Научная электронная библиотека ULRICH'S Periodicals Directory

Сибирский государственный университет
науки и технологий имени академика М.Ф. Решетнева

Сибирский аэрокосмический журнал
ISSN 2712-8970 (Print) ISSN 2782-5760 (on-line)

Сведения об образовательной организации

UDK 621.454.2
MODERNIZATION OF FUEL SUBMISSION SYSTEMS OF LIQUID ROCKET ENGINES OF UPPER STAGES ON THE BASIS OF INNOVATIVE TECHNICAL DECISIONS
V. Yu. Piunov, V. P. Nazarov, R. I. Konstantinov, V. I. Morozov, A. V. Gainutdinov
Design bureau of Chemical mechanical engineering of a name of A. M. Isaeva – branch FGUP GKNPTS named after M. V. Hrunichev; 12, Bogomolova Str., Korolev, Moscow region, 141070, Russian Federation; Reshetnev Siberian State Aerospace University; 31, Krasnoyarsky Rabochy Av., Krasnoyarsk, 660037, Russian Federation
For the delivery of spacecraft into the orbit with sophisticated high-specified accuracy the special self-contained propulsion boosters are used. The composition of propulsion boosters includes Sustainers Liquid rocket engine (LRE), which should have high reliability and a long service life in multiple starts in outer space. The article notes the expediency of improving the design and improvement of energy efficiency of the PB by upgrading the control systems of fuel engines based on innovative technical solutions. A number of design solutions aimed at improving anti-cavitation characteristics and efficiency screw centrifugal pump turbo pump assembly (TPA) engines are considered. A new design of the entrance to the pump, in which extra booster screw accommodates, which provides the increase of fluid pressure before the main auger pump has been worked out. The perspective hydraulic circuit of movement of the leaks in a closed circuit using the screw pump to the shaft of the turbine is given. To improve the efficiency of screw pump system confusors and diffusers are used, in which the energy obtained by the liquid during operation of the impeller is realized. Theoretical calculation of pressure drop of fluid held by the impeller .It is shown that these innovative technical proposals can reduce the mass-dimensional parameters of the pumps. The scheme of the device for command pressure of the automatic control and adjustment of the engine, which is stable and independent of the pressure with possible fluctuations in flow components in the pressure lines, is given. In general terms it has been justified how to configure a hydraulic system of this device enabling to adjust the pressure command value with high precision. Modernization of the fuel supply on the basis of innovative technical solutions KB Khimmash provides the basis for the development of advanced propulsion boosters.
Keywords: propulsion boosters, liquid rocket engine, turbopump assembly.
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Piunov Valeriu Yuriyvich – deputy director, Chemical Engineering Design bureau of Chemical mechanical engineering named after A. M. Isaev – branch FGUP GKNPTS named after M. V. Hrunichev. E-mail: kbhimmash@korolev-net.ru.

Nazarov Vladinir Pavlovich – Cand. Sc., professor, head of Department of Flying vehicles, Reshetnev Siberian State Aerospace University. E-mail: nazarov@sibsau.ru.

Konstantinov Ryury Ivanovich – lead design engineer, winner of the Council of Ministers of the USSR, honored creator of Space Technology, Chemical Engineering Design bureau of Chemical mechanical engineering named after A. M. Isaev – branch FGUP GKNPTS named after M. V. Hrunichev. E-mail: kbhimmash@korolev-net.ru.

Morozov Vladinir Ivanovich – chief specialist, Chemical Engineering Design bureau of Chemical mechanical engineering named after A. M. Isaev – branch FGUP GKNPTS named after M. V. Hrunichev. E-mail: kbhimmash@korolevnet.ru.

Gainutdinov Alexander Vasilevich – constructor engineer, Chemical Engineering Design bureau of Chemical mechanical engineering named after A. M. Isaev – branch FGUP GKNPTS named after M. V. Hrunichev. E-mail: alex.gainutdinov@yandex.ru.