Final Technical Report on Air Force Office of Scientific Research Grant AFOSR-90-0124

Abstract

This report summarizes results published with support of this grant on renormalization group methods for large-eddy simulations (LES) of fluid flows, studies of the fundamental dynamics of compressible turbulence, development of methods to study strongly interacting vortices, methods to study intermittent probability distributions in turbulence, and studies of dynamical issues involved in intermittent turbulence. Publications from 31 papers and 2 book chapter are summarized. The results demonstrate the utility of LES techniques, the differences between incompressible and compressible turbulence, and advanced models for small-scale structure that lead a series of surprising results, including a two-fluid model for small-scales in high Reynolds number turbulence.

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Document Details

Document Type
Technical Report
Publication Date
Mar 05, 1993
Accession Number
ADA267182

Entities

People

  • Steven A. Orszag

Organizations

  • Princeton University

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Air Force
  • Boundary Layer
  • Computational Fluid Dynamics
  • Dynamics
  • Euler Equations
  • Fluid Dynamics
  • Fluid Flow
  • Fluid Mechanics
  • Geometry
  • Large Eddy Simulation
  • Mechanics
  • Probability
  • Probability Distributions
  • Reynolds Number
  • Simulations
  • Turbulence
  • Two Dimensional

Fields of Study

  • Physics

Readers

  • Computational Fluid Dynamics (CFD)
  • Technical Research and Report Writing.