Mechanical Engineering - Thermodynamics - Discussion

Discussion Forum : Thermodynamics - Section 1 (Q.No. 3)
3.
The efficiency and work ratio of a simple gas turbine cycle are
low
very low
high
very high
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
34 comments Page 1 of 4.

BMS said:   6 years ago
How to differentiate between low and very low? Please explain it to know.
(5)

Himanshu Suwalka said:   4 years ago
Maximum power turbine is consumed by compressor itself and also air is working Media so max Power loss.
(3)

Hemesh Kumar said:   8 years ago
Because, efficiency = 1- (heat reject / heat supply) in case of simple gas turbine.
(1)

Manigandan said:   1 decade ago
70% of the power produced by the turbine is used to run the compressor itself.
(1)

Chauhan Hardik N. said:   9 years ago
I think that, since the specific volume (reciprocal of density) of air is high, the compression of air requires more work.

Hence, the major fraction of the work developed by the turbine is utilized in driving the compressor.

Therefore, the efficiency of the simple gas turbine plant is too low.
(1)

Sa0 said:   8 years ago
Work ratio is just the fraction or percentage of the work that the turbine produces that is consumed by the pump.
(1)

Majd-amer said:   7 years ago
Half and more the power produced by the turbine is used to complete motion in the compressor.
(1)

Vishal kadam said:   7 years ago
Maximum power turbine is consumed by compressor itself and also air is working Media so max Power loss.

Hemesh Kumar said:   8 years ago
Since efficiency is a function of pressure ratio in simple gas turbine (braton, joule) cycle.

Biswaranjan Biswal said:   10 years ago
It is the ratio of net work/turbine work. Net work equal to turbine work-comp work.


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