THE LAMINAR COMPRESSIBLE WAKE BEHIND VERY SLENDER BODIES.

Abstract

Approximate solutions for the compressible laminar wake which are valid within the entire wake region extending from the rear stagnation point of a slender body are presented for two-dimensional and axially symmetric flows. The solutions are obtained from the linearized momentum and energy equations, neglecting streamwise pressure gradient. These equations are reduced to the form of the diffusion equations. The results are applicable to wakes from slender bodies which are very thick when compared to the transverse dimension of the body. In particular, the result for the axially symmetric case is directly applicable to the wake from a long slender circular rod immersed in a low Reynolds number, supersonic stream. The solution is applied to the simplified case of an axially symmetric flow with the prandtl number equal to one and centerline velocity small compared to free stream velocity. (Author)

Document Details

Document Type
Technical Report
Publication Date
Jul 01, 1965
Accession Number
AD0469633

Entities

People

  • R. H. C. Au
  • S. A. Berger

Organizations

  • University of California, Berkeley

Tags

DTIC Thesaurus Topics

  • Axisymmetric Flow
  • Bodies
  • Equations
  • Flow
  • Fluid Dynamics
  • Fluid Flow
  • Free Stream
  • Prandtl Number
  • Pressure Gradients
  • Reynolds Number
  • Slender Bodies
  • Stagnation Point
  • Two Dimensional

Fields of Study

  • Physics

Readers

  • Calculus or Mathematical Analysis
  • Fluid Mechanics and Fluid Dynamics.

Technology Areas

  • Hypersonics
  • Hypersonics - Hypersonic Boundary Layers
  • Hypersonics - Hypersonic Flight