Thermodynamics HW Solutions 944

Thermodynamics HW Solutions 944 - N Q 12,shields [W/m 2 ] 1...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Chapter 12 Radiation Heat Transfer 12-55 "!PROBLEM 12-55" "GIVEN" N=5 "parameter to be varied" epsilon_3=0.1 "epsilon_1=0.1 parameter to be varied" epsilon_2=epsilon_1 T_1=800 "[K]" T_2=450 "[K]" sigma=5.67E-8 "[W/m^2-K^4], Stefan-Boltzmann constant" "ANALYSIS" Q_dot_12_shields=1/(N+1)*Q_dot_12_NoShield Q_dot_12_NoShield=(sigma*(T_1^4-T_2^4))/(1/epsilon_1+1/epsilon_2-1)
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: N Q 12,shields [W/m 2 ] 1 550 2 366.7 3 275 4 220 5 183.3 6 157.1 7 137.5 8 122.2 9 110 10 100 1 Q 12,shields [W/m 2 ] 0.1 183.3 0.15 282.4 0.2 387 0.25 497.6 0.3 614.7 0.35 738.9 0.4 870.8 0.45 1011 0.5 1161 0.55 1321 0.6 1493 0.65 1677 0.7 1876 0.75 2090 0.8 2322 0.85 2575 0.9 2850 12-41...
View Full Document

This note was uploaded on 01/24/2012 for the course PHY 4803 taught by Professor Dr.danielarenas during the Fall '10 term at UNF.

Ask a homework question - tutors are online