Combined Schlieren and Interferometry Visualization of Blast Waves
نویسندگان
چکیده
منابع مشابه
Background rejection in schlieren visualization
Schlieren visualization is one of the simplest ways of determining the geometric parameters of an ultrasonic beam generated by diagnostic transducers, and is recommended for evaluating the potential and the limitations of ultrasonic equipment used in diagnostic applications.’ Apart from some special cases, for example, dynamically focused and/or scanned receiving arrays, the shape of the transm...
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BACKGROUND For the design and characterization of ultrasonic particle manipulation devices the pressure field in the fluid cavity is of great interest. The schlieren method provides an optical tool for the visualization of such pressure fields. Due to its purely optical nature this experimental method has got some unique advantages compared to methods like particle tracking. RESULTS A vertica...
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A spherical blast wave with relativistic velocity can be described by a similarity solution, that is used for theoretical models of gamma-ray bursts. We consider the linear stability of such a relativistic blast wave propagating into a medium with density gradient. The perturbation can also be expressed by a self-similar form. We show that the shock front is unstable in general, and we evaluate...
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................................................................................................................................................ ii Preface ..................................................................................................................................................iii Table of
متن کاملSchlieren measurements of internal waves in non-Boussinesq fluids
Previous experiments that have examined the generation of internal gravity waves by a monochromatic source have been restricted to small amplitude forcing in Boussinesq stratified fluids. Here we present measurements of internal waves generated by a circular cylinder oscillating at large amplitude in a non-Boussinesq fluid. The ‘synthetic schlieren’ optical measurement technique (Sutherland et ...
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ژورنال
عنوان ژورنال: Physics of Fluids
سال: 2001
ISSN: 1070-6631,1089-7666
DOI: 10.1063/1.4739178