排序方式: 共有4条查询结果,搜索用时 31 毫秒
1
1.
2.
As a plane shock wave with shock mach number Mi propagates down a backward step of height H (fig 1) a part of the shock front turns to be curvilinear It reflects from the horizontal part behind step.This unsteady regular reflection eventually becomes Mach reflection.We present here the results of shock tube experiment (Mi ≤ 2.20) and numerical simulation of this phenomena, say the transition from regular reflection (RR) to Mach reflection (MR).The dependence of the position of transition Lk and critical angle of transition ωCk on strength of the impinging plane shock Mi and height of step H are analysed.Our experimental and numerical results are compared with the theoretical criLerion of transition of Iton & Itaya[15].It should be mentioned that the numerical method of FLIC type with triangular mesh developed in[13] is successful. 相似文献
3.
刘可器;张伯寅;呼和敖德 《力学与实践》1985,7(1):42-45
分层流动是非匀均流动。大家知道,当流体静止时,重的液体总是在下面,轻的液体总是在上面。这就形成了密度随高度增加而减小的非均匀介质。由于在垂直方向液体密度不同,处于稳定状态的非均匀介质,可以用来模拟大气的温度随高度而变化的层结现象以及海洋中 ... 相似文献
4.
1