Journal
JOURNAL OF HEAT TRANSFER-TRANSACTIONS OF THE ASME
Volume 130, Issue 12, Pages -Publisher
ASME-AMER SOC MECHANICAL ENG
DOI: 10.1115/1.2970082
Keywords
micro-pin-fins; heat sink; liquid cooling; single phase; pressure drop; friction factor
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Funding
- National Science Foundation [CBET07-30315]
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This Technical Brief is Part II of a two-part study concerning water single-phase pressure drop and heat transfer in an array of staggered micro-pin-fins. This brief reports the pressure drop results. Both adiabatic and diabatic tests were conducted. Six previous friction factor correlations for low Reynolds number (Re <1000) flow in conventional and micro-pin-fin arrays were examined and found underpredicting the adiabatic data except the correlation by Short et al. (2002, Performance of Pin Fin Cast Aluminum Coldwalls, Part 1: Friction Factor Correlation, J. Thermophys. Heat Transfer, 16(3), pp. 389-396), which overpredicts the data. A new power-law type of correlation was developed, which showed good agreement with both adiabatic and diabatic data. [DOI: 10.1115/1.2970082]
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