Atmosphere and Speed - Jet/Gas Turbine Engines
3 important questions on Atmosphere and Speed - Jet/Gas Turbine Engines
Combustion cycle of a jet/gas turbine engine
Induction, compression, combustion, expansion and exhaust
When and where is the gas turbine engine most efficient?
High altitudes and high RPM (90-95%)
At high altitudes this high RPM results in the engines optimum gas flow condition that achieves its best specific fuel consumption.
Increase in altitude constat Mach, what happens to EAS/IAS
It decreases. Drag also varies only with EAS -> high altitude lower EAS -> lower drag
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