The temperature profile in a brick masonry wall is steady and linear as shown in

Question

The temperature profile in a brick masonry wall is steady and linear as shown in figure. At surface 1, the temperature is 30

The temperature profile in a brick masonry wall is steady and linear as shown in figure. At surface 1, the temperature is 30degree C. At surface 2, the temperature is 20degree C. On the left of the wall is water at a bulk temperature of 38degree C. Determine the convective heat transfer coefficient between the water and the wall. Take the thickness of the wall to be 30-cm and the surface area to be 1 m2. What is the rate of heat transfer through the wall?

Explanation / Answer

Convective heat transfer from water to surface 1 = Rate of heat transfer from surface 1 to 2

h*A*(38-20) = (30-20)* K*A/ 30*10^-2

put all the values you'll get h from here ,

for rate of Heat transfer use (put value of h from above) :Q = h*A*(38-20)

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