An Experimental Investigations of the Stability of the Laminar Boundary Layer on a Cone at M=8,

Abstract

The stability of the laminar boundary layer on a 7-degree half angle cone at M infinity = 8 was experimentally investigated using hot-wire anemometry techniques. The principle instability of the hypersonic boundary layer was associated with second mode disturbances. The frequency of the most amplified disturbances was directly related to the boundary layer thickness. Small nosetip bluntness was found to make significant changes, compared to a sharp cone, in the stability characteristics of the boundary layer.

Document Details

Document Type
Technical Report
Publication Date
Aug 01, 1984
Accession Number
ADP004794

Entities

People

  • E. R. Thompson
  • J. C. Donaldson
  • K. F. Stetson
  • L. G. Siler

Organizations

  • Wright Laboratory

Tags

DTIC Thesaurus Topics

  • Air Force
  • Boundaries
  • Boundary Layer
  • Flow Fields
  • Hot Wire
  • Laminar Boundary Layer
  • Layers

Fields of Study

  • Physics

Readers

  • Fluid Mechanics and Fluid Dynamics.

Technology Areas

  • Hypersonics
  • Hypersonics - Hypersonic Boundary Layers