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Electronics and FluidicsFluid Mechanics

Laser-Differential Interferometer Applications in Gas Dynamics

Authors: G. Smeets; A. George; INSTITUT FRANCO-ALLEMAND DE RECHERCHES SAINT-LOUIS (FRANCE)
Abstract:
The laser-differential interferometer described in ISL-T 21/70 and ISL-14/71 underwent further development. It now constitutes a versatile measurement instrument able to be utilized advantageously in the following fields: flow calibration in gas-dynamic facilities, compressible gas dynamics, in particular various types of boundary layers, gas kinetics or chemical kinetics, turbulence investigations, acoustics. The optical arrangements suitable for the respective problems - for the most part already tested - are systematically compiled, and the possibilities of the techniques are demonstrated in a wide variety of examples.

Limitations: APPROVED FOR PUBLIC RELEASE
Pages: 67
Report Date: 16 APR 96
Contract Number: F49620-94-1-0067
Report Number: A954703
Keywords relating to this report:
*GAS DYNAMICS
*LASER BEAMS
*OPTICAL INTERFEROMETERS
CALIBRATION
COMPRESSIBLE FLOW
CONTINUOUS WAVE LASERS
DIODE LASERS
FLOW FIELDS
GERMAN LANGUAGE
HELIUM NEON LASERS
HYPERSONIC FLOW
LAMINAR BOUNDARY LAYER
LASER APPLICATIONS
LASER MIRRORS
LIGHT SCATTERING
MICROPHONES
OPTICAL ANALYSIS
PHOTODIODES
PRISMS_OPTICS_
REACTION KINETICS
REFRACTIVE INDEX
RESOLUTION
SHOCK TUBES
SHOCK WAVES
SIGNAL TO NOISE RATIO
SOUND WAVES
TEMPERATURE GRADIENTS
TRANSLATIONS
TURBULENCE
TURBULENT BOUNDARY LAYER
TURBULENT FLOW
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