In this paper, experimental investigation has been performed to characterize the heat transfer behavior of CuO–water and ZnO–water nanofluids. Nanofluids containing different volume percent (vol %) of nanoparticle concentrations flowed over a flat copper plate under a constant heat load. The constant heat flux was maintained using evenly placed cartridge heaters. The heat transfer coefficients of nanofluids were measured and compared with the results obtained from identical experiments performed with de-ionized (DI) water. In order to thoroughly characterize the nanofluids, nanoparticle size was investigated to inspect for possible agglomeration. The particle size was measured by using both a transmission electron microscope (TEM) and a dynamic light scattering system (DLS). Enhancement of convective heat transfer of nanofluids was 2.5–16% depending on the nanoparticle concentrations and Reynolds number. The plausible mechanisms of the enhanced thermal performance of CuO and ZnO nanofluids will be discussed in the following paper.
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August 2019
Research-Article
Experimental Investigation of Heat Transfer Enhancement of CuO–Water and ZnO–Water Nanofluids Flowing Over a Heated Plate
Dale A. McCants,
Dale A. McCants
Department of Mechanical Engineering,
University of South Carolina,
Columbia, SC 29208
e-mail: dale@icedragoncooling.com
University of South Carolina,
Columbia, SC 29208
e-mail: dale@icedragoncooling.com
1Corresponding author.
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Andrew M. Hayes,
Andrew M. Hayes
Ice Dragon Cooling,
Columbia, SC 29203
7402 Fairfield Road
,Columbia, SC 29203
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Titan C. Paul,
Titan C. Paul
Department of Mathematical
Sciences and Engineering,
University of South Carolina Aiken,
Aiken, SC 29801
Sciences and Engineering,
University of South Carolina Aiken,
Aiken, SC 29801
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Jamil A. Khan,
Jamil A. Khan
Department of Mechanical Engineering,
University of South Carolina,
Columbia, SC 29208
University of South Carolina,
Columbia, SC 29208
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Aly H. Shaaban
Aly H. Shaaban
Engineering Science Division,
Applied Research Associates,
Panama City, FL 32401
Applied Research Associates,
Panama City, FL 32401
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Dale A. McCants
Department of Mechanical Engineering,
University of South Carolina,
Columbia, SC 29208
e-mail: dale@icedragoncooling.com
University of South Carolina,
Columbia, SC 29208
e-mail: dale@icedragoncooling.com
Andrew M. Hayes
Ice Dragon Cooling,
Columbia, SC 29203
7402 Fairfield Road
,Columbia, SC 29203
Titan C. Paul
Department of Mathematical
Sciences and Engineering,
University of South Carolina Aiken,
Aiken, SC 29801
Sciences and Engineering,
University of South Carolina Aiken,
Aiken, SC 29801
Jamil A. Khan
Department of Mechanical Engineering,
University of South Carolina,
Columbia, SC 29208
University of South Carolina,
Columbia, SC 29208
Aly H. Shaaban
Engineering Science Division,
Applied Research Associates,
Panama City, FL 32401
Applied Research Associates,
Panama City, FL 32401
1Corresponding author.
Contributed by the Heat Transfer Division of ASME for publication in the JOURNAL OF THERMAL SCIENCE AND ENGINEERING APPLICATIONS. Manuscript received November 30, 2018; final manuscript received June 24, 2019; published online July 15, 2019. Assoc. Editor: Ali J. Chamkha.
J. Thermal Sci. Eng. Appl. Aug 2019, 11(4): 041015 (7 pages)
Published Online: July 15, 2019
Article history
Received:
November 30, 2018
Revised:
June 24, 2019
Citation
McCants, D. A., Hayes, A. M., Paul, T. C., Khan, J. A., and Shaaban, A. H. (July 15, 2019). "Experimental Investigation of Heat Transfer Enhancement of CuO–Water and ZnO–Water Nanofluids Flowing Over a Heated Plate." ASME. J. Thermal Sci. Eng. Appl. August 2019; 11(4): 041015. https://doi.org/10.1115/1.4044137
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