4Ren L Q, Han Z W, Tian L M, et al. Characteristics of the Non- smooth Surface Morphology of Living Creatures and Its Application in Agricultural Engineering[ J ]. Design and Nature,2004,6.
6Jinseok K, Sungcho K, Jaeyong S. PIV Measurements of the Wake Behind a Rear Body of a Road Vehicle[ C]. 6th International Sym- posium on Particle Image Veloeimetry, Pasadena, Calitbrnia, Sept21,2005.
7McCutcheon G, McColgan A H, Grant 1. Wake Studies of a Model Passenger Car Using PIV[C. Motospolls Engineenng Conference & Exhibition,Indianapolis,USA, Dee 2,2002.
