Question

A spherical liquid oxygen tank 0.3 m in diameter is enclosed concentrically in a spherical container of 0.4 m diameter and the space in between is evacuated. The tank surface is at -183°C and has an emissivity 0.2. The container surface is at 15°C and has an emissivity of 0.25. Determine the net radiant heat transfer rate and rate of evaporation of liquid oxygen if its latent heat is 220 kJ/kg.




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Answer 1

Step-by-step explanation:

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Answer 2

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ANSWER

Net radiant heat transfer rate is -16.33 W

Rate of evaporation of liquid oxygen is 0.267 kg/hr