不同空化判定标准对空化流动计算的影响

o investigate the application of the total stress criterion, the dimensional analysis was used to indicate the impact of viscous stress in cavitation flow computations.And the cavitation flow around the Clark-y foil was numerically simulated with total stress criterion and pressure criterion respectively. It is shown that Reynolds number has a significant impact on the selection of cavitation criterions.In the calculation of cavitation flow with a large Reynolds number, there is a unobvious difference between the results using pressure criterion and total stress criterion.