Conv_hw8_sol

# Conv_hw8_sol - ElVIL 6155 IIoInevvork 8 1) W rite down the...

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ElVIL 6155 IIoInevvork 8 1) Write down the appropri atc differential equati()llS :lnd boundary conditions required to solve for free convection heat transfer hctwcen two horizontal plates, each maintained at a constant tempcntture, ,oV /2) Using the approximate integral solution for turbulent free convection over a vertical, constant temperature surface, give an expression for 6/x, Compare and discuss how the boundary layer thickness varies \'\'tth x for laminar and turbulent free and forced convection for Pr-1. 3) An integral meth(xl is to be applied to free convection from a vertical plate, immersed in a constant-properly Huid, whose surface heat nux tI . . is constant It 9]. / (a) Shmv that use of the assumed profiles 11 = U j l1( 1 .~~ 1] r .~~ '>"here 11 = Y /0. 8 is the comrnon therrnal and velocity houndary-Iayer thickness. and it! is a n;:ference velocity l() be determined in Lq. 00-14) gives d(fVZJ) / lOS} d i , JVD :~ . /30)

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## This note was uploaded on 09/09/2010 for the course EML 6155 taught by Professor Dr.jamesklausner during the Spring '10 term at University of Florida.

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Conv_hw8_sol - ElVIL 6155 IIoInevvork 8 1) W rite down the...

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