Mathematics · Heat Transfer Calculations
A 14 m diameter spherical tank filled with liquid nitrogen at 1 atm pressure and -196°C is exposed to convection and radiation with the surrounding air at 14°C with an effective combined heat transfer coefficient of 30 W/m2·K. The heat of vaporization and density of liquid nitrogen at 1 atm are 200 kJ/kg and 800 kg/m3 respectively. Find the rate of evaporation of liquid nitrogen in the tank as a result of the heat gain from the surroundings.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 19.7 kg/s
- 219.4 kg/s✓
- 38.1 kg/s
- 416.2 kg/s
Correct answer
19.4 kg/s
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