激波和边界层相互作用区域局部烧蚀的理论计算方法

A THEORETICAL CALCULATION METHOD OF LOCAL ABLATION IN REGION OF SHOCK-BOUNDARY LAYER INTERACTION

激波和边界层相互作用区域的局部烧蚀计算是极为复杂的非定常湍流分离流动条件下的烧蚀分析问题。本文将这一复杂的物理化学和气体动力学过程简化为二维前向台阶分离区的准定常烧蚀问题来处理。将偏微分的控制方程组简化为超越代数方程组。提供了一个有一定精度的理论分析方法、理论计算结果与实验数据相当吻合。

The calculation of local ablation in region of shock-boundary layer interaction is a more complex problem of unsteady-state ablation for the separation of turblent boundary layer.The problem of complicated physico-chemical and aerodynamic process is simplified to one of two-dimensional forward-facing step of quasi-steady state ablation problem of the separation region.The partial differential equations series of control are simplified to the superable-algebraic equations series.A theoretial calculation method proposed with certain precision is provided in this paper.Theoretical results are fairly agrement with the experiments.