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Gradient backlight schlieren: a low sensitivity schlieren for measurement in liquids

Measurement Science and Technology
Abstract The measurement of schlieren phenomena in liquids has historically been challenging due to strong light refraction effects. This paper presents a novel schlieren technique inspired by side-lighting photography. Derived from the shadowgraph method, the new technique utilizes a gradient background light field.
Xiaoyin Peng +4 more
openaire +1 more source

Reference Wedge for Schlieren Diagrams

Nature, 1950
ONE necessity for the quantitative analysis of Schlieren diagrams, as obtained by the Thovert–Philpot–Svensson cylindrical lens method1, or the Longsworth Schlieren scanning method2, is the precise definition of the base-lines. Although it is common practice to photograph a base-line obtained through a by-pass simultaneously with the pattern, details ...
openaire +2 more sources

A review of recent developments in schlieren and shadowgraph techniques

, 2017
G. Settles, M. Hargather
semanticscholar +1 more source

Visualization and analysis of muzzle flow fields using the Background-Oriented Schlieren technique