COMBINED EFFECTS OF VISCOUS INTERACTION AND IDEAL SOURCE FLOW ON PRESSURE AND HEAT-TRANSFER DISTRIBUTIONS OVER HEMISPHERE CYLINDERS AT MACH 18

Abstract

The combined effects of ideal source flow and viscous interaction on the pressure and heat-transfer distributions over hemisphere-cylinders are presented, and a comparison is made with experimental data from two of the AEDC- VKF hotshot tunnels. Ideal gas characteristics solutions for the inviscid flow field over the hemisphere-cylinders were obtained for ideal source flow fields matched to the tunnel geometry. The inviscid and viscous (laminar boundary layer) flow fields were iterated, and the resulting pressure and heat-transfer distributions were compared with the experimental data. Ideal gas analyses made at M = 18 predicted pressure and heat-transfer distributions over a 4-in.-diam model in the 100-in. hotshot Tunnel F, and pressure distributions for a similar model in the 50-in. hotshot Tunnel H were found in reasonably good agreement with the experimental data.

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Document Details

Document Type
Technical Report
Publication Date
Jul 01, 1965
Accession Number
AD0467447

Entities

People

  • Clark H. Lewis
  • R. H. Eaves Jr.

Organizations

  • Arnold Engineering Development Complex

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Abstracts
  • Bodies
  • Boundaries
  • Boundary Layer
  • Contracts
  • Experimental Data
  • Flow
  • Flow Fields
  • Geometric Forms
  • Geometry
  • Heat Transfer
  • Inviscid Flow
  • Laminar Boundary Layer
  • Layers
  • Pressure Distribution
  • Test Facilities
  • Wind Tunnels

Readers

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