Visualization of the flow around a two-dimensional circular cylinder by means of infrared thermography(Part 1 smooth cylinder)

A new flow-visualization system by using infrared thermography has been proposed. The system was applied to theflow around a two-dimensional circular cylinder with smooth surface, and its validity was examined. The relation between the surface temperature distribution on the cylinder and the flow ch...

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Bibliographic Details
Published inNihon Kaze Kougakkaishi Vol. 1988; no. 35; pp. 35 - 44
Main Authors YAMADA, Motohiko, UEMATSU, Yasushi, KOSHIHARA, Toshio
Format Journal Article
LanguageEnglish
Published Japan Association for Wind Engineering 1988
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Summary:A new flow-visualization system by using infrared thermography has been proposed. The system was applied to theflow around a two-dimensional circular cylinder with smooth surface, and its validity was examined. The relation between the surface temperature distribution on the cylinder and the flow characteristics was clarified. By comparing the present results with the previous ones given by the other investigators The validity of the system was recognized. Furthermore, the variation of the surf ace temperature distribution on the cylinder with the Reynolds number in the subcritical and critical Reynolds-number ranges was examined in detail, The results indicated that the flow pattern changed suddenly at Re≅ 3.3× 105.
ISSN:0912-1935
1883-8413
DOI:10.5359/jawe.1988.35_35