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|Title:||Effects of prandtl number on impinging jet heat transfer under a semi-confined laminar slot jet|
|Citation:||Shi, Y.L., Ray, M.B., Majumdar, A.S. (2003-05). Effects of prandtl number on impinging jet heat transfer under a semi-confined laminar slot jet. International Communications in Heat and Mass Transfer 30 (4) : 455-464. ScholarBank@NUS Repository. https://doi.org/10.1016/S0735-1933(03)00074-5|
|Abstract:||The objective of this work was to carry out numerical experiments to examine the effect of thermophysical properties of the fluid (gas or liquid) on heat transfer and to correlate the effect of the fluid Prandtl number on heat transfer under a semi-confined laminar slot jet. New results are presented for different gases viz. air, argon, hydrogen, helium, ammonia and ethylene and several liquids viz. water, benzene, ehtanol, turpentine and iso-butyl alcohol. The fluid Prandtl numbers range from 0.7 to 71. Local, stagnation and average values of the impingement Nusselt number as well as the heat transfer coefficient distributions are reported. Empirical correlations are derived for the stagnation and average Nusselt numbers as a function of the fluid Prandtl number on the basis of extensive numerical experiments. The effects of nozzle-to-target spacing, H/W and jet Reynolds number on heat transfer under laminar slot impinging jet are also reported. © 2003 Elsevier Science Ltd.|
|Source Title:||International Communications in Heat and Mass Transfer|
|Appears in Collections:||Staff Publications|
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