Prediction of Chemical Laser Flow

Abstract

Numerical simulations of high-speed mixing flows were carried out using GASP, a computational fluid dynamics (CFD) code. The ultimate goal is to use GASP for prediction and optimization of chemical laser flows. Numerical simulations were used for code validation. Two validation exercises, for which experimental data was available for comparison, include: Simulation of shock-accelerated mixing flow subject to Richtmyer-Meshkov instability, and Jet-in-Crossflow problem for a supersonic jet discharging into a supersonic crossflow. The agreement with experimental data was quite good. Subtle features of the flow not apparent in the measurements were revealed by the simulations. The numerical scheme and turbulence model in GASP were found to be quite good for mixing flows typical of chemical laser nozzles with injection.

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Document Details

Document Type
Technical Report
Publication Date
Apr 14, 2006
Accession Number
ADA448168

Entities

People

  • C. R. Truman
  • Peter Vorobieff

Organizations

  • University of New Mexico

Tags

Communities of Interest

  • Energy and Power Technologies
  • Weapons Technologies

DTIC Thesaurus Topics

  • Boundary Layer
  • Chemical Lasers
  • Chemical Oxygen Iodine Lasers
  • Computational Fluid Dynamics
  • Computational Science
  • Experimental Data
  • Flow
  • Fluid Dynamics
  • Fluid Flow
  • Heat Transfer
  • Hypervelocity Flow
  • Measurement
  • Simulations
  • Three Dimensional
  • Turbulence
  • Turbulent Mixing
  • Two Dimensional

Fields of Study

  • Physics

Readers

  • Aviation Science / Aeronautics.
  • Combustion and Flow Dynamics.

Technology Areas

  • Directed Energy
  • Hypersonics