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1
describe the basic principles of aircraft propulsion using simple equations..?


2
describe the purpose of three sections of a Gas Turbine Engine..?

m3
Explain the working cycle of Gas Turbine engine and the realationship between pressure,and velocity and volume and temperature..?

[libyan-ame]

Q1
describe the basic principles of aircraft propulsion using simple equations

the propulsion depends on the mass flow rate and the air velocity, where we can say

P= m (Vo - Vi), where
m= the mass flow rate
Vo= the velocity of exhoust
Vi= the velocity of inlet

[libyan-ame]

Q2
describe the purpose of three sections of a Gas Turbine Engine

the compressor
It is used to compress the air, which increases the inlet air pressure through the compressor stages, it is known as a cold section

the Compustion chamber
Where the fuel-air mixture is burned and paeesd to the turbine

the turbine
It is used to preduce a high velocity exit

[libyan-ame]

Q3
Explain the working cycle of Gas Turbine engine and the realationship between pressure,and velocity and volume and temperature

in compressor
P inlet less then P comp
V inlet higher than V comp
with P increase in the Compressor T increase / V decrease

in CC
P & V constant
T increase with increase in Volume

turbine
P & T decrease
V increase

https://www.flyingway.com/vb/showthre...127#post424127

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