- schlieren photography
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Any of several techniques used to record regions of different refractive index in a fluid; especially used to visualize the flow of air around objects
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schlieren photography
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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
schlieren photography — noun The technique of photographing a flow of air or other gas, the variations in refractive index according to density being made apparent under a special type of illumination, often used in the testing of models in wind tunnels • • • Main Entry … Useful english dictionary
schlieren photography — /ʃlɪərən fəˈtɒgrəfi/ (say shlearruhn fuh togruhfee) noun a method of photographing flow patterns in a turbulent, transparent fluid which depends on differences in density and refractive index within the fluid. –schlieren photograph, noun …
Schlieren — (from German; singular schliere ) are optical inhomogeneities in transparent material not visible to the human eye. Schlieren physics developed out of the need to produce high quality lenses void of these inhomogeneities. These inhomogeneities… … Wikipedia
Photography — is the art, science and practice of creating durable images by recording light or other electromagnetic radiation, either electronically by means of an image sensor or chemically by means of a light sensitive material such as photographic… … Wikipedia
Fotografía Schlieren — Saltar a navegación, búsqueda Para consultar otros usos del término schlieren, véase Schlieren (desambiguación). Fotografía schlieren en color, que muestra las diferencias de densidades del aire caliente sobre la punta de un soldador caliente … Wikipedia Español
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
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
Eastman Jacobs — Eastman N. Jacobs (1902 ndash;1987) was a leading aerodynamicist who worked for NACA s Langley Research Center from the 1920s to the 1940s. He was responsible for advancing many fields in aerodynamics, dealing particularly with wind tunnels,… … Wikipedia
Mach wave — In fluid dynamics, a Mach wave is a pressure wave traveling with the speed of sound caused by a slight change of pressure added to a compressible flow. These weak waves can combine in supersonic flow to become a shock wave if sufficient Mach… … Wikipedia
