Keywords cloud
Lysenko, T. Komatsu pobudue excavator dlya roboty na Misyatsi https://www.autocentre.ua/ua/ news/concept/komatsu-postroit-ekskavator-dlya-raboty-na-lune-1380272.html. Available at: https://doi.org/10.33136/stma2024.01.093 . https://doi.org/10.33136/stma2024.01.093 . June.2024, doi: https://doi.org/10.33136/stma2024.01.093 . Missile armaments Том: 2024 Випуск: 2024, (1) Рік: 2024 Сторінки: 93—101.doi: https://doi.org/10.33136/stma2024.01.093 . Missile armaments Том: 2024 Випуск: 2024, (1) Рік: 2024 Сторінки: 93—101.doi: https://doi.org/10.33136/stma2024.01.093 . Missile armaments Том: 2024 Випуск: 2024, (1) Рік: 2024 Сторінки: 93—101.doi: https://doi.org/10.33136/stma2024.01.093 .
]]>11. Parameters calculation of the lunar regolith transport system
Organization:
National Academy of Sciences of Ukraine, M.S. Poliakov Institute of geotechnical mechanics1; Ukrainian State University of Science and Technologies2; Yangel Yuzhnoye State Design Office, Dnipro, Ukraine3
Page: Kosm. teh. Raket. vooruž. 2024, (1); 93-101
DOI: https://doi.org/10.33136/stma2024.01.093
Language: Ukrainian
Annotation: The objective of this article is to develop a scientifically proven method of calculation of the auger conveyor parameters, such as the conveyor capacity and the corresponding power of the electrical motor, for different densities and porosities of conveyed materials, the geometrical parameters of the auger, and the specificity of the gravitational fields at the place of transportation. Another objective is to investigate potential limitations of the auger parameters when transporting lunar regolith. To reach these objectives, the known relations for calculating the auger conveyor parameters were applied, as well as the fundamental laws of the granular media mechanics, the principal equations of asynchronous motor electrodynamics, and the behavior of granular media when moving it with the auger conveyor, experimentally studied by the domestic authors. It gave the possibility, for the first time for the lunar environment, to suggest a procedure to calculate the auger conveyor parameters, such as the conveyor capacity and the corresponding power of the electric motor, using known geometrical parameters of the mainline and pipeline, the auger conveyor filling ratio and the parameters of the selected electrical motor. It gave the possibilities to study how the filling ratio of the auger conveyor influences its principal performance parameters and determine potential limitations of the geometrical parameters and the filling ratios of auger conveyors according to the parameters and features of the selected electrical motor. The allowable transportation distances, diameters, other geometrical parameters of auger conveyors, and conveyor filling ratios with the selected electrical motor have been determined. It has been proven that the solutions based on using auger conveyors would be most rational for transporting loose lunar regolith over the Moon’s surface because the auger conveyors are compact and adaptable, and they can be placed inside tubes and laid under the day surface, thereby ensuring the continuous transportation process. Furthermore, they are capable of autonomous operation and can use the electricity produced by solar arrays.
Key words: Moon, regolith, auger, electric motor, capacity, power
Bibliography:
1. Pustovgarov A. A., Osinoviy G. G. Kontseptsiya shlyuzovogo modulya misyachnoi bazy. ХХV Mizhnarodna molodizhna naukovo-praktychna conf. «Lyudyna i cosmos». Zbirnyk tez, NTsAOM, Dnipro, 2023. S. 86 – 87.
2. Semenenko P. V. Sposoby transortirovki poleznykh iskopaemykh ot mesta ikh dobychi k mestu pererabotki v lunnykh usloviyukh. P. V. Semenenko, D. G. Groshelev, G. G. Osinoviy, Ye. V. Semenenko, N. V. Osadchaya. XVII conf. molodykh vchenykh «Geotechnichni problemy rozrobky rodovysch». m. Dnipro, 24 zhovtnya 2019 r. S. 7.
3. Berdnik A. I. Mnogorazoviy lunniy lander. A. I. Berdnyk, M. D. Kalyapin, Yu. A. Lysenko, T. K. Bugaenko. Raketno-kosmichny complexy. 2019. T. 25. №5:3-10. ISSN 1561-8889. https://doi.org/10.15407/knit2019.05.003
4. Semenenko Ye. V., Osadchaya N. V. Traditsionnye i netraditsionnye vydy energii, a takzhe kosmicheskie poleznye iskopaemye v okolozemnom prostranstve. Nauch.-parakt. conf. «Sovremennye raschetno-experimentalnye metody opredeleniya characteristic raketno-kosmicheskoy techniki». m. Dnipro, 10 – 12 grudnya 2019 r. S. 62 – 63.
5. Komatsu pobudue excavator dlya roboty na Misyatsi https://www.autocentre.ua/ua/ news/concept/komatsu-postroit-ekskavator-dlya-raboty-na-lune-1380272.html.
6. Help NASA Design a Robot to Dig on the Moon https://www.nasa.gov/directorates/ stmd/help-nasa-design-a-robot-to-dig-on-the-moon/
7. Robert E. Grimm. Geophysical constaints on the lunar Procellarum KREEP Terrane. Vol. 118, Issue 4. April 2013. P. 768-778. https://agupubs-onlinelibrary-wiley-com.translate. goog/doi/10.1029/2012JE004114?_x_tr_sl=en&_x_tr_tl=ru&_x_tr_hl=ru&_x_tr_pto=sc
https://doi.org/10.1029/2012JE004114
8. Chen Li. A novel strategy to extract lunar mare KREEP-rich metal resources using a silicon collector. Kuixian Wei, Yang Li, Wenhui Ma, Yun Lei, Han Yu, Jianzhong Liu. Journal of Rare Earths Vol. 41, Issue 9, September 2023, P. 1429-1436. https://www-sciencedirect-com.translate.goog/science/article/ abs/pii/S1002072122001910?_x_tr_sl=en&_x_tr_tl=ru&_x_tr_hl=ru&_x_tr_pto=sc https://doi. org/10.1016/j.jre.2022.07.002
9. Moon Village Association https://moon-villageassociation.org/about/
10. GLOBAL MOON VILLAGE. https://space-architect.org/portfolio-item/ global-moon-village//
11. Just G. H. Parametric review of existing regolith excavation techniques for lunar In Situ Resource Utilization (ISRU) and recommendations for future excavation experiments. G. H. Just, Smith K., Joy K. H., Roy M. J. https://doi.org/10.1016/j.pss.2019.104746
https://www.sciencedirect.com/science/article/pii/S003206331930162X
12. Anthony J. Analysis of Lunar Regolith Thermal Energy Storage. Anthony J. Colozza Sverdrup Technology, Inc. Lewis Research Center Group Brook Park, Ohio NASA Contractor Report 189073. November 1991. S-9 https://denning.atmos.colostate.edu/readings/ lunar.regolith.heat.transfer.pdf
13. Obgruntuvannya vykorystannya shneka dlya utilizatsii vidkhodiv vuglezbagachennya z mozhlyvistyu pidvyschennya bezpeki energetychnoi systemy pidpriemstv. SLobodyannikova I. L., Podolyak K. K., Tepla T. D. Materialy XХІ Mizhnarod. conf. molodykh vchennykh (26 zhovt. 2023 roku, m. Dnipro). Dnipro: IGTM im. M.S. Polyakova NAN Ukrainy, 2023. S. 50–55.
14. Kulikivskiy V. L., Paliychuk V. K., Borovskiy V. M. Doslidzhennya travmuvannya zerna gvintovym konveerom. Konstryuvannya, vyrobnitstvo ta exspluatatsiya silskogospodarskykh mashin. 2016. Vyp. 46. S. 160 – 165. https://doi.org/10.3233/EPL-46204
14. Lyubin M. V., Tokarchuk O. A., Yaropud V. M. Osoblyvosti roboty krutopokhylennykh gvyntovykh transporterov pri peremischenni zernovoi produktsii. Tekhnika, energetika, transport APK. 216. № 3(95). S. 235 – 240.
15. Gevko R. B., Vitroviy A. O., Pik A. I. Pidvyschennya tekhnichnogo rivnya gnuchkykh gvyntovykh konveeriv. Ternopil: Aston, 2012. 204 s.
16. Bulgakov B. M., Adamchyuk V. V., Nadikto V. T., Trokhanyak O. M. Teoretichne obgruntuvannya parametriv gnuchkogo gvintovogo konveera dlya transportuvannya zernovykh materialiv. Visnyk agrarnoi nauki. 2023. № 4(841). S. 59 – 66.
17. New Views of the moon. Reviews in mineralogy and geochemistry. Eds. Joliff B.L., Wieczorek M.A., Shearer C.K., Neal C.R. Mineralogical Society of America. Reviews in mineralogy and geochemistry. 2006. Vol. 60. 721 p. DOI: 10.2138/rmg.2006.60.
18. Semenenko Ye. V. Nauchnye osnovy technologiy hydromechanizatsii otkrytoy razrabotki titan-cyrkonovykh rossypey. Yevgeniy Vladimirovich Semenenko. Kiev: Nauk. dumka, 2011. 232 s.
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, Lysenko M. B., Lysenko M. Available at: https://doi.org/10.33136/stma2018.01.027 . https://doi.org/10.33136/stma2018.01.027 . B., Lysenko M. September.2018, doi: https://doi.org/10.33136/stma2018.01.027 . B., Lysenko M. Missile armaments Том: 2018 Випуск: 2018 (1) Рік: 2018 Сторінки: 27—30.doi: https://doi.org/10.33136/stma2018.01.027 . B., Lysenko M. Missile armaments Том: 2018 Випуск: 2018 (1) Рік: 2018 Сторінки: 27—30.doi: https://doi.org/10.33136/stma2018.01.027 . B., Lysenko M. Missile armaments Том: 2018 Випуск: 2018 (1) Рік: 2018 Сторінки: 27—30.doi: https://doi.org/10.33136/stma2018.01.027 . B., Lysenko M. Missile armaments Том: 2018 Випуск: 2018 (1) Рік: 2018 Сторінки: 27—30.doi: https://doi.org/10.33136/stma2018.01.027 .
]]>5. Experimental Determination of Lateral Force Caused by SRM Thrust Vector Eccentricity and Skew
Organization:
Yangel Yuzhnoye State Design Office, Dnipro, Ukraine
Page: Kosm. teh. Raket. vooruž. 2018 (1); 27-30
DOI: https://doi.org/10.33136/stma2018.01.027
Language: Ukrainian
Annotation: The paper gives reasons for conducting experimental works to determine lateral force caused by eccentricity and skew of SRM thrust vector, considers the configuration of fixed test stand for respective experimental works with vertical position of motor axis and describes the fixed test stand operation principle.
Key words:
Bibliography:
1. Volkov V. T., Yagodnikov D. A. Investigations and Bench Testing of Solid Rocket Motors. М., 2007. 296 p.
2. Beskrovny I. B., Kirichenko A. S., Balitsky I. P. et al. The Company’s Experience in Designing and Operation of SRM Test Rigs. Space Technology. Missile Armaments: Collected book of scientific-technical articles / Yuzhnoye SDO. Dnepropetrovsk, 2008. Issue 1. P. 119-127.
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, Lysenko M. B., Lysenko M. Available at: https://doi.org/10.33136/stma2019.01.110 . https://doi.org/10.33136/stma2019.01.110 . B., Lysenko M. March.2019, doi: https://doi.org/10.33136/stma2019.01.110 . B., Lysenko M. Missile armaments Том: 2019 Випуск: 2019, (1) Рік: 2019 Сторінки: 110—113.doi: https://doi.org/10.33136/stma2019.01.110 . B., Lysenko M. Missile armaments Том: 2019 Випуск: 2019, (1) Рік: 2019 Сторінки: 110—113.doi: https://doi.org/10.33136/stma2019.01.110 . B., Lysenko M. Missile armaments Том: 2019 Випуск: 2019, (1) Рік: 2019 Сторінки: 110—113.doi: https://doi.org/10.33136/stma2019.01.110 . B., Lysenko M. Missile armaments Том: 2019 Випуск: 2019, (1) Рік: 2019 Сторінки: 110—113.doi: https://doi.org/10.33136/stma2019.01.110 .
]]>16. Oscillation Processes in Rig at the Moment of SRM Transfer to Main Operation Mode
Organization:
Yangel Yuzhnoye State Design Office, Dnipro, Ukraine
Page: Kosm. teh. Raket. vooruž. 2019, (1); 110-113
DOI: https://doi.org/10.33136/stma2019.01.110
Language: Ukrainian
Annotation: This paper describes the configuration of the rig, designed to fasten the solid-propellant rocket engine (hereunder referred to engine) during their testing, with engine thrust measurements by force transducers. It is determined that rig is the important link in the measurement chain, which directly impacts the thrust measurements, values of which will be used for calculation of the most important engine characteristics (for example, total burn). It was observed that when engine starts the basic mode of operation the thrust-measuring system of the rig is impacted by the dynamic loading caused by the engine thrust, which results in the occurrence of the oscillating processes in the rig, therefore it is important to know the behavior of these oscillating processes to estimate their impact on the thrust measurement during the design of the rigs and their thrustmeasuring systems. It is shown that if there is no procedure in the design practice to define the mode of oscillations in the rig it is rational to do it analyzing experimental thrust – time curves when different engines start the basic mode of operation. Number of experimental thrust (displacement of the engine/rig moving part) – time curves are provided for analysis when four different engines with different ballistic characteristic and capabilities start the basic mode of operation. Oscillating processes in the rig distort the physical behavior of the thrust, which requires additional analysis of the data following the tests, but since the oscillations subside rapidly, they will not significantly affect the calculation of the total burn. It is also observed that frequency of oscillations of the moving part of the rig, registered by the motion sensor, coincides with oscillation frequency, registered by the force transducer, moreover stable behavior of the oscillating processes, registered by the force transducer of the same engines, when they started the basic mode of operation, indicate the stable behavior of those engines and stable performance of the rig.
Key words: firing rig tests of the engine, thrust measurement, engine thrust and displacement – time diagrams
Bibliography:
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Keywords cloud
Simulation of SMR Oscillations in Rig that Arise during Firing Bench Test Authors: Lysenko M. Content 2019 (1) Downloads: 53 Abstract views: 1110 Dynamics of article downloads Dynamics of abstract views Downloads geography Country City Downloads USA Boardman; Matawan; Baltimore;; Plano; Ashburn; Columbus; Columbus; Phoenix; Phoenix; Phoenix; Phoenix; Phoenix; Phoenix; Monroe; Ashburn; Seattle; Seattle; Ashburn; Boardman; Ashburn; Seattle; Tappahannock; Ashburn; Portland; San Mateo; San Mateo; Ashburn; Des Moines; Boardman; Boardman; Ashburn; Ashburn; Ashburn 34 Singapore Singapore; Singapore; Singapore; Singapore; Singapore; Singapore 6 Canada Toronto; Toronto; Monreale 3 Netherlands Amsterdam; Amsterdam 2 Belgium Brussels 1 Indonesia Jakarta 1 China Pekin 1 Finland Helsinki 1 Unknown 1 Germany Falkenstein 1 Romania Voluntari 1 Ukraine Dnipro 1 Downloads, views for all articles Articles, downloads, views by all authors Articles for all companies Geography of downloads articles Lysenko M.
]]>15. Simulation of SMR Oscillations in Rig that Arise during Firing Bench Test
Organization:
Yangel Yuzhnoye State Design Office, Dnipro, Ukraine
Page: Kosm. teh. Raket. vooruž. 2019, (1); 102-108
DOI: https://doi.org/10.33136/stma2019.01.103
Language: Ukrainian
Annotation: This paper describes the firing rig test of the solid rocket motor, fastened to the rig in order to measure the thrust level. It is shown that when the motor enters the steady-state mode, the rig with solid rocket motor starts experiencing mechanical oscillations due to the sudden thrust build-up. Motion of the oscillating system is studied under the impact of the linearly or suddenly increasing impulse load. Mechanical oscillations damping is considered on the basis of the viscous friction model. Procedure of the analytical modeling of the damped oscillations is suggested for the complex pattern of the loading variations, based on the fundamental principle of superposition, according to which the motor displacement during the oscillating motion is considered as sum of displacements due to the impact of the impulsive, sudden and linearly increasing loadings. This procedure simulates different time variations of thrust as motor enters the steady-state mode. Oscillating motion with parameters of the oscillating system and thrust change with time option have been simulated as they were realized during the firing rig tests of one of the solid rocket motors. Simulated and experimental (thrust sensor readings) curves of the elastic force were compared, which showed the qualitative and quantitative conformity of the suggested model of oscillations to the actual oscillations of the solid rocket motor, installed in the rig during the firing rig test. Values of the initial thrust, initial impulse and other simulation parameters were updated, adjusting the simulated curve of the elastic force to the experimental one. It was concluded that simulation of the elastic oscillations of the solid rocket motor in the rig using the suggested analytical model will enable more reliable definition of the initial thrust of the motor and its time behavior, impulse loading due to the separation of the plug and used elements that separate with it. Application of the suggested procedure of motor oscillations simulation in the phase of rig design will enable more detailed prediction of the occurring processes as well as the estimation of parameters of the individual elements, units and rig as a whole.
Key words: elastic oscillations, motor starting operation, sudden loading, measurement of thrust, principle of superposition, initial thrust
Bibliography:
1. Beskrovniy I. B., Kirichenko A. S., Balitskiy I. P. i dr. Opyt predpriyatiya po proektirovaniyu i ekspluatatsii stapeley dlya ispytaniy RDTT / Kosmicheskaya technika. Raketnoye vooruzhenie: Sb. nauch.- techn. st. 2008. Vyp. 1. Dnepropetrovsk: GP KB «Yuzhnoye». P. 119–127.
2. Bidermann V. L. Teoria mechanicheskykh kolebaniy: Uchebnik dlya VUZov. M.: Vyssh. shk., 1980. 408 p.
3. Yablonskiy A. A., Noreyko S. S. Kurs teorii kolebaniy. Ucheb. Posobie dlya studentov VUZov. Izd. 3-e, ispr. i dop. M.: Vyssh. shk., 1975. 248 p.
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Keywords cloud
Lysenko L. Available at: https://doi.org/10.33136/stma2019.01.088 . https://doi.org/10.33136/stma2019.01.088 . March.2019, doi: https://doi.org/10.33136/stma2019.01.088 . Missile armaments Том: 2019 Випуск: 2019, (1) Рік: 2019 Сторінки: 87—94.doi: https://doi.org/10.33136/stma2019.01.088 . Missile armaments Том: 2019 Випуск: 2019, (1) Рік: 2019 Сторінки: 87—94.doi: https://doi.org/10.33136/stma2019.01.088 . Missile armaments Том: 2019 Випуск: 2019, (1) Рік: 2019 Сторінки: 87—94.doi: https://doi.org/10.33136/stma2019.01.088 . Missile armaments Том: 2019 Випуск: 2019, (1) Рік: 2019 Сторінки: 87—94.doi: https://doi.org/10.33136/stma2019.01.088 .
]]>13. Prediction of Solid Propellant Burnout Time in Launch Vehicle Propulsion System in Flight
Organization:
Yangel Yuzhnoye State Design Office, Dnipro, Ukraine
Page: Kosm. teh. Raket. vooruž. 2019, (1); 87-94
DOI: https://doi.org/10.33136/stma2019.01.088
Language: Russian
Annotation: This article considers the problem of determination of propulsion system solid fuel burn-out time in the extraatmospheric flight segment taking the apparent acceleration and apparent speed measured by the inertial navigation system. Correlation analysis of the realized and nominal dependencies of the apparent acceleration and apparent speed of the launch vehicle on relative operating time of the propulsion system is suggested to be used to forecast the fuel burn-out time. In order to improve the accuracy of the forecast, and to decrease the amplitude and vibration rate of its results several channels simultaneously are suggested to be used for calculations with subsequent majority voting and digital filtration. As a result of the study, the procedure to forecast the time of solid fuel burn-out in the launch vehicle propulsion system in flight has been developed. Operability of the suggested procedure has been verified using the mathematical simulation of the launch vehicle flight for two operating modes of the propulsion system different from the nominal ones. Based on the statistical processing of the deviations of the predicted time of solid fuel burn-out versus the realized one it was determined that the forecast based on the results of apparent acceleration measurement has the greatest accuracy with the minimal number of operations. Suggested procedure is easily realized as the multistage adaptive algorithm and can be used in the guidance system of the solid-propellant launch vehicle in the extra-atmospheric flight segment for the numerical forecast of the reachable terminal parameters of flight, definition of command vector and development of the relevant thrust vector control commands.
Key words: guidance system, correlation analysis, procedure, mathematical simulation
Bibliography:
1. Osnovy teorii avtomaticheskogo upravleniya raketnymi dvigatelnymi ustanovkami / A. I. Babkin, S. I. Belov, N.B. Rutovskiy i dr. – M.: Mashinostroenie, 1986. – 456 s.
2. Proektirovanie system upravleniya obiektov raketno-kosmicheskoy techniki. T. 1. Proektirovanie system upravlenia raket-nositeley: Uchebnik/Yu. S. Alekseev, Yu. Ye. Balabey, T. A. Baryshnikova i dr.; Pod obshey red. Yu. S. Alekseeva, Yu. M. Zlatkina, V. S. Krivtsova, A. S. Kulika, V. I. Chumachenko. – Kh.: NAU «KhAI», NPP «Khartron-Arkos», 2012. – 578 s.
3. Sikharulidze Yu. G. Ballistika letatelnykh apparatov. – M.: Nauka, 1982. – 352 s.
4. Lysenko L. N. Navedenie I navigatsia ballisticheskykh raket: Ucheb. posobie. – M.: Izd-vo MGTU im. N. E. Baumana, 2007. – 672 s.
5. Systemy upravleniya letatelnymi apparatami (ballisticheskimi raketami I ikh golovnymi chastyami): Uchebnik dlya VUZov/ G. N. Razorenov, E. A. Bakhramov, Yu. F. Titov; Pod red. G. N. Razorenova. – M.: Mashinostroenie, 2003. – 584 s.
6. Siouris G. M. Missile guidance and control systems. – New York: Springer-Verlag New York, Inc., 2004. – 666 p. https://doi.org/10.1115/1.1849174
7. Zarchan P. Tactical and Strategic missile guidance. – American Institute of Aeronautics and Astronautics, Inc., 2012. – 989 p. https://doi.org/10.2514/4.868948
8. Balakrishnan S. N. Advances in missile guidance, control, and estimation / S. N. Balakrishnan, A. Tsourdos, B.A. White. – New York: CRC Press, Taylor & Francis Group. 2013. – 682 p.
9. Shneydor N. A. Missile guidance and pursuit: kinematics, dynamics and control. – Horwood Publishing Chichester, 1998. – 259 p. https://doi.org/10.1533/9781782420590
10. Yanushevsky R. Modern missile guidance. – CRC Press, Taylor & Francis Group, 2008. – 226 p. https://doi.org/10.1201/9781420062281
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Numerical modeling of translational and rotational vibrations of a solid-propellant rocket motor on a test stand during firing tests Authors: Lysenko M. Content 2023 (1) Downloads: 21 Abstract views: 956 Dynamics of article downloads Dynamics of abstract views Downloads geography Country City Downloads USA Ashburn; Ashburn; Columbus; Phoenix; Phoenix; Phoenix; Phoenix; Phoenix; Seattle; Ashburn; Ashburn; San Mateo; Ashburn; Ashburn 14 Singapore Singapore; Singapore 2 Canada Toronto; Toronto 2 China 1 Germany Falkenstein 1 Netherlands Amsterdam 1 Downloads, views for all articles Articles, downloads, views by all authors Articles for all companies Geography of downloads articles Lysenko M. Numerical modeling of translational and rotational vibrations of a solid-propellant rocket motor on a test stand during firing tests Автори: Lysenko M. Numerical modeling of translational and rotational vibrations of a solid-propellant rocket motor on a test stand during firing tests Автори: Lysenko M.
]]>6. Numerical modeling of translational and rotational vibrations of a solid-propellant rocket motor on a test stand during firing tests
Organization:
Yangel Yuzhnoye State Design Office, Dnipro, Ukraine
Page: Kosm. teh. Raket. vooruž. 2023 (1); 56-62
DOI: https://doi.org/10.33136/stma2023.01.056
Language: Ukrainian
Annotation: This article dwells on results of firing bench testing of the solid-propellant rocket engine (SPRE), fastened to the thrust-measuring assembly stand. It is shown that when engine enters the steady-state mode of operation, plane (forward and rotation) vibrations of the SPRE can take place in the assembly stand due to the sudden pattern of thrust generation and displacement of the center of mass of the vibrating system from the engine axis. These vibrations distort measured values of engine thrust and pattern of its change versus time. The purpose of this work is to simulate the oscillating processes of the engine atop the assembly stand to single out in the distorted values of the measured thrust the components related to the processes in the engine and components, which are introduced into the thrust measurement by the oscillating processes in the system “assembly stand – engine”. Model of vibrating system is suggested, which consists of two rigidly connected bodies, containing elastic links, enabling forward and rotary motion and limited by the rigidity of the links. Mathematical model of the vibrating system is developed. Internal forces and moments acting in oscillatory system are defined. Method of numerical simulation of plane vibrations within the limits of the developed model is suggested. Plane vibrating motion and elastic force curve (curve based on force sensor readings) were simulated in thrust-measuring system for different cases of thrust curve and values of vibrating system parameters. Resonance condition was simulated and mutual influence of elastic parametrical link between forward and rotary vibrations was established. Impact of thrust-measuring system rigidity on peak values of force sensor readings was found out. Elastic force vibrations in thrust-measuring system with vibrating system parameters were simulated including variant of thrust change versus time, implemented during firing bench tests of one of the SPRE. It is shown that registered simulation results recreate thrust measurement results in pattern and values obtained by the force sensor during the firing bench tests, and owing to this, it was concluded that oscillating process parameters, assumed in the model, meet the actual ones. It is concluded that simulation provides objective interpretation of the thrust curve, reliable and comprehensive analysis of engine run during firing bench tests, more detailed and exact design of the assembly stand.
Key words: vibrating system, plane vibrations, forward vibrations, rotary vibrations, resonance, thrust measurement
Bibliography:
1. Beskrovniy I. B., Kirichenko A. S., Balitskiy I. P. i dr. Opyt predpriyatia po proektirovaniyu i ekspluatatsii stapeley dlya ispytaniy RDTT. Kosmicheskays technika. Raketnoye vooruzhennie: Sb. nauch.-techn. st. 2008. Vyp. 1. Dnepropetrovsk: GP «KB «Yuzhnoye». S. 119–127.
2. Lysenko M. T., Rogulin V. V., Beskrovniy I. B., Kalnysh R. V. Modelyuvannya kolyvann RDTP u stapeli, scho vynykaut pid chas VSV. Kosmicheskays technika. Raketnoye vooruzhennie: Sb. nauch.-techn. st. 2019. Vyp. 1. Dnepropetrovsk: GP «KB «Yuzhnoye».
3. Beskrovniy I. B., Lysenko M. T., Gergel V. G. Kolyvalnni processy u stapeli v moment vyhodu RDTP na ustalenniy rezhim roboty. Kosmicheskay technika. Raketnoye vooruzhennie: Sb. nauch.-techn. st. 2019. Vyp. 1. Dnepropetrovsk: GP «KB «Yuzhnoye».
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| Country | City | Downloads |
|---|---|---|
| USA | Ashburn; Ashburn; Columbus; Phoenix; Phoenix; Phoenix; Phoenix; Phoenix; Seattle; Ashburn; Ashburn; San Mateo; Ashburn; Ashburn | 14 |
| Singapore | Singapore; Singapore | 2 |
| Canada | Toronto; Toronto | 2 |
| China | 1 | |
| Germany | Falkenstein | 1 |
| Netherlands | Amsterdam | 1 |
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