# Nusselt number calculation

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 June 17, 2011, 09:25 Nusselt number calculation #1 New Member   vinay kumar Join Date: Jun 2011 Posts: 3 Rep Power: 8 sir i have to calculate the nusselt number ratio augumentation for dimple surface and smooth surface for reynolds number for laminar flow Nu/Nuo..plz help me

 June 20, 2011, 04:40 #2 Senior Member     Morteza Join Date: May 2010 Location: Iran,Islamic Republic of Posts: 161 Rep Power: 9 Hi Did you find your answer. I also worked on dimpled surface in fluent and gambit and now I am working on a code for simulating the convective heat transfer along a dimpled surface. let me know if you need help yet

 June 20, 2011, 09:09 nusselt number #3 New Member   vinay kumar Join Date: Jun 2011 Posts: 3 Rep Power: 8 respected sir plz send me the formula for nusselt number augumentation for flat and dimpled surface by reynolds number are 500 750 1000 1650 respectively plz send me the formula and cf/cfo ratio.

 June 20, 2011, 10:25 #4 Senior Member     Morteza Join Date: May 2010 Location: Iran,Islamic Republic of Posts: 161 Rep Power: 9 ftp://ftp.eng.auburn.edu/pub/hejingl...late/step6.htm http://www.codecogs.com/code/enginee...sselt_flat.php http://cfd.iut.ac.ir/files/plate.pdf http://www.google.com/url?sa=t&sourc...G9m9t8xvjdSoyg ========================= In all of thw above links there are formulas for calculating the nusselt number.... and how to calculate the nu number in fluent..

 June 21, 2011, 08:27 friction factor calulation #5 New Member   vinay kumar Join Date: Jun 2011 Posts: 3 Rep Power: 8 sir i want to calculate the friction factor for the reynolds number 500,750,1000,1650 for both the flat plate and dimpled surface. thank u

 June 21, 2011, 08:39 #6 Senior Member     Morteza Join Date: May 2010 Location: Iran,Islamic Republic of Posts: 161 Rep Power: 9 hi this may help you read carefully https://confluence.cornell.edu/displ...t+Plate+step+6

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