Numerical thermal simulation of fluid and multi-solid interaction in hypersonic flows

摘要：

The coupling thermal interaction between fluid and multi-solid in hypersonic flows is simulated numerically. The unsteady fully N-S equations are solved for the flow field and the 3D unsteady heat conduction equation is solved for every solid subdomain. Dirichlet temperature conditions are imposed on one side and Neumann heat-flux conditions are imposed on the other side in every two adjacent subdomains. The transformation of head of space shuttles temperature is detailedly analyzed for different thickness of adiabatic layer during pneumatic heat. The results show that the increase of wall temperature strongly affects heat flux, the surface temperature reduces with the increasing of thickness of adiabatic layer. Therefore, solid-fluid coupled iteration is very necessary in the simulation because the influence of the increase of wall temperature can be considered, and the method provides a way to choice the thickness of adiabatic layer.

关键词： fully coupling hypersonic pneumatic heat muti-solid thickness of adiabatic layer

作者: LI Peng-fei

作者单位: China Academy of Aerospace Aerodynamics, Beijing 100074

会议类型: 国际会议

会议名称: The 8th Sino-Russia High-speed Flow Conference(第八届中俄高超声速流体力学研讨会)

会议地点: 上海

会议语种:英文

页码: 161-167

在线出版日期: 2011-11-21（万方平台首次上网日期，不代表论文的发表时间）