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Instead, assume variable specific heat A gas-turbine power plant operates on the simpleBrayton cycle between the pressure limits of 100 and 800 kPa.Air enters the compressor at 308C and leaves at 3308C at amass flow rate of 200 kg/s. The maximum cycle temperatureis 1400 K. During operation of the cycle, the net power outputis measured experimentally to be 60 MW. Assume constantproperties for air at 300 K with cv 5 0.718 kJ/kg·K, cp 51.005 kJ/kg·K, R 5 0.287 kJ/kg·K, k 5 l.4.(a) Sketch the T-s diagram for the cycle.(b) Determine the isentropic efficiency of the turbine forthese operating conditions.(c) Determine the cycle thermal efficiency.

Instead, assume variable specific heat A gas-turbine power plant operates on the simpleBrayton cycle between the pressure limits of 100 and 800 kPa.Air enters the compressor at 308C and leaves at 3308C at amass flow rate of 200 kg/s. The maximum cycle temperatureis 1400 K. During operation of the cycle, the net power outputis measured experimentally to be 60 MW. Assume constantproperties for air at 300 K with cv 5 0.718 kJ/kg·K, cp 51.005 kJ/kg·K, R 5 0.287 kJ/kg·K, k 5 l.4.(a) Sketch the T-s diagram for the cycle.(b) Determine the isentropic efficiency of the turbine forthese operating conditions.(c) Determine the cycle thermal efficiency.

Elements Of Electromagnetics
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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Instead, assume variable specific heat

A gas-turbine power plant operates on the simple
Brayton cycle between the pressure limits of 100 and 800 kPa.
Air enters the compressor at 308C and leaves at 3308C at a
mass flow rate of 200 kg/s. The maximum cycle temperature
is 1400 K. During operation of the cycle, the net power output
is measured experimentally to be 60 MW. Assume constant
properties for air at 300 K with cv 5 0.718 kJ/kg·K, cp 5
1.005 kJ/kg·K, R 5 0.287 kJ/kg·K, k 5 l.4.
(a) Sketch the T-s diagram for the cycle.
(b) Determine the isentropic efficiency of the turbine for
these operating conditions.
(c) Determine the cycle thermal efficiency.

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