The performance of a novel impinging two-phase jet heat sink operating with single and multiple jets is presented and the influence of the following parameters is quantified: (i) thermal load applied on the heat sink and (ii) geometrical arrangement of the orifices (jets). The heat sink is part of a vapor compression cooling system equipped with an R-134a small-scale oil-free linear motor compressor. The evaporator and the expansion device are integrated into a single cooling unit. The expansion device can be a single orifice or an array of orifices responsible for the generation of two-phase jet(s) impinging on a surface where a concentrated heat load is applied. The analysis is based on the thermodynamic performance and steady-state heat transfer parameters associated with the impinging jet(s) for single and multiple orifice tests. The two-phase jet heat sink was capable of dissipating cooling loads of up to 160 W and 200 W from a 6.36 cm2 surface for single and multiple orifice configurations, respectively. For these cases, the temperature of the impingement surface was kept below 40 °C and the average heat transfer coefficient reached values between 14,000 and 16,000 W/(m2 K).
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September 2017
Research-Article
Performance Assessment of Single and Multiple Jet Impingement Configurations in a Refrigeration-Based Compact Heat Sink for Electronics Cooling
Pablo A. de Oliveira,
Pablo A. de Oliveira
POLO—Research Laboratories for Emerging
Technologies in Cooling and Thermophysics,
Department of Mechanical Engineering,
Federal University of Santa Catarina,
Florianópolis 88040-900, Santa Catarina, Brazil
Technologies in Cooling and Thermophysics,
Department of Mechanical Engineering,
Federal University of Santa Catarina,
Florianópolis 88040-900, Santa Catarina, Brazil
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Jader R. Barbosa, Jr.
Jader R. Barbosa, Jr.
POLO—Research Laboratories for Emerging
Technologies in Cooling and Thermophysics,
Department of Mechanical Engineering,
Federal University of Santa Catarina,
Florianópolis 88040-900, Santa Catarina, Brazil
e-mail: jrb@polo.ufsc.br
Technologies in Cooling and Thermophysics,
Department of Mechanical Engineering,
Federal University of Santa Catarina,
Florianópolis 88040-900, Santa Catarina, Brazil
e-mail: jrb@polo.ufsc.br
Search for other works by this author on:
Pablo A. de Oliveira
POLO—Research Laboratories for Emerging
Technologies in Cooling and Thermophysics,
Department of Mechanical Engineering,
Federal University of Santa Catarina,
Florianópolis 88040-900, Santa Catarina, Brazil
Technologies in Cooling and Thermophysics,
Department of Mechanical Engineering,
Federal University of Santa Catarina,
Florianópolis 88040-900, Santa Catarina, Brazil
Jader R. Barbosa, Jr.
POLO—Research Laboratories for Emerging
Technologies in Cooling and Thermophysics,
Department of Mechanical Engineering,
Federal University of Santa Catarina,
Florianópolis 88040-900, Santa Catarina, Brazil
e-mail: jrb@polo.ufsc.br
Technologies in Cooling and Thermophysics,
Department of Mechanical Engineering,
Federal University of Santa Catarina,
Florianópolis 88040-900, Santa Catarina, Brazil
e-mail: jrb@polo.ufsc.br
1Corresponding author.
Contributed by the Electronic and Photonic Packaging Division of ASME for publication in the JOURNAL OF ELECTRONIC PACKAGING. Manuscript received January 25, 2017; final manuscript received April 24, 2017; published online June 28, 2017. Assoc. Editor: Dong Liu.
J. Electron. Packag. Sep 2017, 139(3): 031005 (11 pages)
Published Online: June 28, 2017
Article history
Received:
January 25, 2017
Revised:
April 24, 2017
Citation
de Oliveira, P. A., and Barbosa, J. R., , Jr. (June 28, 2017). "Performance Assessment of Single and Multiple Jet Impingement Configurations in a Refrigeration-Based Compact Heat Sink for Electronics Cooling." ASME. J. Electron. Packag. September 2017; 139(3): 031005. https://doi.org/10.1115/1.4036817
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