Accession Number : AD0725136

Title :   Experiments on the Flow About a Yawed Circular Cylinder,

Corporate Author : CATHOLIC UNIV OF AMERICA WASHINGTON D C INST OF OCEAN SCIENCE AND ENGINEERING

Personal Author(s) : Smith,Russell A. ; Kao,Timothy W. ; Moon,Woo Taik

Report Date : DEC 1970

Pagination or Media Count : 65

Abstract : Experiments were performed to evaluate the influence of yaw angle on circular cylinder pressure drag and wake characteristics in the range of free-stream Reynolds numbers 5000 to 20,000. It was found that the transition in the wake from laminar to turbulent motion was significantly promoted as the angle of yaw increased. As a result, wake properties such as base pressure and shear wave or transition frequency do not obey the independence principle which requires that properties be dependent only on the normal component of the freestream conditions. (Author)

Descriptors :   (*MECHANICAL CABLES, *HYDRODYNAMICS), CYLINDRICAL BODIES, YAW, WAKE, LOADS(FORCES), MOORING, BOUNDARY LAYER TRANSITION, BASE PRESSURE, TOWING CABLES

Subject Categories : Machinery and Tools
      Fluid Mechanics

Distribution Statement : APPROVED FOR PUBLIC RELEASE