Vorticity Generation in Slow Cooling Flows
流体动力学
2009-10-30 v1 斑图形成与孤子
patt-sol
等离子体物理
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.
引用
@article{arxiv.physics/9702006,
title = {Vorticity Generation in Slow Cooling Flows},
author = {Ami Glasner and Eli Livne and Baruch Meerson},
journal= {arXiv preprint arXiv:physics/9702006},
year = {2009}
}
备注
4 pages, 4 figures, RevTeX, accepted to PRL