Question 55
Heat is being transferred by convection from water at $$48^\circ C$$ to a glass plate whose surface that is exposed to the water is at 40°C. The thermal conductivity of water is 0.6 W/m-K and the thermal conductivity of glass is 1.2 W/m-K. The spatial gradient of temperature in the water at the water-glass interface is $$\frac{dT}{dy} = 1 \times 10^4 k/m$$
The value of the temperature gradient in the glass at the water-glass interface in K/m is:
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