Two different complex problems arising during spacecraft design are discussed in this paper. One problem is a definition of impulse for a safety separation of a parachute container lid. Another problem is defining a shock-wave interaction on the spacecraft at turning on emergency rescue system. Both problem are very hard and expensive for solving by experimental methods, and RSC Energia gets here all benefits of numerical simulation by using CFD code FlowVision.

Numerical Solving Problems of Spa

At present time RSC Energia is carrying out research work on designing the reentry manned spacecraft of new generation to crew deliver, in-flight support and return. The spacecraft ought to take the place of Soyuz. Manned spacecraft Clipper having the reentry vehicle (RV) of lifting body type is a possible alternate solution (Fig. 1). In comparison with Soyuz suggested RV provides higher maneuverability and less overloading during descent phase.

Aerodynamic of Reentry Spacecraft Clipper

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