Schlieren (/ˈʃlɪərən/ SHLEER-ən; German: [ˈʃliːʁn̩] , German for 'streaks') are optical inhomogeneities in transparent media that are not necessarily...

Schlieren photography is a process for photographing fluid flow. Invented by the German physicist August Toepler in 1864 to study supersonic motion, it...

Schlieren imaging is a method to visualize density variations in transparent media. The term "schlieren imaging" is commonly used as a synonym for schlieren...

which was found in Schlieren, and dates back to approximately 100,000 BCE. Schlieren was first mentioned in 828. Until 1415, Schlieren belonged to Habsburg...

Synthetic schlieren is a process that is used to visualize the flow of a fluid of variable refractive index. Named after the schlieren method of visualization...

Laser schlieren deflectometry (LSD) is a method for a high-speed measurement of the gas temperature in microscopic dimensions, in particular for temperature...

the Swiss Car & Elevator Manufacturing Co, Schlieren, Switzerland. The bogies were also known as Schlieren bogies after the location of the Swiss company...

air, water, or glass. It is related to, but simpler than, the schlieren and schlieren photography methods that perform a similar function. Shadowgraph...

Factory Corporation, known colloquially as "Wagi"), which was based at Schlieren in the Canton of Zürich, Switzerland, was a manufacturer of railway rolling...

{1}{M}}\right),} where M is the Mach number. Mach waves can be used in schlieren or shadowgraph observations to determine the local Mach number of the...