TransportPropCalcEPSolnME501F2011

TransportPropCalcEPSolnME501F2011 - 1 ME 501 Example...

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1 ME 501 Example Problem, NML 7.12a: Rigorous Calculation of Transport Properties Calculate the dynamic viscosity and the thermal conductivity for diatomic hydrogen at T=300 K and P=1 atm. Also, calculate the binary diffusion coefficient D H2-N2 at 300 K. Compare with tabulated data from Incropera and DeWitt, Fundamentals of Heat and Mass Transfer. Calculate the dynamic viscosity first:  2( 2 , 2 ) * 2 10 27 27 * (2,2)* 27 2 5 16 : 2.92 2.92 10 38 2.01588 1.6605 10 / 3.347 10 300 7.89 38 7.89 6 0.8538 0.8963 0.8963 0.8561 86 3.347 10 1.38065 10 5 16 B B B mk T For H Angstroms m K k m amu kg amu kg kT T kg           3 6 2 2 10 66 2 6 2 / 300 8.99 10 2.92 10 0.8561 8.99 10 8.99 10 : 8.96 10 JK K kg m ms m Ns kg mm s Incropera and DeWitt value m Now calculate the thermal conductivity:
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2  2 11 1 95 44 4 300 : 28.849 2.01588 8.31447 28.849 8.31447 10.19 2.01588 28.849 1.405 28.849 8.31447 VP u V P u V PP u cc R c MW MW For H at K kJ kg kJ cM W R kmol K kmol kmol K kJ kJ kmol K c kg kg K kmol R   
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This note was uploaded on 12/26/2011 for the course ME 501 taught by Professor Na during the Fall '10 term at Purdue University-West Lafayette.

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TransportPropCalcEPSolnME501F2011 - 1 ME 501 Example...

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