schlieren method

schlieren method
Physical Chem.
a method for detecting regions of differing densities in a clear fluid by photographing a beam of light passed obliquely through it.
[1930-35]

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Universalium. 2010.

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  • Schlieren photography — is a visual process that is used to photograph the flow of fluids of varying density. Invented by the German physicist August Toepler in 1864 to study supersonic motion, it is widely used in aeronautical engineering to photograph the flow of air… …   Wikipedia

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  • Background Oriented Schlieren technique — Background Oriented Schlieren (BOS) is a novel technique for flow visualization of density gradients in fluids using the Gladstone Dale relation between density and refractive index of the fluid.BOS simplifies the visualization process by… …   Wikipedia

  • TOEPLER — GERMANY (see also List of Individuals) 7.9.1836 Brühl Bonn/D 6.3.1912 Dresden/D The scientific investigation of the nature of shock waves started 140 years ago with the advent of the Schlieren Method which was developed around 1860 by August… …   Hydraulicians in Europe 1800-2000

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  • motion-picture technology — Introduction       the means for the production and showing of motion pictures. It includes not only the motion picture camera and projector but also such technologies as those involved in recording sound, in editing both picture and sound, in… …   Universalium

  • Shadowgraph — is an optical method that reveals non uniformities in transparent media like air, water, or glass. It is related to, but simpler than, the schlieren and schlieren photography methods that perform a similar function.In principle, we cannot… …   Wikipedia

  • High speed photography — [ Eadweard Muybridge, first published in 1887.] High Speed Photography is the science of taking pictures of very fast phenomena. In 1948, the Society of Motion Picture and Television Engineers (SMPTE) defined high speed photography as any set of… …   Wikipedia

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