The application of the refractive fringe diagnostic to shocks in air

A review of the refractive fringe diagnostic is presented. A modified de Laval nozzle is used to produce shocks in air, which are transversely probed using a low power HeNe laser. The refractive fringes recorded on film at different imaging distances are analysed using a video digitization technique...

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Bibliographic Details
Published inOptics and laser technology Vol. 19; no. 4; pp. 203 - 208
Main Authors Waltham, J.A., Cunningham, P.F., Michaelis, M.M., Campbell, R.N., Notcutt, M.
Format Journal Article
LanguageEnglish
Published Oxford Elsevier Ltd 01.08.1987
Elsevier Science
Subjects
Exact sciences and technology
flow visualization
Fluid dynamics
fringes
Fundamental areas of phenomenology (including applications)
Instrumentation for fluid dynamics
Physics
shock waves
flow visualization
fringes
shock waves
Visualization
Laval nozzle
Measurement method
Refraction
Shock wave
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Summary:A review of the refractive fringe diagnostic is presented. A modified de Laval nozzle is used to produce shocks in air, which are transversely probed using a low power HeNe laser. The refractive fringes recorded on film at different imaging distances are analysed using a video digitization technique. Both strong and weak density profiles are deduced.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0030-3992
1879-2545
DOI:10.1016/0030-3992(87)90067-3