A steam generation unit in power plant operates at a constant pressure of (10 bar) and the water evaporates at the rate of (0.9 from the total mass flow rate of water). Inlet and leaving water enthalpy are (200 kJ/kg) and (2000 kJ/kg) respectively. The inlet and outlet velocity are (10 m/s) and (25 m/s) respectively. If 80% of the heat energy supplied to the steam generation unit is used in evaporating the fluid. Determine the heat evaporation and work done if the inlet and outlet diameter are the same level. The fuel produces 28000 kJ of heat energy for one kg and the mass flow rate of water is 1000 kg/h.

A steam generation unit in power plant operates at a constant pressure of (10 bar) and the water evaporates at the rate of (0.9 from the total mass flow rate of water). Inlet and leaving water enthalpy are (200 kJ/kg) and (2000 kJ/kg) respectively. The inlet and outlet velocity are (10 m/s) and (25 m/s) respectively. If 80% of the heat energy supplied to the steam generation unit is used in evaporating the fluid. Determine the heat evaporation and work done if the inlet and outlet diameter are the same level. The fuel produces 28000 kJ of heat energy for one kg and the mass flow rate of water is 1000 kg/h.

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter10: Heat Exchangers

Section: Chapter Questions

Problem 10.17P

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