College of Hydro-Science and Engineering Taiyuan University of Technology Taiyuan 030024 ChinaDepartment of Transportation Engineering Shanxi Conservancy Technical Institute Yuncheng 044004 China;
College of Hydro-Science and Engineering Taiyuan University of Technology Taiyuan 030024 China;
College of Civil Engineering and Architecture Zhejiang University of Technology Hangzhou 310014 China;
Cavitating flow; Circular multi-orifice plate; PIV technique; High-speed photography; Turbulence characteristics;