Volume 20, Issue 2 (4-2001)
2001, 20(2): 141-152 |
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A. R. Pishehvar and H. Ahmadi Kia. Quasi-Static Numerical Simulation of Missile Staging. Computational Methods in Engineering 2001; 20 (2) :141-152
URL: http://jcme.iut.ac.ir/article-1-233-en.html
URL: http://jcme.iut.ac.ir/article-1-233-en.html
Abstract: (3956 Views)
In this study, the missile staging process by implementing a side-injected jet is simulated numerically. The problem is considered to be axisymmetric and the thin shear layer approximation of Navier-Stokes equations along with an algebraic turbulence model is used in a quasi-static form for the calculations. The free stream corresponds to a very high altitude flight condition with a Mach number of 10 and an injected jet pressure ratio of about 63000. An explicit Godunov-type scheme is used in the calculations, which is second-order in time and space. Computations are performed on the attached and separated geometry for a range of distances between the body and the warhead. The intense interactions between the jet flow and the main free-stream and its overall influences on the warhead aerodynamic loading are finally demonstrated.
Keywords: Missile Staging, Jet Interaction flow, TVD Scheme, Riemann problem
