Consider one dimensional conduction in a plane composite wall The outer surfaces are exposed to a fluid at 25C and a convection heat transfer coefficient of 1000 W m 2 K The middle wall B experiences uniform heat generation q B , while there is no generation in walls A and C The temperatures at the...

KNOWN Composite wall with outer surfaces exposed to convection process FIND a Volumetric heat generation and thermal conductivity for material B requi ...

Consider one-dimensional conduction in a plane composite wall. The outer surfaces are exposed to a fluid at

Question:

Consider one-dimensional conduction in a plane composite wall. The outer surfaces are exposed to a fluid at 25°C and a convection heat transfer coefficient of 1000 W/m² ∙ K. The middle wall B experiences uniform heat generation q_B, while there is no generation in walls A and C. The temperatures at the interfaces are T₁ = 261°C and T₂ = 211°C.

T2 T1 Too Te, h Яв 2LB LA = 30 mm LB = 30 mm L = 20 mm kA = 25 W/m-K kc = 50 W/m-K A.

(a) Assuming negligible contact resistance at the interfaces determines the volumetric heat generation q_B and the thermal conductivity kB.

(b) Plot the temperature distribution, showing its important features.

(c) Consider conditions corresponding to a loss of coolant at the exposed surface of material A (h = 0). Determine T₁ and T₂ and plot the temperature distribution throughout the system.

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