Q18 - higher backpressure than ideal(resulting in oblique shocks in the exit plane At high altitudes(or in space they typicallly see a lower back

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Chapter 6, Question 1: Rocket Nozzle Performance
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Chapter 6, Question 1 Answer: The correct answer is 2) or 3) A nozzle designed for low altitude (high back pressure) will not produce as much thrust at high altitude (low back pressure) as a nozzle specifically designed for low back pressure. As a result, rocket nozzles for launch vehicles are typically designed to operate best at an intermediate pressure. Thus at launch, they see a
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Unformatted text preview: higher backpressure than ideal (resulting in oblique shocks in the exit plane). At high altitudes (or in space) they typicallly see a lower back pressure than ideal. For these conditions, the flow continues to expand upon leaving the nozzle resulting in an expansion fan. Class performance (2003): Class performance (2001):...
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This note was uploaded on 01/28/2012 for the course AERO 16.01 taught by Professor Markdrela during the Fall '05 term at MIT.

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Q18 - higher backpressure than ideal(resulting in oblique shocks in the exit plane At high altitudes(or in space they typicallly see a lower back

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