Towards High Reynolds Number Quiet Flow in Hypersonic Tunnels

Abstract

The report summarizes a research program focused on two main issues related to the achievement of high Reynolds number quiet flow in hypersonic tunnels, namely, 1) automated optimal design of quiet hypersonic tunnels, and 2) tunnel startup in the presence of blunt models. In the former case, a fully automated optimal design methodology was developed to determine the optimal shape of the supersonic nozzle to achieve laminar flow on the nozzle walls and hence quiet flow in the test section. In the latter case, detailed time-accurate simulations were performed for a cone model of different angles in the Purdue Quiet Tunnel. Results demonstrated the limiting size of the model that permitted startup of the tunnel.

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Document Details

Document Type
Technical Report
Publication Date
Feb 23, 2009
Accession Number
AD1026525

Entities

People

  • Doyle D. Knight
  • Hadassah Naiman

Organizations

  • Rutgers University Department of Mechanical and Aerospace Engineering

Tags

Communities of Interest

  • Materials and Manufacturing Processes
  • Space
  • Weapons Technologies

DTIC Thesaurus Topics

  • Boundary Layer
  • Boundary Layer Flow
  • Boundary Layer Transition
  • Computational Fluid Dynamics
  • Computations
  • Computer Programs
  • Flow
  • Fluid Dynamics
  • Fluid Flow
  • Laminar Boundary Layer
  • Laminar Flow
  • Mach Number
  • Reynolds Number
  • Simulations
  • Turbulent Mixing
  • Two Dimensional
  • Wind Tunnels

Fields of Study

  • Physics

Readers

  • Computational Fluid Dynamics (CFD)
  • Fluid Mechanics and Fluid Dynamics.

Technology Areas

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