"ME 462 LESSON 22 example (a)"


"Given info and constants"
g = 9.81 "m/s^2"
r_i = 0.005 "m"
r_o = r_i + t "m"
D_o = 2*r_o "m"
k_insul = 0.2
h = 10

T_1 = 450 "K"
T_amb = 300 "K"

"Heat Transfer and resistance analogy"
R_total = (1/(h*2*pi*r_o)) + ( ln(r_o/r_i)/(2*pi*k_insul))
Q_dot = (T_1-T_amb)/R_total