缓慢冷却流动中的涡量产生
Vorticity Generation in Slow Cooling Flows
摘要：
我们表明，任何一般的非绝热的理想可压缩流体的缓慢流动发展一个显着的涡。作为一个例子，考虑了初始无旋传导冷却流。涡量产生的扰动理论的开发，采用，作为零阶的解决方案，一种新的二维相似性解决方案。全气体动力学模拟的CF证明涡的产生和支持的理论。与“热通道”的实验这个问题的相关性进行了讨论。
英文摘要：
We show that any generic non-adiabatic slow flow of ideal compressible fluid develops a significant vorticity. As an example, an initially irrotational conductive cooling flow is considered. A perturbation theory for the vorticity generation is developed that employs, as a zero order solution, a novel two-dimensional similarity solution. Full gasdynamic simulations of this CF demonstrate the vorticity generation and support the theory. The relevance of this problem to the experiments with the "hot channels" is discussed.
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