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The conventional schlieren system is credited mostly to German physicist August Toepler, though Jean Bernard Léon Foucault invented the method in 1859 that Toepler improved upon. Toepler's original system [ 2 ] was designed to detect schlieren in glass used to make lenses.
Schlieren was first mentioned in 828. [3] Until 1415, Schlieren belonged to Habsburg. After the conquest of Aargau by the Swiss Confederates it was a component of the county of Baden. In 1803 Schlieren was assigned to the Canton of Zürich. In 1777 the minister Heinrich Keller created here the first "deaf-mute school" in Switzerland.
In many cases, the loanword has assumed a meaning substantially different from its German forebear. English and German both are West Germanic languages, though their relationship has been obscured by the lexical influence of Old Norse and Norman French (as a consequence of the Norman conquest of England in 1066) on English as well as the High ...
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Schlieren photography is a process for photographing fluid flow. 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 around objects.
Schlieren railway station (German: Bahnhof Schlieren) is a railway station in Switzerland, situated in the municipality of Schlieren. The station is located on the Zürich–Baden railway line and is a stop of the Zurich S-Bahn served by lines S11 and S12. [4] [5] [3]
The term "schlieren imaging" is commonly used as a synonym for schlieren photography, though this article particularly treats visualization of the pressure field produced by ultrasonic transducers, generally in water or tissue-mimicking media. The method provides a two-dimensional (2D) projection image of the acoustic beam in real-time ("live ...