Experimental investigation of the heat transfer characterization of multiple microjet impingement cooler | Zendy

Jian Sun | Zendy; Haiquan Du | Zendy; Peng Zhou | Zendy; Renping Zhang | Zendy; Jorge Alvarado | Zendy

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Experimental investigation of the heat transfer characterization of multiple microjet impingement cooler

Author(s) -

Jian Sun,

Haiquan Du,

Peng Zhou,

Renping Zhang,

Jorge Alvarado

Publication year - 2021

Publication title -

journal of physics conference series

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.21

H-Index - 85

eISSN - 1742-6596

pISSN - 1742-6588

DOI - 10.1088/1742-6596/1985/1/012041

Subject(s) - reynolds number , pressure drop , nozzle , mechanics , coolant , materials science , heat transfer , jet (fluid) , thermodynamics , mechanical engineering , physics , engineering , turbulence

In this paper, a new type microjet with a return channel was designed and constructed from plastics using 3-Dimensional print techniques. The array of 12 microjets with diameter 3mm was tested using high pressure (17.3KPa-275.8 KPa) air as coolant for jet diameter Reynolds number from 1.5 × 10 3 -6.75 × 10 3 . The effects of the design parameters such as standoff that is the distance of the nozzle exit to the heated surface were analyzed under different input power and Reynolds number. The pressure drop and COP of the cooler were explored under different conditions in the present study.

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