithm for fi lling ACS databases were investigated, taking into account the distinction between working and archival information in modern domestic enterprises, and recommendations were developed for resolving those problems. Approaches to devising a methodology for developing software based on a single database for enterprise management were improved, taking into account the requirements of enterprises in the rocket and space industry, by creating new programs that allow the application of modern information technologies. The practical signifi cance of the obtained results lies in the development of recommendations that can be used in the activities of Yuzhnoye State Design Offi ce and other enterprises. The warranty period for the servers and data storage systems at the enterprise has expired, which resulted in failures of a signifi cant amount of IT capacity. The implementation of this algorithm allows for promptly reducing the load on computing power and enhancing the fault resistance of computer systems. It will facilitate the process of making appropriate management decisions and ensure that management personnel are provided with relevant, targeted, complete, practical, and comparable information.

Key words: automation, rocket and space technology, programming, data processing, database, algorithm

Bibliography:

1. Ohorodnik M. i Zelinska O. Perevahy ta nedoliky reliatsiinykh ta nereliatsiinykh baz danykh. Prykladni aspekty suchasnykh mizhdystsyplinarnykh doslidzhen: materialy І Vseukr. nauk.-prakt. konf. (m. Vinnytsia, 26 lyst. 2021 r.), Vinnytsia, 2021. S. 106-108.
2. Dobrolubova M. V. Prohramuvannia baz danykh: konspect lektsii: navch. posib. dlia stud. spetsialnosti 152 «Metrologiia ta informatsiino-vymiriuvalna tekhnika». Kyiv: KPI im. Ihoria Sikorskoho, 2021. 275 s.
3. Dotsenko S. I. Orhanizatsiia ta systemy keruvannia bazamy danykh: Navch. posibnyk. Kharkiv: UkrDUZT, 2023. 117 s.
4. Zavadskyi I. O. Osnovy baz Danykh: Navch. posib. K. 2011. 192 s.
5. Ibraieva L. K. Proektirovanie baz danny’x. Konspekt lekcy’j dlya studentov vsex form obucheniya special’nosti 5В0702 – Avtomatizaciya i upravlenie. Almaty: AIES, 2010. 63 s.
6. Stvorennia povnoi rezervnoi kopii bazy danykh. URL: https://learn.microsoft.com/ru-ru/sql/relational-databases/backup-restore/create-a-full-database-backup-sql-server?view=sql-server-ver16&_gl=1*5hfglu*_gcl_au*MTUxMjE2NzIxOS4xNzMyNzMwNjMz (data zvernennia 29.11.24).
7. Vasilyeva E., Krupnov Yu. Development of the methodological approach to the comprehensive assessment of the innovative project effectiveness. E3S Web of Conferences. № 164, 2020, art.n. 10037. https://doi.org/10.1051/e3sconf/202016410037

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11.2.2025 Reviewing the benefits of utilizing AL–Mg–Sc alloys in Ukraine’s space rocket industry. Analysis of market factors

manager — Tue, 27 Jan 2026 09:21:31 +0000

11. Reviewing the benefits of utilizing AL–Mg–Sc alloys in Ukraine’s space rocket industry. Analysis of market factors

Date of receipt of the article for publication: 03.11.2025

Date of acceptance of the article for publication after review: 17.11.2025

Date of publication: 27.01.2026

ISSN: 2617-5525

e-ISSN: 2617-5533

Authors:

Yermolenko Ye. O.¹, Mernikov H. I.¹, Rudenko O. O.¹, Bondarenko O. V.²

ORCID authors:

Bondarenko O. V.² ORCID

Organization:

Yangel Yuzhnoye State Design Office¹, Oles Honchar Dnipro National University²

Page: Kosm. teh. Raket. vooruž. 2025 (2); 93-104

DOI: https://doi.org/10.33136/stma2025.02.093

Language: Ukrainian

Annotation: The article outlines the prospects, possibilities, and directions for the space rocket applications of aluminumscandium alloys in Ukraine. It also analyzes the potential of Ukraine as a supplier of aluminum-scandium alloys. The relevance and the scientifi c novelty of this study are determined by the need to fi nd new materials to replace traditional supplies, considering the aggravation of geopolitical confrontation (trade wars) between the PRC, USA, EU, Russian Federation, and other world powers in the markets of strategic raw materials. As part of the search for alternative materials and sources of import for the manufacturing of space rocket technologies, this paper studies the possibilities of using aluminum alloys with enhanced properties, namely: Al–Mg, Al–Li, Al–Cu–Li, Al–Si–Mg, Al–Sc, and Al–Mg–Sc alloys. The paper demonstrates that the physical, mechanical, and chemical properties of aluminum-scandium and aluminum-magnesium-scandium alloys fi t the operating conditions of space rocket technologies. Moreover, these alloys have many advantages and allow for the enhancement of principal technical parameters for space rocket technologies, such as structural perfection (reduction of the mass of structures, high manufacturing accuracy due to the fi ne grain size of alloys), reliability of operation under severe conditions (high strength and resistance to vibration, heat, and corrosion), and the possibility of repeated use (heat resistance and durability of alloys). The manufacturing of parts from these alloys does not diff er from traditional production processes. Aluminum-scandium alloys are easy to weld, press, and machine by cutting. The paper corroborates that Ukraine holds the potential to revive its production of aluminum-scandium alloys, as it possesses a functioning research base and professionals. Ukraine’s mineral and feedstock base for scandium enables the country to satisfy any needs of the space rocket industry. Until 1995, Ukraine operated a plant producing scandium-containing alloys from Ukrainian raw materials. The resumption of production requires investment and political will.

Key words: aluminum-scandium alloys, space rocket technologies, market research, aluminum alloy manufacturers, price indicators

Bibliography:

1. Aluminii ta yoho spoluky v raketnii tekhnitsi. URL: https://evek.com.ua/reference/alyuminiy-i-ego-soedineniya-v-raketnoy-tehnike.html (data zvernennia 21.09.2025).
2. 5000 Series Aluminum Alloy: A Comprehensive Overview. URL: https://elkamehr.com/en/5000-series-aluminum-alloy/ (data zvernennia 21.09.2025).
3. Aluminii, mid ta splavy na yikh osnovi. NUBiP Ukrainy. pdf URL: https://elearn.nubip.edu.ua/pluginfile.php/704375/mod_resource/content/2/%D0%9C%D0%BE%D0%B4_2_%D0%9B%D0%B5%D0%BA%D1%86i%D1%8F_11_%D0%B0%D0%BB%D1%8E%D0%BCi%D0%BDi%D0%B9_%D0%BCi%D0%B4_.pdf?utm_source=chatgpt.com (data zvernennia 21.09.2025).
4. Dzhur Ye. O., Kalinina N. Ye., Dzhur O. Ye., Kalinin O. V., Nosova T. V., Mamchur S. I. Pidvyshchennia vlastyvostei deformovanykh aluminiievykh splaviv, modyfikovanykh nanokompozytsiiamy. Kosmichna nauka i technolohiia. 2021. 27, № 6 (133). S. 98—104. https://doi.org/10.15407/knit2021.06.098
5. Kalinina N. Ye., Bondarenko O.V. Vykorystannia aluminiievykh splaviv v aviatsiinii ta raketno-kosmichnii tekhnitsi: Navch. posib. D.: RVV DNU, 2011. 64 s.
6. Davyduk A., Polizhko S. Zmina struktury ta mekhanichnykh vlastyvostei aluminiievoho splavu systemy Al–Mg–Sc unaslidok obroblennia kompleksnym nanomodyfikatorom. Visn. Kharkivskoho natsionalnoho avtomobilno-dorozhnoho universytetu. 2023. № 103. S. 211–215.
7. Ostash O. P., Chepil R. V., Titov V. A., Polivoda S. L., Voron M. M., Podhurska V. Ya. Mitsnist i tsyklichna trishchinostiikist termodeformovanykh splaviv systemy Al–Mg–Sc. Fizyko-khimichna mekhanika materialiv. 2021. T. 57. № 3. S. 118-125. https://doi.org/10.1007/s11003-021-00555-w
8. AIAA Propulsion and Energy Forum, 2019 — Additive Manufacturing for Propulsion Systems, 19–22 august 2019. S. 217.
9. Perestan’ gry’zt’ vafli, rozdil «Kosmonavtyka» saitu N+1, 2021 r. URL: https://ru.wikipedia.org/wiki/%D0%A1%D0%BA%D0%B0%D0%BD%D0%B4%D0%B8%D0%B
10. Scandium oxide is a rare and valuable metal. URL: https://ua.hnosc.com/news/scandium-oxide-is-a-rare-and-valuable-metal-th-75876554.html
11. Aluminum Market Size, Share, and Trends 2025 to 2034. URL: https://www.precedenceresearch.com/aluminum-market (data zvernennia 21.09.2025).
12. Aluminium Market Size, Share & Industry Analysis, By Product (Sheet, Plate, Cast Products, Extrusion, and Others), By Alloy Type (Cast Alloy and Wrought Alloy), By End-use (Construction, Transportation {Aerospace, Automotive, and Marine}, Packaging {Food & Beverages, Cosmetics, and Others}, Electrical, Consumer Durables, Machinery & Equipment, and Others), and Regional Forecast, 2024-2032. 2025. URL: https://www.fortunebusinessinsights.com/industry-reports/aluminium-market-100233 (data zvernennia 21.09.2025).
13. Global Market Insights, Inc. Aluminum Alloys Market Size By Product (Wrought, Cast), By End-user (Transportation, Construction, Packaging, Machinery, Electrical): Industry Analysis Report, Regional Outlook, Growth Potential, Price Trends, Competitive Market Share & Forecast, 2017–2024. April 2017.
URL: https://www.gminsights.com/industry-analysis/aluminum-alloys-market
14. Aluminum Scandium Alloys Market Size. 2025. https://www.globalgrowthinsights.com/market-reports/aluminum-scandium-alloys-market-107081 (data zvernennia 21.09.2025).
15. Аluminium scandium alloy market. 2025. https://market.us/report/aluminium-scandium-alloy-market/ (data zvernennia 21.09.2025).
16. Aluminum Producing Companies in the World, 6 august 2020.
URL: https://www.steeltechnology.com/articles/aluminum-producing-companies-in-the-world?utm_source=chatgpt.com
17. Miningdigital URL: https://miningdigital.com/top10/top-10-aluminium-mining-processing-companies?utm_source=chatgpt.com
18. Geopolitical Impact Analysis https://market.us/report/aluminium-scandium-alloy-market/ (data zvernennia 21.09.2025).

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Vietnam	Thanh Pho Thai Nguyen;; Vũng Tàu;; Nam Định; Bien Hoa;	7
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Ukraine	Vinnytsia; Kyiv; Dnipro; Kremenchuk; Odessa	5
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China	Nanjing; Nanjing; Nanjing	3
Great Britain	London; Bristol	2
India	Mumbai; Mumbai	2
Netherlands	Bleiswijk	1
Germany	Falkenstein	1
Indonesia	Denpasar	1
Chile	Talcahuano	1
Argentina		1
Brazil	Rio de Janeiro	1
Tunisia	Tunis	1
Lithuania		1
The Republic of Korea	Seoul	1
Sweden	Stockholm	1
Ivory Coast	Abidjan	1

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10.2.2025 Digitalization of design documentation development processes within the enterprise

manager — Tue, 27 Jan 2026 09:11:55 +0000

10. Digitalization of design documentation development processes within the enterprise

Date of receipt of the article for publication: 29.09.2025

Date of acceptance of the article for publication after review: 13.10.2025

Date of publication: 27.01.2026

ISSN: 2617-5525

e-ISSN: 2617-5533

Автори: Trubin A. V., Prykhodko M. V., Deineko L. M.

Organization: Yangel Yuzhnoye State Design Office

Page: Kosm. teh. Raket. vooruž. 2025 (2); 85-92

DOI: https://doi.org/10.33136/stma2025.02.085

Language: Ukrainian

Annotation: The article examines the process of implementing digitalization for product making using the example of design documentation development at Yuzhnoye SDO in conformity with the Industry 4.0 concept. This concept applies four principles: compatibility, transparency, continuous support, and decentralization. The article also examines the principles of digital transformation, the advantages of integrating Computer-Aided Design (CAD), Computer-Aided Engineering (CAE), Computer-Aided Manufacturing (CAM), Product Data Management (PDM), and Product Lifecycle Management (PLM), the improvement of the enterprise’s unifi ed information space, and the application of the project-based approach to product development. This approach has signifi cantly increased the effi ciency of design processes. Foremost, reducing the number of hours for approving design documentation is noted, as all data is centrally stored and processed in a single digital environment. The automated generation of workfl ow provides a high level of consistency and reduces the risk of errors during manual preparation of documents. In addition, the parametric and skeletal modeling allows for prompt changes in the structural elements of the product, which are automatically refl ected in all related documents. The article specifi cally focuses on the formulation of distinct requirements for templates, wireframes, interfaces, parameter tables, sketches, 3D models of parts and assembly units, drawings, and bills of materials. These requirements ensure the same rules of work among all project participants, enabling professionals to navigate the product structure promptly, understand the logic of model construction, make changes, and make technical decisions. The article emphasizes that digitalization and the utilization of a single information space produce a basis for further devising innovative solutions and ensuring the enterprise’s sustainability under digital economy conditions.

Key words: Industry 4.0, CAD / CAE / CAM / PDM, Project Management Body of Knowledge (PMBOK), digital, single information space, project-based approach

Bibliography:

1. Yurchak O.V., Stepanets O.V., Nekrashevych O.V. Vyrobnychi KPE: aktualnyi stan ta perspektyvy rozvytku v Ukraini. Asotsiatsiia pidpriiemstv promyslovoi avtomatyzatsii Ukrainy, 2019. 44 s. URL: https://tk185.appau.org.ua/whritepapers/aCampus-whitepaper-ISO22400+++.pdf‎
2. Madison A. Thompson, Understanding the Basic of Industry 4.0. 2023. 266 p.
3. Dehtiarov M. O., Yurchak O. V., Paramonov O. H., Potapovych L. P., Trubin A. V., Deineko L. M., Zievako V. S. Stvorennia suchasnoi metodyky navchannia z vykonannia proiektiv.: Zb. materialiv konf. «Suchasni problemy mekhaniky u konstruktsiiakh spetsialnoho pryznachennia». 2025. 452 s.
4. McFarlane B. Autodesk Inventor Exercises: for Autodesk Inventor and Other Feature-Based Modeling Software. Routledge. 2017. 434 p. https://doi.org/10.4324/9781315725802
5. Project Management Institute: Posibn. do Zvodu znan z upravlinnia proiektamy (PMBoK Guide). 6-te vyd. Niutaun Skver, Pensilvaniia, SSHA: Project Management Institute, 2017. 726 s.

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China	Guangzhou; Nanjing; Nanjing;; Nanjing; Shenzhen	6
France	Paris; Paris; Paris; Strasbourg;	5
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Germany	Falkenstein	1
Spain	San Sebastián de los Reyes	1
Senegal	Dakar	1
Iran	Tehran	1
Dominican Republic		1
Bangladesh		1

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9.2.2025 Product quality analysis using methods of statistical study of repair results

manager — Tue, 27 Jan 2026 09:03:20 +0000

9. Product quality analysis using methods of statistical study of repair results

Date of receipt of the article for publication: 24.11.2025

Date of acceptance of the article for publication after review: 08.12.2025

Date of publication: 27.01.2026

ISSN: 2617-5525

e-ISSN: 2617-5533

Authors:

Demchenko A. V., Kryvobokov L. V., Us Yu. M.

ORCID authors:

Us Yu. M. ORCID

Organization:

Yangel Yuzhnoye State Design Office

Page: Kosm. teh. Raket. vooruž. 2025 (2); 79-84

DOI: https://doi.org/10.33136/stma2025.02.079

Language: Ukrainian

Annotation: The quality analysis of products is a crucial component of production management and reliability enhancement for manufactured or repaired items. Today, the growing complexity of technological processes and the expanding range of products necessitate eff ective quality control methods that ensure reliable assessment with minimal time and resource expenditure. One of the most eff ective tools for achieving this is statistical quality control. It enables informed decisions about product quality based on sample inspection results. This paper examines two approaches for evaluating the quality of repaired products: the single sampling method and the sequential analysis method. The single sampling method helps determine whether the entire batch meets the specifi ed quality criteria using a representative sample. This method involves calculating the optimal sample size and the acceptable number of defective items, taking into account the admissible risk levels for both the supplier and the customer. The principal advantage of this method lies in the simplicity of calculations and the ability to predict the probability of batch acceptance or rejection. The sequential analysis method developed by Wald off ers a more fl exible approach for large batches of products. It allows devising a control plan in the form of a graph divided into three regions: acceptance, rejection, and an intermediate zone where additional testing is required. This method reduces the number of necessary tests, saves resources, and ensures quality assessment with specifi ed reliability and risk levels. To accurately classify batches in the intermediate region, the truncation method is applied, allowing a fi nal decision on batch quality based on additional data. This paper presents calculation examples based on real repair data, demonstrating the practical eff ectiveness of both methods. The results show that statistical quality control enhances the reliability of decisions made, optimizes the product inspection process, and ensures a high level of product reliability under given economic and technical conditions. The fi ndings are practical for quality control and reliability assurance engineers, as well as for managers at production facilities, seeking to introduce statistical control into product repair and modernization processes.

Key words: quality control, sampling, sequential analysis, Wald, reliability

Bibliography:

1. Montgomery D. C. Introduction to Statistical Quality Control. 8th ed. Wiley, 2020. 754 p.
2. Chervonyi A. A. ta in. Nadiinist skladnykh system. Mashynobudivnytstvo, 1976.
3. Wald A. Sequential Analysis. Dover Publications, 2004. 212 p. (Reprint of 1947 edition).
4. Wetherill G. B., Brown D.W. Statistical Process Control: Theory and Practice. Chapman and Hall, 2017. 296 p.
5. Stephens K. S. The Handbook of Applied Acceptance Sampling: Plans, Procedures and Principles. ASQ Quality Press, 2021. 388 p.
6. Venttsel O. S. Teoriia ymovirnostei. Nauka, 1964. 572 s.
7. ISO 2859-1:2020. Sampling procedures for inspection by attributes. Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lotby-lot inspection. Geneva: ISO, 2020.

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USA	Ashburn; Cupertino; Ashburn; El Monte; El Monte; El Monte; El Monte; Pomona; Ashburn; Ashburn; Ashburn;; Ashburn; San Mateo; San Mateo; San Mateo; San Mateo; San Mateo; San Mateo; San Mateo; San Mateo; San Mateo; Walton; Lakeside; Lakeside; Lakeside; Lakeside; Lakeside; Lakeside; San Francisco; San Francisco; San Francisco; San Francisco; San Francisco; San Francisco; Albany; Albany; Albany; Albany	39
China	; Nanjing; Nanjing; Shenzhen;; Pekin	6
Vietnam	; Hanoi; Huế; Hanoi; Hung Yen	5
Singapore	Singapore; Singapore; Singapore; Singapore; Singapore	5
France	Paris; Gravelines; Paris	3
Unknown	Hong Kong; Hong Kong; Hong Kong	3
Ukraine	Dnipro; Kremenchuk	2
Jordan	Amman	1
Ireland		1
Spain	Madrid	1
Iran	Tehran	1
Canada	Three Hills	1
Tunisia	Gafsa	1
Italy		1
Denmark	Holstebro	1
Kenya		1
Mexico	Tlaltizapan	1
Israel	Yhud	1
Germany	Falkenstein	1
Cambodia	Phnom Penh	1
India	Mumbai	1
Bangladesh	Dhaka	1
Romania		1

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8.2.2025 Specificity of spaceport construction at a lunar base

manager — Tue, 27 Jan 2026 08:54:29 +0000

8. Specificity of spaceport construction at a lunar base

Date of receipt of the article for publication: 19.10.2025

Date of acceptance of the article for publication after review: 03.11.2025

Date of publication: 27.01.2026

ISSN: 2617-5525

e-ISSN: 2617-5533

Authors:

Pustovharov A. A., Husarova I. O., Kozis K. V., Lysenko Ya. A., Osinovyy H. H.

ORCID authors:

Pustovharov A. A. ORCID, Husarova I. O. ORCID, Kozis K. V. ORCID, Lysenko Ya. A. ORCID, Osinovyy H. H. ORCID

Organization:

Yangel Yuzhnoye State Design Office

Page: Kosm. teh. Raket. vooruž. 2025 (2); 71-78

DOI: https://doi.org/10.33136/stma2025.02.071

Language: Ukrainian

Annotation: The 21st century started with changes in hopes and expectations for space exploration. Plans are being announced to move from researching and studying the solar system to colonizing it. The primary object of attention is the Earth’s natural satellite. A return to the Moon is expected in the near future, and various countries are already planning short-term crewed expeditions to the Moon. A gradual establishment of permanent human presence on the Moon is supposed, for which lunar bases will be created. One of the most essential tasks in exploring the Moon will be to ensure the reliable transportation of people and cargo between Earth and the Moon. The intensity of spacecraft fl ights will increase signifi cantly after the start of lunar base construction, remaining high in subsequent stages. Therefore, it can be expected that spaceports will become essential components of lunar bases. In addition to prepared sites, spaceports must have the necessary equipment and resources. The creation of a spaceport on the Moon has its own peculiarities, which are discussed in this article. The article examines the specifi city of spaceport construction on the Moon, considering the unusual nature of this task, and makes a brief analysis of modern approaches to accomplishing it. The article supposes the potential location of the spaceport, outlines the possible impact of lunar surface relief on spaceport construction, and identifi es factors of priority concern. The fi rst approximation provides the principal quantitative and qualitative indicators characterizing the spacecraft landing process. Recommendations are given regarding selecting the shape and size of landing pads for spacecraft. A possible structural diagram of a lunar spaceport has been developed, with a list of the primary components and equipment. The article also identifi es limitations that need to be taken into account and indicates various factors that will infl uence the design of the spaceport and, therefore, need to be considered. The work carried out may serve as a theoretical basis for the further development of the lunar base concept.

Key words: colonization of the Moon, lunar base, lunar spaceport, landing pad

Bibliography:

1. Artemis Plan. NASA’s Lunar Exploration Program Overview. September, 2020. 74 p. URL: https://nasa.gov/wp-content/uploads/2020/12/artemis_plan-20200921.pdf
2. Voelcker Ana Carolina. Moon base ad lunam. KTH Royal Institute of Technology. Stockholm, Sweden, 2023. 51 p. URL: https://www.diva-portal.org/smash/get/diva2:1868224/FULLTEXT01.pdf
3. Kysluk V. S. Kosmichni doslidzhennia Misiatsia: suchasnyi stan ta perspektyvy (ohliad). Kosmichna nauka i tekhnolohiia. 2013. T. 19. № 3. S. 5 – 20.
4. Melodie Yashar. ICON’s Project Olympus: Lunar Landing Pad Concept Design. URL: https://www.melodieyashar.com/lunar-landing-pad.html (data zvernennia 21.09.2025).
5. SpaceX Starship at NASA Artemis Base Camp by ICON. https://www.humanmars.net/search/label/Artemis%20Base%20Camp (data zvernennia 21.09.2025).
6. David L. How can we build landing and launch pads on the moon? 2024 https://www.space.com/the-moon-building-lunar-landing-launch-sites.
7. Kyryluk S. M. Pryroda Misiatsia: monohrafiia. Chernivtsi: Chernivetskyi nats. un-t im. Yuriia Fedkovycha, 2021. 240 s.
8. Kyryluk S. M. Landshaftni kompleksy malykh misiachnykh krateriv. Nauk. visn. Chernivetskoho universytetu: Zb. nauk. prats. Vyp. 633 – 634. Heohrafiia.
9. Kyryluk S. M., Spatar K. I. Heoloho-heomorfolohichni struktury vydymoi pivkuli Misiatsia. Nauk. visn. Chernivetskoho universytetu: Zb. nauk. prats. Vyp. 616. Heohrafiia. S. 101 – 112.
10. Stoyan Yu. G., Gil’ N. I. Metody’ i algoritmy’ razmeshheniya ploskix geometricheskix ob’’ektov. K.: Nauk. dumka, 1976. 249 s.

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6.2.2025 Floating launch platform of a sea-based space launch site

manager — Tue, 27 Jan 2026 08:37:10 +0000

6. Floating launch platform of a sea-based space launch site

Date of receipt of the article for publication: 07.12.2025

Date of acceptance of the article for publication after review: 22.12.2025

Date of publication: 27.01.2026

ISSN: 2617-5525

e-ISSN: 2617-5533

Authors:

Pustovharov A. A.

ORCID authors:

Pustovharov A. A. ORCID

Organization:

Yangel Yuzhnoye State Design Office

Page: Kosm. teh. Raket. vooruž. 2025 (2); 58-66

DOI: https://doi.org/10.33136/stma2025.02.058

Language: Ukrainian

Annotation: One of the courses in the evolution of space rocket complexes is the relocation of launch sites for space launchers to the World Ocean. Firstly, it provides the opportunity to render space services for countries that encounter complications in fi nding locations for spaceports on land. Secondly, it allows for a larger number of launch azimuths. Thirdly, it helps to increase the payload capabilities of space launchers lifting from launch sites closer to the equator. The article reviews the current global progress in utilizing ships as part of sea-based space launch sites. It notes that more and more countries are becoming interested in the development and construction of maritime space launch sites. As one of the leading enterprises in the rocket and space industry, Yuzhnoye State Design Offi ce also conducts relevant research and development, which has already yielded a conceptual design for such a launch site for the Cyclone-1K lightweight space launcher. A specifi cally equipped naval vessel was selected as the launch platform for this rocket. The article outlines initial data applied for the overall design of the launch facility and the launch platform in particular. The design process involved modern software for 3D modeling and fi nite element analysis. A conceptual view and the primary characteristics of the launch platform, obtained through the design, are presented. The platform’s primary systems are described. The specifi city of equipment arrangement to support launch vehicle preparation and ensure the liftoff , as well as the relation between such arrangement and the launch platform’s appearance and internal structure, are demonstrated. The results of this work will be valuable for the practical implementation of the sea-based space launch site project. A fl oating launch platform is the essential element of a sea-based space launch facility, as it accommodates everything necessary for launching space rockets from the sea surface. Thanks to the versatility of the fl oating launch platform, it is possible to outline its appearance and characteristics according to the strategy for the launch services market.

Key words: sea launch, sea-based space launch site, space launcher, fl oating launch platform

Bibliography:

1. Jeff Foust, February 14, 2023. SpaceX drops plans to convert oil rigs into launch platforms. URL: https://spacenews.com/ spacex-drops-plans-to-covert-oil-rigs-into-launch-platforms (data zvernennia 25.09.2025).
2. A Spaceport for Germany. The driver for a strong business and aerospace location. URL: https://www.offshore-spaceport.de/en (data zvernennia 25.09.2025).
3. Andrew Jones, December 9, 2022. China launches 14 satellites with new solid rocket from mobile sea platform. URL: https://spacenews.com/china-launches-14-satellites-with-new-solid-rocket-from-mobile-sea-platform (data zvernennia 25.09.2025).
4. Andrew Jones, January 13, 2025. Chinese sea launch sends 10 navigation enhancement satellites into orbit. URL: https://spacenews.com/chinese-sea-launch-sends-10-navigation-enhancement-satellites-into-orbit (data zvernennia 25.09.2025).
5. Andrew Jones, October 11, 2025. Huge commercial Chinese solid rocket launches 3 satellites from barge in the Yellow Sea. URL: https://spacenews.com/huge-commercial-chinese-solid-rocket-launches-3-satellites-from-barge-in-the-yellow-sea (data zvernennia 12.10.2025).
6. Larkin Yu. M., Onyshchenko A. F. Osoblyvosti proiektuvannia balkeriv. Visn. Odeskoho natsionalnoho morskoho universytetu. 2015. № 3 (45). S. 219 – 228.
7. Rehistr sudnoplavstva Ukrainy. Pravyla shchodo obladnannia morskykh suden. T. 2. Chastyny: ІІ «Korpus»; ІІІ «Prystroi, obladnannia i zabezpechennia»; ІV «Ostiinist»; V «Podil na vidsiky»; ХVІ «Konstruktsiia ta mitsnist korpusiv suden iz polimernykh kompozytsiinykh materialiv». Rehistr sudnoplavstva Ukrainy. 2020. 792 s.
8. Dontsov S. V. Osnovy teorii sudna. Odesa, 2020. 188 s.
9. Novikov A. I., Zinkovskii-Horbatenko V. H., Kot V. P. Vantazhna marka morskykh suden. Navch. posibn . Sevastopol, 2006. 160 s.
10. Hurs I. F. Praktychni rozrakhunki morekhidnykh yakostei sudna. Izmailskyi morskyi trenazhernyi tsentr. Izmail, 2001. 29 s.
11. Eyres D. J., Bruce G. J. Ship construction. 7th edition. Elsevier ltd, 2012. 388 p. https://doi.org/10.1016/B978-0-08-097239-8.00036-2
12. Syzov V. H. Teoriia korablia: Navch. posibn. Odeska nats. mor. akad. Odesa: FENIKS, 2003. 284 s.
13. Presentatsiia rushiiv Azipod® serii VI. Buklet firmy ABB Oy, Marine. 2010. 36 s.
14. WST-24R Retractable Thruster. Buklet firmy Wärtsilä Corporation. 2017. 2 s.

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5.2.2025 Analysis and minimization of resistive forces occurring during rocket stage separation. Possibility of using a single pneumatic pusher for stage separation

manager — Tue, 27 Jan 2026 08:28:58 +0000

5. Analysis and minimization of resistive forces occurring during rocket stage separation. Possibility of using a single pneumatic pusher for stage separation

Date of receipt of the article for publication: 10.11.2025

Date of acceptance of the article for publication after review: 24.11.2025

Date of publication: 27.01.2026

ISSN: 2617-5525

e-ISSN: 2617-5533

Authors:

Udovychenko D. O., Makarenko A. O.

ORCID authors:

Udovychenko D. O. ORCID

Organization:

Yangel Yuzhnoye State Design Office

Page: Kosm. teh. Raket. vooruž. 2025 (2); 46-57

DOI: https://doi.org/10.33136/stma2025.02.046

Language: Ukrainian

Annotation: One of the primary objectives in designing separation systems for rocket stages is to create a system featuring minimal mass while ensuring the required relative speed of stage separation, achieving minimal thrust diff erence, and preventing contamination of spacecraft surfaces. Based on the results of resolving an optimization problem, the utilization of one pneumatic pusher for stage separation is one of the optimum scenarios, which will enable a several times lighter mass of the separation system due to the signifi cant reduction of the mass of pipelines, the overall mass of the pusher, and the mass of gas bottles and their fasteners. The preliminary analysis of the separation process and the possibility of using a single pneumatic pusher for stage separation was performed using a mathematical model in the form of a system of diff erential equations describing the stage separation process, and through a series of calculations. The calculation results demonstrate that using a single pneumatic pusher to minimize the risk of an emergency requires a substantial reduction of the resistive forces occurring during stage separation. The article reviews the results of ground development testing for the stage separation system utilized in the Cyclone launch vehicles. It simulates an emergency when an abnormal detachment of the structural elements of stages occurs due to a meshing of electrical disconnector covers, resulting in the adapter section rotation by an angle over the allowable value. The article outlines the method for the experimental determination of resistive forces, presents calculated values obtained during the design phase, and compares these values with experimental data. Resistive force components were identifi ed during testing, such as detachment forces for electrical connectors and sealing elements, and friction forces in guiding studs. For the fi rst time in the practice of launch vehicle design, the authors present a separation system that eliminates resistive forces through the use of an alternative complex of electrical disconnectors, featuring noncontact data transfer and allowing for reduced power losses and fewer elements that produce relative speed for the stage separation system, resulting in a signifi cantly lighter overall mass of the system. The article analyzes resistive forces induced by the detachment of sealants. It presents a procedure for the autonomous development testing of joint sealants, which identifi es the relation between their detachment force and layer thickness. A technique for sealant application to the attachment surface has been developed. The test results enabled determining the required thickness of attachment sealants and the optimum application technique. Therefore, the change in the sealant application technique resulted in a 2.3 times lower maximum resistive force during stage separation, which meets the maximum and design values. The results of experiments provide meaningful data for the engineers of stage and booster separation systems for spacecraft and launch vehicles. Furthermore, they confi rm the feasibility of using alternative electrical disconnectors for stage separation.

Key words: pneumatic pusher, non-contact electric connector, resistive force, stage separation system, minimum mass of the stage separation system, emergencies, transient dynamics, launch vehicle, materials properties, strength

Bibliography:

1. Hamand M. Yehia, Rigid body dynamics: A Lagrangian Approach. Boston, Birkhauser. 2022. 485 p.
2. Ahmed A. Shabana, Dinamic of Multibody Systems. Cambridge, Cambridge University Press. 2020. 420 p.
3. Beiko I. V., Bublyk B. M., Zinko P. M. Metody i alhorytmy rozviazannia zadach optymizatsii. Kyiv: Vyshcha shkola. 1983. 512 s.
4. Udovychenko D. O. Optymizatsiia parametriv pnevmatychnoi systemy rozdilennia stupeniv rakety-nosiia kosmichnoho pryznachennia. Visnyk DNU. 2025. 34 (3). S. 9-17.
5. Linnyk A. K. Konstruiuvannia korpusiv ridynnykh balistychnykh raket. Dnipro, Vyd-vo DDU. 1994. 220 s.
6. Joaquim A. Battle, Anna Barjam Condomines, Rigid body dynamics, Cambridge, Cambridge University Press. 2022. 596 p.

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4.2.2025 Thermal decomposition of hydrogen peroxide in the combustion zone of a gas generator. Simulation of the process

manager — Tue, 27 Jan 2026 08:21:22 +0000

4. Thermal decomposition of hydrogen peroxide in the combustion zone of a gas generator. Simulation of the process

Date of receipt of the article for publication: 29.09.2025

Date of acceptance of the article for publication after review: 13.10.2025

Date of publication: 27.01.2026

ISSN: 2617-5525

e-ISSN: 2617-5533

Автори: Nykytenko K. O., Shulik A. V. , Zalevskyi S. V.

Organization: Yangel Yuzhnoye State Design Office

Page: Kosm. teh. Raket. vooruž. 2025 (2); 35-45

DOI: https://doi.org/10.33136/stma2025.02.035

Language: Ukrainian

Annotation: Two models have been developed to investigate the thermal decomposition of concentrated hydrogen peroxide: in a fl ow of high-temperature decomposition products (1) and for an analysis of properties of decomposed products after a catalyst bed (2). The fi rst model assumes steady, adiabatic fl ow and accounts for mass balance conditions, drop evaporation, decomposition in the gas phase, and conservation laws for a volume under analysis. The model considers various CHP concentration levels for both primary and secondary fl ows, mass fl ow rates for both fl ows, and initial temperatures of liquid CHP fed to diff erent zones of the preburner. The second model is suitable for analyzing the properties of decomposition products after a catalyst, where the complete decomposition of concentrated hydrogen peroxide occurs. The parameters of steam gas are determined by energy balance in a CHP decomposition reaction. This model also accounts for the concentration of liquid CHP and its initial temperature. The analysis results for the fi rst model indicate the signifi cant eff ect of droplet size and the rate of the secondary injectant fl ow on the decomposition process. In general, the results demonstrate a limitation for the amount of the secondary fl ow (the mass of the secondary fl ow should not exceed ~30–40 % of the total mass in the preburner volume under analysis, as the process of liquid hydrogen peroxide evaporation consumes heat from the primary fl ow, and its temperature drops at the beginning of the mixing zone). The results also reveal that the optimal droplet size of injectant fl ow exists, caused by the admissible time of residence in the preburner’s fl ame zone. The droplet size also impacts the allowable level of local temperature drop at the CHP injection area: the smaller the drop size, the more intense the evaporation, and the more heat is consumed from the high-temperature gas. A simplifi ed analysis of properties of CHP decomposition products is off ered, assuming the mass fl ow rate of the secondary fl ow is less than ~25 % of the total amount.

Key words: hydrogen peroxide, thermo-catalytic preburner, steam gas, thermal decomposition products

Bibliography:

1. Shyshkov A. A., Rumiantsev B. V. Heneratory raketnykh system. M.: Mashynostroenye. 1952. 152 s.
2. Berezanskaia E. L., Kurpatenkov V. D., Shutov N. V. Hazoheneratory zhydkostnykh raketnykh dvyhatelei. M.: Yzd-vo MAY. 1982. 56 s.
3. Bolharskyi A. V., Shchukyn V. K. Rabochye protsessy v zhydkostno-reaktyvnykh dvyhateliakh. M.: Hos. yzd-vo oboronnoi promyshlennosty. 1953. 424 s.
4. Odnokomponentnye topliva dlya GRD. Spravochnik. Tom 5. GIPH.1961. 83 s.
5. Thermochemical analysis of hydrogen peroxide with applications to rocket design. A project report presented to the Department of Aerospace Engineering. San Jose State University. R.A. Robles, 2002.
6. Giguere P. A. The Thermal Decomposition of Hydrogen Peroxide Vapour II, Canadian Journal of Research, Chemical Sciences, Vol. 25. No. 2, 1947. P. 135-150. https://doi.org/10.1139/cjr47b-018
7. Stephen R. Turns, An Introduction to Combustion, 2nd Edition, McGraw-Hill, 1996. 704 p.
8. Satterfield C.N. and Stein T.W. Homogeneous Decomposition of Hydrogen Peroxide Vapour. J. of Physical Chemistry. Vol. 61, 1957. P. 537-540. https://doi.org/10.1021/j150551a006
9. Consanttine M.T., Cain E.F. Hydrogen Peroxide Handbook. Chemical and Material Science Department, Research Division, Rocketdyne, a Division of North American Aviation, Inc. Technical Report AFRPL-TR-67-144, July 1967. 488 p.
10. Ehorychev V. S. Raschyot y proektyrovanye smeseobrazovanyia v zhydkostnom raketnom dvyhatele. S.: Yzd-vo Samarskyi hosudarstvennyi aerokosmycheskyi universytet. 2011. 101 s.

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3.2.2025 Electric thrusters utilizing metal plasma

manager — Tue, 27 Jan 2026 08:12:56 +0000

3. Electric thrusters utilizing metal plasma

Date of receipt of the article for publication: 24.10.2025

Date of acceptance of the article for publication after review: 07.11.2025

Date of publication: 27.01.2026

ISSN: 2617-5525

e-ISSN: 2617-5533

Authors:

Spirin Ye. V., Nadtoka V. M.

ORCID authors:

Spirin Ye. V. ORCID, Nadtoka V. M. ORCID

Organization:

Yangel Yuzhnoye State Design Office

Page: Kosm. teh. Raket. vooruž. 2025 (2); 24-34

DOI: https://doi.org/10.33136/stma2025.02.024

Language: Ukrainian

Annotation: The article provides an overview of modern research on the problem of creating electric jet engines based on metal plasma. Electric jet engines have long attracted the attention of specialists working in the fi eld of creating space technology. One type of electric rocket engines is electric engines that use a metal plasma fl ow. A metal plasma rocket engine (Vacuum Arc Thruster, VAT) is a new class of electric propulsion systems in which metal converted into a plasma state using an electric discharge and an accelerated metal plasma fl ow creates jet thrust. A metal plasma engine does not require gas or liquid fuel, neutralizers, heaters, highvoltage electronics, or strong electric or magnetic fi elds to operate. Metal plasma engines use metal to create a plasma fl ow, so their design is very compact. Since the cathode material is in the solid phase, there can be no fuel loss due to leakage. No gases are required, so such engines do not threaten the spacecraft with a possible explosion of the pressurized container. In addition, there are no valves and fl ow sensors (components that increase the complexity and cost of the system). The purpose of this work is to analyze the level of development of vacuum-arc jet engines on metal plasma based on the generalization and systematization of publications. Particular attention paid to the analysis of works that consider metal plasma engines with a thrust level of the order of millinewtons. Based on the analysis, conclusions drawn regarding the relevance of the development of vacuum-arc jet engines. In March 2024, a satellite successfully launched in the USA, in which the Xantus X4 vacuum-arc jet engine developed by Alameda Applied Sciences Co. and Benchmark Space Systems was installed. Currently, leading companies in the space industry continue to improve the technology of metal plasma rocket engines with an emphasis on reliability, increased thrust and service life. The article intended for specialists in the fi eld of rocket engine engineering.

Key words: electric thruster, vacuumarc discharge, metal plasma

Bibliography:

1. Ethan Dale, Benjamin Jorns and Alec Gallimore. Future Directions for Electric Propulsion Research. Aerospace. 2020, 7, 120.
https://doi:10.3390/aerospace7090120.
2. Lev D., Myers R. M., Lemmer K. M., Kolbeck J., Koizumi H., Polzin K. The technological and commercial expansion of electric propulsion. Acta Astronautica. 2019. Vol.159. P. 213-227. https://doi.org/10.1016/j.actaastro.2019.03.058
3. O’Reilly D., Herdrich G., Kavanagh D.F. Electric Propulsion Methods for Small Satellites: A Review. Aerospace 2021. Vol. 8. Issue 1. 22.
https://doi.org/10.3390/aerospace8010022
4. Kolbeck J., Anders A., Beilis I.I., Keidar M. Micro-propulsion based on vacuum arcs. Journal of Appied Physics. 2019. Vol.125 Issue 22.
https://doi.org/10.1063/1.5081096.
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2.2.2025 Performance analysis and validation of a monopropellant air-detonation ramjet engine

manager — Tue, 27 Jan 2026 08:06:29 +0000

2. Performance analysis and validation of a monopropellant air-detonation ramjet engine

Date of receipt of the article for publication: 15.10.2025

Date of acceptance of the article for publication after review: 29.10.2025

Date of publication: 27.01.2026

ISSN: 2617-5525

e-ISSN: 2617-5533

Authors:

Stoliarchuk V. V., Tertyshnyk S. V.

ORCID authors:

Stoliarchuk V. V. ORCID, Tertyshnyk S. V. ORCID

Organization:

Page: Kosm. teh. Raket. vooruž. 2025 (2); 12-23

DOI: https://doi.org/10.33136/stma2025.02.012

Language: English

Annotation: The increasing relevance of alternative propulsion systems necessitates an exploration of the potential of monopropellant detonation engines for compact and effi cient aerospace applications. This study aimed to investigate the operating parameters and performance characteristics of a direct-fl ow air-detonation propulsion system operating on environmentally friendly monopropellants. The research was based on a combination of experimental methods and numerical simulation using validated thermochemical models. It presents the results of a series of tests conducted with modifi ed engine geometries under varying inlet temperature and pressure conditions, focusing on achieving a stable detonation wave and analysing its propagation features. A detailed comparison between experimental pressure data and numerical predictions showed a deviation of less than 6.5 %, validating the reliability of the simulation model for practical applications. The infl uence of diff erent combustion chamber lengths and injector confi gurations was also assessed, revealing that geometric optimization plays a crucial role in maintaining detonation stability across diff erent temperature regimes. The study identifi ed critical fl ow parameters for successful ignition and detonation maintenance without external oxidizers, and highlighted the performance of two promising monopropellant compositions, including a modifi ed pronit-based propellant. The fi ndings contribute to optimizing heat release dynamics and pressure gain within the detonation chamber, off ering valuable insights into designing lightweight, energy-effi cient engines for future aerospace systems. The practical value of this research lies in the potential of applying its results in the design of advanced aerospace propulsion systems that feature compact size and environmental friendliness.

Key words: detonation combustion, wave stability, experimental simulation, thermal dynamics, geometric optimisation

Bibliography:

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https://doi.org/10.1007/s12567-025-00605-y

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