Group: Print Your Name Soive the problem below using the RIDEA framework instruc
ID: 3308941 • Letter: G
Question
Group: Print Your Name Soive the problem below using the RIDEA framework instructions: A black wood stove with surface am 46ismade bom cat lin 40 al is at 6s0 "C, while the exterior is at 647C()Whars the rate of heat conduction stove walI? (b) Whar, rate of nalation from …love? through th o Represent the problem in terms of symbols and diagrams the problem by identifying applicable concepts and principles 2) Interpret 3) Develop a plan for solving the problem 4) Evaluate your answer 5) Assess your answerExplanation / Answer
According to the given problem,
a)Using the concept of Rate of heat conduction,
Q= -KA(T2-T1)/l Where,A = 4.6 m2T2 = 647oC T1 = 650oC and l = 4mm = 0.004 m
And for cast iron, K = 55 W/mK
Substitute the values in the baove equation,
Q = 189.75 KW
b)Now, take ambient temperature(T2) to be 25oC or 298 K
wall temperature (T1) is 6470C or 922K
Radiation heat transfer = A(9224 - 2984) where A = 4.6m2 and = 5.668e-8 W/m2K4
Radiation heat transfer = 186.44 KW.
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