refrigerant plant works between temperature limits of – 5°C (in the evaporator) and 25°C (in the condenser). The working fluid ammonia has a dryness fraction of 0.6 at entry to the compressor. If the machine has a relative efficiency of 50%, calculate the amount of ice formed during a period of 24 hours. The ice is to be formed at 0°C from water at 20°C and 6 kg of ammonia is circulated per minute. Specific heat of water is 4.187 kJ/kg and latent heat of ice is 335 kJ/kg.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A refrigerant plant works between temperature limits of – 5°C (in the evaporator) and 25°C (in the
condenser). The working fluid ammonia has a dryness fraction of 0.6 at entry to the compressor. If the
machine has a relative efficiency of 50%, calculate the amount of ice formed during a period of 24 hours. The ice is to be formed at 0°C from water at 20°C and 6 kg of ammonia is circulated per minute. Specific
heat of water is 4.187 kJ/kg and latent heat of ice is 335 kJ/kg.

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