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Аэродинамические характеристики возвращаемого аппарата…

11

The aerodynamics of the reentry vehicle with a functioning

retropack at transonic and supersonic flow

©

A.Yu

. Lutsenko, D.K. Nazarova

Bauman Moscow State Technical University, Moscow, 105005, Russia

Retropack application is a way of braking of reentry vehicle. Regardless of the ret-

ropack configuration when jets interact with incoming flow, complex three dimensional

pattern of the flow takes place. Рressure distribution over the vehicles surface and its

aerodynamic characteristics change. So it is necessary to make more detail investigations

of this moment. The experimental studies results of the flow around the reentry vehicle

model with a functioning retropack at transonic and supersonic flow velocities are pre-

sented . The analysis of the physical flow patterns, streams flow regimes and their influ-

ence on the vehicles aerodynamic characteristics was carried out, the change of the base

pressure was analysed. Also, the results of numerical simulation using different schemes

comparing with the experimental results are introduced.

Keywords:

reentry vehicle, aerodynamic characteristics, transonic and supersonic flow,

retropack, jets injection, base pressure.

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1379.

Lutsenko A. Yu.,

Cand. Sci. (Eng.), associate professor of “Dynamics and flight control

of rockets and spacecrafts” Department at Bauman Moscow State Technical University.

Author of more than 60 publications in the field of aerodynamics of jet and separated

flows, flight control devices designing. e-mail:

aulutsenko@mail.ru

Nazarova D.K.

, post-graduate student of “Dynamics and flight control of rockets and

spacecrafts” Department at Bauman Moscow State Technical University. Research inter-

ests: flight control devices designing. e-mail:

dknazarova@mail.ru