A Study of Real-Gas Effects on Blunted Cone Flows

Abstract

The report presents the results of a study of the combined effects of nose bluntness and real-gas phenomena on blunted slender body flows, with particular emphasis on the flows past spherically blunted cones. One of the primary objectives of the study has been to assess the effects of not matching all the similitude parameters in hypervelocity test flows about the slender bodies that are under consideration. In the first phase of the study, direct comparisons between the flight and wind-tunnel flow fields are made for a blunted slender cone for several flight cases by using a stream-tube computer program. In this part of the study the pressure distribution on the surface of the cone is assumed to be insensitive to nonequilibrium effects. In the second phase of the study, the influence of real-gas effects on blunted slender body flow fields is studied analytically by using a thin-shock-layer approach.

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 1969
Accession Number
AD0847062

Entities

People

  • C. E. Wittliff
  • T. R. Sundaram

Organizations

  • Calspan

Tags

Communities of Interest

  • Air Platforms
  • Energy and Power Technologies
  • Materials and Manufacturing Processes

DTIC Thesaurus Topics

  • Air Force
  • Boundary Layer
  • Computational Fluid Dynamics
  • Computer Programs
  • Differential Equations
  • Engineering
  • Flow Fields
  • Fluid Dynamics
  • Free Stream
  • Gas Flow
  • Geometric Forms
  • Geometry
  • Inviscid Flow
  • Pressure Distribution
  • Test Facilities
  • Viscous Flow
  • Wind Tunnels

Fields of Study

  • Physics

Readers

  • Fluid Mechanics and Fluid Dynamics.

Technology Areas

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