This paper proposes a combined method for two-dimensional temperature and velocity measurement using temperature sensitive particles (TSPs), a pulsed ultraviolet laser, and a high-speed camera. TSPs respond to temperature changes in a flow and can also serve as tracers for the velocity field. The luminescence from the TSPs was recorded at 15,000 frames per second as sequential images for a lifetime-based temperature analysis. These images were also used for the particle image velocimetry calculations. The temperature field was estimated using six images, based on the lifetime method. The decay curves for various temperature conditions fit well to exponential functions, and from these the decay constants at each temperature were obtained. The proposed technique was applied to measure the temperature and velocity fields in natural convection driven by a Marangoni force and buoyancy in a rectangular tank. The accuracy of the temperature measurement of the proposed technique was ±0.35∼0.40°C.
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2010 14th International Heat Transfer Conference
August 8–13, 2010
Washington, DC, USA
Conference Sponsors:
- Heat Transfer Division
ISBN:
978-0-7918-4939-2
PROCEEDINGS PAPER
Combined Measurement of Temperature and Velocity Distribution of Fluid Flow
Satoshi Someya,
Satoshi Someya
AIST, Tsukuba, Ibaraki; University of Tokyo, Kashiwa, Chiba, Japan
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Yanrong Li,
Yanrong Li
University of Tokyo, Kashiwa, Chiba, Japan
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Kaoru Tominaga,
Kaoru Tominaga
University of Tokyo, Kashiwa, Chiba, Japan
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Manabu Tange,
Manabu Tange
University of Tokyo, Kashiwa, Chiba, Japan
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Koji Okamoto
Koji Okamoto
University of Tokyo, Kashiwa, Chiba, Japan
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Satoshi Someya
AIST, Tsukuba, Ibaraki; University of Tokyo, Kashiwa, Chiba, Japan
Yanrong Li
University of Tokyo, Kashiwa, Chiba, Japan
Kaoru Tominaga
University of Tokyo, Kashiwa, Chiba, Japan
Manabu Tange
University of Tokyo, Kashiwa, Chiba, Japan
Koji Okamoto
University of Tokyo, Kashiwa, Chiba, Japan
Paper No:
IHTC14-22504, pp. 11-18; 8 pages
Published Online:
March 1, 2011
Citation
Someya, S, Li, Y, Tominaga, K, Tange, M, & Okamoto, K. "Combined Measurement of Temperature and Velocity Distribution of Fluid Flow." Proceedings of the 2010 14th International Heat Transfer Conference. 2010 14th International Heat Transfer Conference, Volume 4. Washington, DC, USA. August 8–13, 2010. pp. 11-18. ASME. https://doi.org/10.1115/IHTC14-22504
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