3Wieghardt,K.Erhoehung des Turbulenten Reibngswider- standes durch Oberfla chenstoerungen [J]. Schiffstechnik, Forschungshefte fuer Schiffbau und Schiffsmaschinenbau, Hamburg,West Germany, 1953,2 : 65 - 81.
4Roshko A .some Measurements of Flow in a Rectangular Culout [S].Technical Note 3488,National Advisory Committee for Aeronautics, 1955.
5Mills R. D.On the Closed Motion of a Fluid in a Square Cavity[J].Journal of the Royal Aeronautical Society, 1965,69: 116-120.
6Tani L ,Luhi M and Domoda H .Experimental investigation of Flow Separation Associated with a step or Groove [R]. Tkyo.Japan: Aeronautical Research institute University of Tokyo, 1961.
7Haugen R.L., ,and Dhanak A.M .Momentum Transfer in Turbulent Separated Flow Past a Rectangular Cavity [J]. American Society of Mechanical Engineers,Journal of Applied Mechanics, 1966,33(3):641-646.
8Mogregor O.W .Aerodynamic Drag of Two-Dimensional Rectangular Notches in Transonic and Supersonic Flow [D]. Urbana,III: University of Illinois, 1969.
9Charwat A.F., Dewey C.F., Roose J.N.,and Hitz J.A..An Investigation of Separated Flows [J],Journal of Aerospace science, 1961,28(6):457-470.
10Golik R.J .thesis in partial fulfillment of the requirements for the degree of Doctor of Philosophy[D]. Urbana,Ilh University of Illinois,1962.