Question 2 The figure below shows a gas turbine which draws in air from the atmosphere at 1 bar and 10 °C and compresses it to 5 bar with an isentropic efficiency of 80%. The air is heated to 1200 K at constant pressure and then expanded through two stages in series back to 1 bar. The high-pressure turbine is connected to the compressor and produces enough power to drive it. The low-pressure turbine is connected to an external load and produces 80 kW of power. The isentropic efficiency is 85% for both stages. Take Cp = 1.005 kJ/kgK and y = 1.4 for the compression process, and Cp = 1.149 kJ/kgk and y = 1.333 for the expansion process.

Question 2 The figure below shows a gas turbine which draws in air from the atmosphere at 1 bar and 10 °C and compresses it to 5 bar with an isentropic efficiency of 80%. The air is heated to 1200 K at constant pressure and then expanded through two stages in series back to 1 bar. The high-pressure turbine is connected to the compressor and produces enough power to drive it. The low-pressure turbine is connected to an external load and produces 80 kW of power. The isentropic efficiency is 85% for both stages. Take Cp = 1.005 kJ/kgK and y = 1.4 for the compression process, and Cp = 1.149 kJ/kgk and y = 1.333 for the expansion process.

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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QUESTION 2

Kindly answer correctly. Please show the necessary steps. Thanks in advance.

2.1
2.2
2
111
3
HP
LP
T
LOAD
80 kW
Figure Q2: Schematic diagram of a gas turbine cycle
draw the T-S diagram for the cycle
Neglecting any increase in mass due to the addition of fuel for burning, calculate
2.2.1 the mass flow of air, and
2.2.2 the cycle efficiency

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