6.1 A surface con outlets. A por incoming steam the air extract temperature. TI steam at 36.2°C and at the air e: and vapour leav pressure throug 6.1.1 the ma 6.1.2 the m

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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ercise 6
6.1 A surface condenser is fitted with separate air and condensate
outlets. A portion of the cooling surface is screened from the
incoming steam and the air is passes over these screened tubes to
the air extraction and becomes cooled below the condensate
temperature. The condenser receives 20 000kg/hr of dry saturated
steam at 36.2°C. At the condensate outlet the temperature is 34.6°C TK
and at the air extraction the temperature is 29°C. The volume of air
and vapour leaving the condenser is 3.8m3/min. Assume constant
pressure throughout the condenser, calculate:
6.1.1 the mass of air removed per 10 000kg of steam (2.63kg);
6.1.2 the mass of steam condensed in the air cooler per
minute (0.5kg/min)%3B
6.1.3 the heat rejected to the cooling water (13451kW).
Transcribed Image Text:ercise 6 6.1 A surface condenser is fitted with separate air and condensate outlets. A portion of the cooling surface is screened from the incoming steam and the air is passes over these screened tubes to the air extraction and becomes cooled below the condensate temperature. The condenser receives 20 000kg/hr of dry saturated steam at 36.2°C. At the condensate outlet the temperature is 34.6°C TK and at the air extraction the temperature is 29°C. The volume of air and vapour leaving the condenser is 3.8m3/min. Assume constant pressure throughout the condenser, calculate: 6.1.1 the mass of air removed per 10 000kg of steam (2.63kg); 6.1.2 the mass of steam condensed in the air cooler per minute (0.5kg/min)%3B 6.1.3 the heat rejected to the cooling water (13451kW).
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