A simulation technique for radiating shock tube flows

被引：1

作者：

Gollan, R. J. ^{[1
]}

Jacobs, C. M. ^{[1
]}

Jacobs, P. A. ^{[1
]}

Morgan, R. G. ^{[1
]}

McIntyre, T. J. ^{[1
]}

Macrossan, M. N. ^{[1
]}

Buttsworth, D. R. ^{[2
]}

Eichmann, T. N. ^{[1
]}

Potter, D. F. ^{[1
]}

机构：

[1] Univ Queensland, Ctr Hyperson, Brisbane, Qld 4072, Australia

[2] Univ Southern Queensland, Fac Engn & Survey, Queensland, Australia

来源：

SHOCK WAVES, VOL 1, PROCEEDINGS | 2009年

关键词：

D O I：

10.1007/978-3-540-85168-4_74

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We describe a numerical modelling technique used to simulate the gas flow in the complete X2 facility in non-reflected shock tube mode. The technique uses a one-dimensional model to simulate piston dynamics and diaphragm rupture and couples this to an axisymmetric simulation of the shock tube which captures viscous and finite-rate chemistry effects. This technique is used to simulate a nonequilibrium radiation condition relevant to a Titan atmospheric manoeuvre. The condition is a 7 km/s shock propagating into a N-2/CH4 Mixture at 80 Pa. The results show that the shock remains relatively planar at the exit of the shock tube such that there should be little difficulty for the optics. In terms of modelling, the finite-rate chemistry gas performs better than the equilibrium gas for these flows with regards to flow property estimates.

引用

页码：465 / +

页数：2

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