Objective
To find out total thermal resistance and total thermal conductivity of composite slab.
Effective diameter d = 300 mm
Thickness t = 52 mm
Set voltage
Q(w)
10
T1(°C)
10
T2(°C)
10
T3(°C)
10
T4(°C)
10
T5(°C)
10
T6(°C)
27
Temperature Gradient
$$T_a = \frac{(T_1 + T_2)}{2}°C $$
$$T_b = \frac{(T_3 + T_4)}{2}°C$$
$$T_c = \frac{(T_5 + T_6)}{2}°C$$
Thermal Resistance of a slab
$$ R = \frac{T_a - T_c}{Q}°C/W$$
$$R =$$
$$°C/W$$
Thermal conductivity
$$K = \frac{Q.t}{A.ΔT}W/m.K$$
$$K =$$
$$W/m.K$$
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