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Treball de fi de grauData de publicació
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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/59955
Set up of a Schlieren Flow Visualization Device
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For many people seeing means understanding because it is the most direct way of
verifying. Thus, seeing phenomena into transparent media represents a challenge which needs to be
solved. The schlieren technique is a method that allows to see changes in the refractive index of
transparent materials when a density gradient is established. In this paper a schlieren visualization
device will be put together and characterized. Di erent arrangements were assembled in order to
discuss which is the optimum setup. Several aspects as type of light source, focal length or knife-
edge cuto are taken into account. Ultimately, the device was tested in extreme conditions when it
was used to visualize a sound wave produced by an electric spark. This allowed us to determine its
speed and, therefore, corroborate that the visualized perturbation indeed corresponds to a sound
wave.
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Treballs Finals de Grau de Física, Facultat de Física, Universitat de Barcelona, Any: 2014, Tutor: Pere Serra Coromina
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SOPEÑA I MARTÍNEZ, Pol. Set up of a Schlieren Flow Visualization Device. [consulta: 22 de gener de 2026]. [Disponible a: https://hdl.handle.net/2445/59955]