3 kg/s of steam enters an adiabatic condenser at a pressure of 100 kPa with dryness fraction 0.80, and the condensate leaves the condenser at a temperature of 30°C. The condenser is cooled by water which enters at a temperature of 5°C and leaves at a temperature of 25°C. Calculate the mass flow rate of cooling water required if all changes in kinetic and potential energy may be neglected. Assume Cp = 4.2 kJ/kgK, and the enthalpy at 100 kPa & 30°C = 125 kJ/kg. V h, h, V. s, (kPa) (°C) (m?/kg) (m²/kg) (kJ/kg) (kJ/kg) (kJ/kg.K) (kJ/kg.K) 100 99.63 0.00104 1.694 417.46 2,676 1.3026 7.3594

3 kg/s of steam enters an adiabatic condenser at a pressure of 100 kPa with dryness fraction 0.80, and the condensate leaves the condenser at a temperature of 30°C. The condenser is cooled by water which enters at a temperature of 5°C and leaves at a temperature of 25°C. Calculate the mass flow rate of cooling water required if all changes in kinetic and potential energy may be neglected. Assume Cp = 4.2 kJ/kgK, and the enthalpy at 100 kPa & 30°C = 125 kJ/kg. V h, h, V. s, (kPa) (°C) (m?/kg) (m²/kg) (kJ/kg) (kJ/kg) (kJ/kg.K) (kJ/kg.K) 100 99.63 0.00104 1.694 417.46 2,676 1.3026 7.3594

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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