2.1 2.2 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

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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QUESTION 2

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2.1
2.2
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
Transcribed Image Text:2.1 2.2 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
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.
2
111
3
HP
Т
LP
LOAD
80 kW
Transcribed Image Text: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. 2 111 3 HP Т LP LOAD 80 kW
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