IPASJ INTERNATIONAL JOURNAL OF MECHANICAL ENGINEERING (IIJME)

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ISSN 2321-6441

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Effect of Nozzle Spacing on Heat Transfer and Fluid Flow Characteristics of an Impinging Circular Jet in Cooling of Electronic Components, Authors : Robbins, Anthony,IPASJ INTERNATIONAL JOURNAL OF MECHANICAL ENGINEERING (IIJME) ,http://www.ipasj.org/IIJME/IIJME.htm

Volume & Issue no: Volume 6, Issue 1, January 2018


Title:
Effect of Nozzle Spacing on Heat Transfer and Fluid Flow Characteristics of an Impinging Circular Jet in Cooling of Electronic Components
Author Name:
Robbins, Anthony
Abstract:
ABSTRACT An experimental investigation is conducted to study the effect of nozzle-to-surface spacing of the electronic components and Reynolds number on the heat transfer in cooling of electronic components by an impinging submerged air jet. Reynolds number based on nozzle diameter d is varied between 6000 to 23000. Distance from the tip of the nozzle-to-surface of the electronic components H varied from 2 to 10 nozzle diameters. Experiments are conducted with nozzle diameter of 5mm. Local heat transfer rates at a fixed radial location are measured and the stagnation Nusselt numbers for different H/d ratios calculated. They are correlated and compared with the data of earlier investigators. The following correlation for stagnation Nusselt number has been developed based on the experimental data.
Cite this article:
Robbins, Anthony , " Effect of Nozzle Spacing on Heat Transfer and Fluid Flow Characteristics of an Impinging Circular Jet in Cooling of Electronic Components " , IPASJ INTERNATIONAL JOURNAL OF MECHANICAL ENGINEERING (IIJME), Volume 6, Issue 1, January 2018 , pp. 029-031 , ISSN 2321-6441.
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