Thermodynamics HW Solutions 526

Thermodynamics HW Solutions 526 - Q_dot=A*(mu*Vel^2)/(2*L)...

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Chapter 6 Fundamentals of Convection 6-41 "!PROBLEM 6-41" "GIVEN" D=0.06 "[m]" "N_dot=3000 rpm, parameter to be varied" L_bearing=0.20 "[m]" L=0.0002 "[m]" T_0=50 "[C]" "PROPERTIES" k=0.17 "[W/m-K]" mu=0.05 "[N-s/m^2]" "ANALYSIS" Vel=pi*D*N_dot*Convert(1/min, 1/s) A=pi*D*L_bearing T_max=T_0+(mu*Vel^2)/(8*k)
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Unformatted text preview: Q_dot=A*(mu*Vel^2)/(2*L) W_dot_mech=Q_dot N [rpm] W mech [W] 0 0 250 2.907 500 11.63 750 26.16 1000 46.51 1250 72.67 1500 104.7 1750 142.4 2000 186 2250 235.5 2500 290.7 2750 351.7 3000 418.6 3250 491.3 3500 569.8 3750 654.1 4000 744.2 4250 840.1 4500 941.9 4750 1049 5000 1163 6-15...
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This note was uploaded on 01/22/2012 for the course PHY 4803 taught by Professor Dr.danielarenas during the Fall '10 term at UNF.

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