Article

Cover

Title

Gasodynamic processes in the vent of the launch complex with small depth for the space small-lift rockets

Authors

V.P. Zyuzlikov, B.E. Sinilshchikov, V.B. Sinilshchikov, M.V. Rakitskaya

Organization

Baltic State Technical University «VOENMEH» named after D. F. Ustinov
Saint Petersburg, Russian Federation

Abstract

At present the consumer interest to the launch of small and very-small satellites rises. For their insertion the space small-lift rockets are used. It is expedient to create special small launchers for the launch of such rockets. The authors have developed a scheme of such a launcher, a technique and a calculation program for nonstationary jet streams at launch taking into account the work of water supply systems in which the experimental results obtained for physical analogues and full-scale launching of space rockets are taken into consideration. In the process of calculation the parameters of the two-phase gas-droplet flow are determined, the values of force and heat loads on the elements of launcher and the rocket are found. Computationally intensive investigations show that one can create an operating launcher of minimum size with a short distance from the nozzle section to the jet deflector only when using two levels of water supply and nonrecoverable replaceable elements established at the vertex of jet deflector. The calculations performed make it possible to choose a combination of determining (key) parameters (a basic version) of the launcher that provide the decrease of heat and force loads down to accepted values. The paper presents the computational results for this version, the physical processes, including peculiarities of the work of the two levels of water supply system, that occur at launch are analyzed, the data on the heat and force loads are given. The computational results with variation of the determining parameters are also offered. The processes that lead to increasing loads as the determining parameters vary are analyzed; the values of loads are presented.

Keywords

rocket engine, jet, jet deflector, water supply, launching table, flue-gas duct

References

[1] Zyuzlikov V. P., Sinilshchikov B. E., Sinilshchikov V. B., Rakitskaya M. V. Skhemnye resheniya SK malogo zaglubleniya dlya zapuska RKN legkogo klassa [Schematic Circuit Solutions for Launch Complex with Low Penetration for Launching an Light Class Space Rockets]. Sb. trudov nauchno-tekhnicheskoy konferentsii «VII Utkinskiye chteniya». SPb, BGTU, 2015. (In Russian)

[2] Zyuzlikov V. P., Sinilshchikov B. E., Sinilshchikov V. B., Tenetko V. A. Teplovye i erozionnye protsessy v PU dlya zapuska RKN legkogo klassa [Thermal and erosion processes in launchers for the launch of space rockets of light class]. Sb. materialov mezhdunarodnoy konferentsii «VI Utkinskiye chteniya». SPb, BGTU, 2013. (In Russian)

[3] Sinilshchikov B. E., Sinilshchikov V. B. Issledovanie termosilovogo nagruzheniya gazootrazhatelej startovyh kompleksov raket kosmicheskogo naznacheniya pri rabote sistem vodopodachi [Investigation of force and thermal loading of jet deflectors of launch complexes of space rockets during the work of water supply systems]. The Research of the Science City, 2017, vol. 1, no. 2, pp. 61–71. (In Russian)

[4] Zyuzlikov V. P., Sinilshchikov B. E., Sinilshchikov V. B., Rakitskaya M. V. Chislennye issledovniya nestatsionarnykh protsessov pri zapuske raketnogo dvigatelya [Numerical studies of nonstationary processes during the launch of a rocket engine ]. The Research of the Science City, 2017, vol. 1, no. 3, pp. 103–114. (In Russian)

[5] Biryukov G. P., But A. B., Khotulev V. A., Fadeev A. S. Gazodinamika startovykh kompleksov [Gasdynamics starting complexes]. Moscow, Restart Publ., 2012, 364 p. (In Russian)

[6] Раrks Е. К. and Peterson R. Е. Analysis оf а Coande type flow. AJАА J, 1968, vol. 6, no. 1.

For citing this article

Zyuzlikov V.P., Sinilshchikov B.E., Sinilshchikov V.B., Rakitskaya M.V. Gasodynamic processes in the vent of the launch complex with small depth for the space small-lift rockets // The Research of the Science City, 2017, vol. 1, no. 4, pp. 166-174. doi: 10.26732/2225-9449-2017-4-166-174

This Article is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License (CC BY-NC 4.0).