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30 search results for "calculation model"
7.1.2018 Prospective Gas Purification Device for LRE Test Bench
The prognostic mathematical models are presented for evaluation of ecological indices of the integrated gas purification equipment. MODELING OF CHEMICAL AND PHASE [...]
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15.2.2017 Oxidizer Feedline Structural Optimization Results
2017 (2); 77-82 Language: Russian Annotation: Two design options of manifold and dividing valve are considered, the loss calculation by analytical and numerical methods has [...]
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8.2.2017 Analysis Method of Nitrogen Tetroxide Tanks Generating Pressurization Systems
2017 (2); 41-48 Language: Russian Annotation: The paper considers the method of calculation of generative pressurization system for a tank with nitrogen tetroxide in which an [...]
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11.1.2017 Environmental Safety of Bench Testing the Advanced Solid-Propellant Rocket Motors
2017 (1); 70-77 Language: Russian Annotation: The mathematical models are presented and the calculations are made of lower atmosphere contamination with solid [...]
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14.1.2017 Design Studies into Dynamic and Structural Characteristics of Two-Stage Direct-Action Solenoid-Operated Hydraulic Valve
The mathematical model of electrohydraulic valve is presented and the computational investigations of dynamic characteristics were performed. Useful Model Patent 95379 [...]
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21.1.2019 Optimization of Geometrical Shape of Isolation Valve Blading Position
Navier – Stokes equations and k-ω SST turbulence model were used. Based on the calculations results the optimal design was selected.
18.1.2019 Designing of Servo Driver of Throttle Mechanisms and Fuel Flow Regulator of ILV Main Motor
2019, (1); 122-131 DOI: https://doi.org/10.33136/stma2019.01.122 Language: Russian Annotation: The basic results of the design calculations and mathematical modelling [...]
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13.2.2019 Study of the stress and strain state of the multilayer bellows
Proposed approach is based on the use of axial symmetry of the structure for transition from 3D calculation model to 2D one. Key words: computer simulation , finite [...]
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8.2.2019 Evaluation of the external acoustic loads, acting on the rocket when it passes the leg with maximum velocity head
Attempts of development of similar calculation models go back to the early efforts, dedicated to the study of the aeroacoustics of the launch vehicle in flight.
5.2.2019 Features of the development testing of the propellants deposition inside the tanks of launch vehicles
The theoretical calculations of hydrodynamic processes are connected with considerable mathematical difficulties caused by complexity of solving hydrodynamic problems of [...]
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