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Schlieren photography as a tool for measurement of temperature in a candle plume
Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för fysik.
2017 (engelsk)Independent thesis Basic level (degree of Bachelor), 10 poäng / 15 hpOppgave
Abstract [en]

The Schlieren technique is widely used for studying transparent media due to its noninvasion and sensitivity to changes in refractive index. In this report, we make use of a Z-type Schlieren imaging system for measurement of gas temperature distribution in a candle plume. The index of refraction gradients were corresponding to the intensity of each pixel of the image. We get the temperature distribution of air surrounding the candle by the relationship between temperature and refractive index. In the experiment, we obtain the temperature distribution of air surrounding the candle, ranging from 1272 K to 287 K with respect to the radial distance of candle plume. Compare with the measured results from thermal couple, the Schlieren technique for measure temperature of medium is much feasible.

sted, utgiver, år, opplag, sider
2017.
HSV kategori
Identifikatorer
URN: urn:nbn:se:umu:diva-141915OAI: oai:DiVA.org:umu-141915DiVA, id: diva2:1157259
Fag / kurs
Fysik C - Examensarbete
Tilgjengelig fra: 2017-11-17 Laget: 2017-11-15 Sist oppdatert: 2017-11-17bibliografisk kontrollert

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