Unsteady Transonic Flow in a Two-Dimensional Diffuser.

Abstract

Nominally two-dimensional flows in two convergent-divergent diffuser models were investigated experimentally. The flows contained a normal shock downstream of the throat with pre-shock Mach numbers ranging to 1.4. Self-sustaining fluctuations occurred invariably and were closely investigated. Steady and fluctuating wall and midstream pressures were measured; high-speed schlieren photography was extensively employed. Shock displacement histories were measured with a line-scan camera technique. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Mar 31, 1982
Accession Number
ADA118473

Entities

People

  • Joseph C. Kroutil
  • Miklos Sajben
  • Thomas J. Bogar

Tags

Communities of Interest

  • Energy and Power Technologies
  • Sensors

DTIC Thesaurus Topics

  • Acoustic Waves
  • Air Force
  • Boundary Layer
  • Flow
  • Flow Visualization
  • Fluid Mechanics
  • Frequency
  • Layers
  • Mach Number
  • Pressure Distribution
  • Resonant Frequency
  • Scientific Research
  • Static Pressure
  • Thickness
  • Transonic Flow
  • Two Dimensional
  • Waves

Fields of Study

  • Physics

Readers

  • Combustion Dynamics and Shock Wave Physics.
  • Combustion and Flow Dynamics.
  • Fluid Mechanics and Fluid Dynamics.