Calculation of Boundary Layers and Separation on a Spheroid at Incidence,

Abstract

Three-dimensional boundary layers on a 6:1 spheroid at an incidence of 10 degrees have been calculated at two Reynolds numbers and comparisons have been made with the corresponding data of Meier et al. The results clearly demonstrate the capabilities and limitations of first-order boundary-layer theory. At the lower Reynolds number, the laminar boundary-layer calculations are in good agreement with the data on the the windward side of the body and separation is predicted in the region where the experiments indicated near zero wall shear stress just before transition to turbulent flow. The solutions have been interpreted in the light of previous proposals concerning the topology of three-dimensional flow separation. Although the results support several alternative possibilities, it is concluded that boundary-layer calculations, by themselves, are insufficient to identify a clear choice.

Document Details

Document Type
Technical Report
Publication Date
Jan 01, 1982
Accession Number
ADP001958

Entities

People

  • Jonghyuk Baek
  • Virendra C. Patel

Organizations

  • University of Iowa

Tags

DTIC Thesaurus Topics

  • Boundaries
  • Boundary Layer
  • Flow
  • Flow Separation
  • Laminar Boundary Layer
  • Layers
  • Reynolds Number
  • Shear Stresses
  • Three Dimensional
  • Three Dimensional Flow
  • Turbulent Flow

Fields of Study

  • Physics

Readers

  • Fluid Mechanics and Fluid Dynamics.
  • Systems Analysis and Design