A Carnot cycle using 60 kg min of water, is applied to generate electrical power (at the turbine, h3- h2) and heat (at a condenser, h4-h3), between Ph=50 bar and P=1 atm. The heat necessary at the boiler (h2-h1) is obtained from the combustion of methane with excess of air at fractional conversion of methane of xch,= 0.75, giving water in the vapour phase, and under isothermal conditions (no heat is employed to heat the inlet and outlet streams). Calculate, i) The minimum volumetric flows of methane and air at the boiler. ii) The Net Work obtained from the cycle. iii) Percentage of cogeneration that can be achieved in the cycle.

A Carnot cycle using 60 kg min of water, is applied to generate electrical power (at the turbine, h3- h2) and heat (at a condenser, h4-h3), between Ph=50 bar and P=1 atm. The heat necessary at the boiler (h2-h1) is obtained from the combustion of methane with excess of air at fractional conversion of methane of xch,= 0.75, giving water in the vapour phase, and under isothermal conditions (no heat is employed to heat the inlet and outlet streams). Calculate, i) The minimum volumetric flows of methane and air at the boiler. ii) The Net Work obtained from the cycle. iii) Percentage of cogeneration that can be achieved in the cycle.

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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