The flow in the tail region of a body of revolution is a complex one since there the boundary layer often grows to a thickness many times the local radius of the body and there results a strong interaction between the boundary layer and the external potential flow. The influence of making simplifying assumptions concerning the flow in this region in conventional drag-calculation methods is discussed, and assessed by incorporating a method which takes into account the effects of the thick axisymmetric boundary-layer near the tail in an approximate manner. It is shown that this modification leads to a drag-calculation method which gives consistently accurate prediction of the viscous resistance of a wide variety of bodies of revolution. (Author)

  • Corporate Authors:

    University of Iowa, Iowa City

    Iowa Institute of Hydraulic Research, 300 South Riverside Drive
    Iowa City, IA  United States  52242-1585
  • Authors:
    • Nakayama, A
    • Patel, V C
  • Publication Date: 1973-10

Media Info

  • Pagination: 37 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00057761
  • Record Type: Publication
  • Source Agency: National Technical Information Service
  • Report/Paper Numbers: IIHR-151
  • Contract Numbers: N00014-68A-0002
  • Files: TRIS
  • Created Date: Oct 22 1974 12:00AM