GATE AE · 2023 · AE
Question 35: Engine Performance
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Question 35
AENAT1 markNeeds review
A supersonic vehicle powered by a ramjet engine is cruising at a speed of 100 m/s. The ramjet engine burns hydrogen in a subsonic combustor to produce thrust. The heat of combustion for hydrogen is 120 MJ/kg. The overall efficiency of the engine
, defined as the ratio of propulsive power to the total heat release in the combustor, is 40%. Taking acceleration due to gravity
m/s
, the specific impulse of the engine is ____________ seconds. (round off to the nearest integer).Log in to check the answer
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2023AE
GATE AE 2023 · Paper 1
Aerospace Engineering · Original paper archive
- Section
- Aerospace Engineering
- Question type
- Numerical answer (NAT)
- Marks
- 1 mark
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