Techniques based on temperature-sensitive paints (TSP) to measure time-resolved temperature and heat transfer distributions at the interface between a wall and fluid during pool and flow boiling are described. The paints are excited using ultraviolet (UV) light emitting diodes (LEDs), and changes in fluorescence intensity are used to infer local temperature differences across a thin insulator from which heat flux distribution is obtained. Advantages over infrared (IR) thermometry include the ability to use substrates that are opaque to IR (e.g., glass, plexiglass and plastic films), use of low-cost optical cameras, no self-emission from substrates to complicate data interpretation, high speed, and high spatial resolution. TSP-based methods to measure wall heat transfer distributions are validated and then demonstrated for pool and flow boiling.
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Phase-Change Heat Transfer Measurements Using Temperature-Sensitive Paints
Husain Al Hashimi,
Husain Al Hashimi
Department of Mechanical Engineering,
University of Maryland,
College Park, MD 20742
e-mail: halhashimi88@gmail.com
University of Maryland,
College Park, MD 20742
e-mail: halhashimi88@gmail.com
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Caleb F. Hammer,
Caleb F. Hammer
Department of Mechanical Engineering,
University of Maryland,
College Park, MD 20742
e-mail: chammer7@terpmail.umd.edu
University of Maryland,
College Park, MD 20742
e-mail: chammer7@terpmail.umd.edu
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Michel T. Lebon,
Michel T. Lebon
Department of Mechanical Engineering,
University of Maryland,
College Park, MD 20742
e-mail: michel.lebon01@gmail.com
University of Maryland,
College Park, MD 20742
e-mail: michel.lebon01@gmail.com
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Dan Zhang,
Dan Zhang
School of Energy & Power Engineering,
Xi’an Jiatong University,
Shaanxi, Xi’an 710049, China
e-mail: zhangdan@mail.xjtu.edu.cn
Xi’an Jiatong University,
No. 28 Xianning West Road
,Shaanxi, Xi’an 710049, China
e-mail: zhangdan@mail.xjtu.edu.cn
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Jungho Kim
Jungho Kim
Fellow ASME
Department of Mechanical Engineering,
University of Maryland,
College Park, MD 20742
e-mail: kimjh@umd.edu
Department of Mechanical Engineering,
University of Maryland,
College Park, MD 20742
e-mail: kimjh@umd.edu
Search for other works by this author on:
Husain Al Hashimi
Department of Mechanical Engineering,
University of Maryland,
College Park, MD 20742
e-mail: halhashimi88@gmail.com
University of Maryland,
College Park, MD 20742
e-mail: halhashimi88@gmail.com
Caleb F. Hammer
Department of Mechanical Engineering,
University of Maryland,
College Park, MD 20742
e-mail: chammer7@terpmail.umd.edu
University of Maryland,
College Park, MD 20742
e-mail: chammer7@terpmail.umd.edu
Michel T. Lebon
Department of Mechanical Engineering,
University of Maryland,
College Park, MD 20742
e-mail: michel.lebon01@gmail.com
University of Maryland,
College Park, MD 20742
e-mail: michel.lebon01@gmail.com
Dan Zhang
School of Energy & Power Engineering,
Xi’an Jiatong University,
Shaanxi, Xi’an 710049, China
e-mail: zhangdan@mail.xjtu.edu.cn
Xi’an Jiatong University,
No. 28 Xianning West Road
,Shaanxi, Xi’an 710049, China
e-mail: zhangdan@mail.xjtu.edu.cn
Jungho Kim
Fellow ASME
Department of Mechanical Engineering,
University of Maryland,
College Park, MD 20742
e-mail: kimjh@umd.edu
Department of Mechanical Engineering,
University of Maryland,
College Park, MD 20742
e-mail: kimjh@umd.edu
1Corresponding author.
Contributed by the Heat Transfer Division of ASME for publication in the JOURNAL OF HEAT TRANSFER. Manuscript received June 10, 2017; final manuscript received August 5, 2017; published online November 21, 2017. Assoc. Editor: Gennady Ziskind.
J. Heat Transfer. Mar 2018, 140(3): 031601 (15 pages)
Published Online: November 21, 2017
Article history
Received:
June 10, 2017
Revised:
August 5, 2017
Citation
Al Hashimi, H., Hammer, C. F., Lebon, M. T., Zhang, D., and Kim, J. (November 21, 2017). "Phase-Change Heat Transfer Measurements Using Temperature-Sensitive Paints." ASME. J. Heat Transfer. March 2018; 140(3): 031601. https://doi.org/10.1115/1.4038135
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