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JOURNAL OF SPACECRAFT AND ROCKETS Vol. 39, No. 2, MarchApril 2002
 

Summary: JOURNAL OF SPACECRAFT AND ROCKETS
Vol. 39, No. 2, March­April 2002
Modeling of the Interaction of a Side Jet
with a Rare ed Atmosphere
S. F. Gimelshein¤
George Washington University, Washington, D.C. 20052
and
A. A. Alexeenko
and D. A. Levin
Pennsylvania State University, University Park, Pennsylvania 16802
The interaction of a jet from a 3000-N-class thruster positioned on the side of a small rocket, with the rare ed
atmosphere at 100 and 80 km, is studied numerically. The direct simulation Monte Carlo method was applied
to model the three-dimensional jet-atmosphere interaction. Chemical reactions between freestream and plume
species were included in the simulations. A two-stage numerical strategy was used, with sequential computations
of an axisymmetric plume core ow and three-dimensional plume-freestream interaction. The impact of altitude,
angle of attack, rocket velocity, and thrust on ow elds and surface mass uxes is examined.
Introduction
SPACE vehiclesoftenuse divertand attitudereactioncontrolsys-
tems (RCS) to perform maneuvers during ight. The forward
and aft RCS engines provide the thrust for attitude (rotational) ma-

  

Source: Alexeenko, Alina - School of Aeronautics and Astronautics, Purdue University

 

Collections: Engineering