微射流改变绕流圆柱气动性能的数值模拟  

Numerical Emulation on a Micro-jet Actuator Modifying the Aerodynamic Performance of a Cylindrical Body

作　　者：高峰[1] 汪亮[2] 任继业[1] 

机构地区：[1]空军工程大学导弹学院,陕西三原713800 [2]西北工业大学航天工程学院,陕西西安710072

出　　处：《空军工程大学学报（自然科学版）》2003年第6期17-19,29,共4页Journal of Air Force Engineering University(Natural Science Edition)

基　　金：西北工业大学博士创新基金资助项目(5211102-0800-6114101)

摘　　要：采用有限体积法求解Faver平均N-S方程,对微射流改变绕流圆柱的气动性能进行数值模拟。计算结果显示了在微射流作用下绕流圆柱的气动性能发生改变,揭示了微射流产生的低压回流区是绕流圆柱气动性能发生改变的根本原因,该结果和文献[1]中实验观察到的现象比较吻合。The Faver-averaged N - S equations and k - ? model are solved by using the finite volume method , and a numerical emulation is done for the micro-jet actuators in modifying the aerodynamic performance of a cylindrical body . The result shows that the aerodynamic performance of a cylindrical body is modified, and 'low pressure recirculation region ' produced is a root cause of the modification. And the calculating results are in agreement with the phenomena observed in the experiments of the documents.

关 键 词：微射流 圆柱绕流 纳维尔-斯托克斯方程 有限体积法 数值模拟 

分 类 号：V211.3[航空宇航科学与技术—航空宇航推进理论与工程]