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Proceedings Paper

Fast infrared imaging of turbulent heat transfer
Author(s): H. Nakamura; S. Yamada
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Paper Abstract

In this paper, we introduce a novel technique to measure the unsteady feature of turbulent heat transfer using high-speed infrared thermograph. High-speed imaging is necessary to capture the unsteady feature since the turbulent heat transfer is originated from the turbulent vortical structure which fluctuates in high speed and in complicated manners. The experimental technique was introduced here to measure the turbulent heat transfer, and presented an example of quantitative variation of spatio-temporal heat transfer, which has not been clarified experimentally so far. In addition, the requirement to the infrared thermograph to capture the sufficient fine structure was discussed.

Paper Details

Date Published: 20 February 2017
PDF: 5 pages
Proc. SPIE 10328, Selected Papers from the 31st International Congress on High-Speed Imaging and Photonics, 1032816 (20 February 2017); doi: 10.1117/12.2269552
Show Author Affiliations
H. Nakamura, National Defense Academy (Japan)
S. Yamada, National Defense Academy (Japan)


Published in SPIE Proceedings Vol. 10328:
Selected Papers from the 31st International Congress on High-Speed Imaging and Photonics
T. Goji Etoh; Hiroyuki Shiraga, Editor(s)

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