2022
DOI: 10.3390/en15218287
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Enhancement of Heat Transfer in a Microchannel via Passive and Active Control of a Jet Issued from the Circular Cylinder

Abstract: The heat transfer enhancement of a jet issued from the circular cylinder placed in a three-dimensional microchannel at low Reynolds numbers were studied systematically by using the numerical simulation. The effects of the jet on thermal efficiency were evaluated by varying injection ratios (I) and jet angles (θ). The physical mechanism of heat transfer was revealed through the analyses of vorticity dynamic and temperature field. The results showed that the thermal efficiency was proportional to the injection r… Show more

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Cited by 2 publications
(1 citation statement)
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“…Advances in nuclear reactors, high-performance computers and optoelectronic devices towards high power density and compactness has posed a great challenge to efficient heat transfer and heat dissipation [1][2][3][4][5][6][7]. Micro-pin-fin heat sinks, characterized by enhanced flow mixing and expanded heat transfer area, have become an attractive solution to the problem [8][9][10].…”
Section: Introductionmentioning
confidence: 99%
“…Advances in nuclear reactors, high-performance computers and optoelectronic devices towards high power density and compactness has posed a great challenge to efficient heat transfer and heat dissipation [1][2][3][4][5][6][7]. Micro-pin-fin heat sinks, characterized by enhanced flow mixing and expanded heat transfer area, have become an attractive solution to the problem [8][9][10].…”
Section: Introductionmentioning
confidence: 99%