PBAN Study guides, Class notes & Summaries
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Propulsion Final conceptual questions|2023 LATEST UPDATE|GUARANTEED SUCCESS
- Exam (elaborations) • 7 pages • 2023
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Does the thrust of a turbojet engine increase or decrease with altitude? Why? 
The thrust of a turbojet engine decreases with altitude, principally because of the lower air density and hence the lower mass flow rate of air ingested into the engine. 
 
 
 
Does the thrust of a rocket engine increase or decrease with altitude? Why? 
The thrust of a rocket engine increases with altitude, principally because of the decrease in ambient pressure and hence the increase in pressure thrust. 
 
 
 
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