It is proposed to power a monorail car by a pulsejet. A net propulsive thrust of (5350
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It is proposed to power a monorail car by a pulsejet. A net propulsive thrust of \(5350 \mathrm{~N}\) is required when traveling at a speed of \(210 \mathrm{~km} / \mathrm{h}\). The gases leave the engine with an average velocity of \(350 \mathrm{~m} / \mathrm{s}\). Assume that pressure equilibrium exists at the outlet plane and neglect the weight of fuel added.
(a) Compute the mass flow rate required.
(b) What inlet area is necessary, assuming that no spillage occurs? (Assume \(16^{\circ} \mathrm{C}\) and \(1 \mathrm{~atm}\).)
(c) What is the thrust power?
(d) What is the propulsive efficiency?
(e) How much energy is added to the air as it passes through the engine if the outlet temperature is \(980^{\circ} \mathrm{C}\) ?
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SOLUTION a Given Thrust 5350 N Exhaust velocity 350 ms Plane velocity 2...View the full answer
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Related Book For 
Fundamentals Of Gas Dynamics
ISBN: 9781119481690
3rd Edition
Authors: Robert D Zucker, Oscar Biblarz
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