Comparative experiments were conducted on the laminar flow frictional characteristics of suspensions with microencapsulated phase change material (MEPCM) in water flowing through rectangular copper minichannels. The MEPCM particles were mixed with distilled water to form suspensions with various mass concentrations ranging from 0% to 20%. The bulk viscosities of the suspensions were measured by using a cylindrical rotating rheometer. The experiments were performed to explore the effect of MEPCM concentration on the friction factors and pressure drops of the MEPCM suspensions flowing in minichannels. It was found out that based on the measured viscosities, the friction factors approximately agreed with those of continuous Newtonian fluid in laminar flow region. The measured pressure drops of the MEPCM suspensions flowing in the minichannels increase over the entire range of the velocity as the concentration increases.
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ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference collocated with the ASME 2007 InterPACK Conference
July 8–12, 2007
Vancouver, British Columbia, Canada
Conference Sponsors:
- Heat Transfer Division
ISBN:
0-7918-4275-4
PROCEEDINGS PAPER
Experiments on Microencapsulated Phase Change Material Suspensions Flow in Rectangular Minichannels Available to Purchase
Yu Rao,
Yu Rao
Shanghai Jiaotong University, Shanghai, China
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Frank Dammel,
Frank Dammel
Darmstadt University of Technology, Darmstadt, Germany
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Peter Stephan
Peter Stephan
Darmstadt University of Technology, Darmstadt, Germany
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Yu Rao
Shanghai Jiaotong University, Shanghai, China
Frank Dammel
Darmstadt University of Technology, Darmstadt, Germany
Peter Stephan
Darmstadt University of Technology, Darmstadt, Germany
Paper No:
HT2007-32114, pp. 569-573; 5 pages
Published Online:
August 24, 2009
Citation
Rao, Y, Dammel, F, & Stephan, P. "Experiments on Microencapsulated Phase Change Material Suspensions Flow in Rectangular Minichannels." Proceedings of the ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference collocated with the ASME 2007 InterPACK Conference. ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference, Volume 2. Vancouver, British Columbia, Canada. July 8–12, 2007. pp. 569-573. ASME. https://doi.org/10.1115/HT2007-32114
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