AME 517, Fall 2009
Problem set #3
Due: 10/13/2009, 4:30 pm
NOTE: You can use the Excel spreadsheets to check your answers, but you need to show your work using the relevant equations.
6.1 Answers: diffuse q1 = ; specular q1 = .
Note: to get these results youÕll need to use the fact that for D/L << 1,
6.6. Answers: diffuse q = , Q (per unit length) = ; specular q = , Q (per unit length) =.
6.7 Answers: q = = 1.47 x 104 W/m2, Q (per unit length) = 2Lq = 588 W/m, ea = 0.519.
6.9 Answer: 180û.
6.25. Answers: T1 = T2 = 343K, T3 = 320K.