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HW30solution - AAE 334, Fall 2011 Homework 30 SOLUTIONS Due...

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AAE 334, Fall 2011 Homework 30 SOLUTIONS Due Friday, December 2, beginning of class. Air flows through a converging diverging nozzle in a steady flow. The air entering the nozzle has stagnation conditions psi p o 150 and R T o 500 . 1. The flow upstream of the throat is subsonic. At a certain axial position in the converging section of the nozzle, the Mach number is 0.3 and the cross-sectional area is 1 square inch. Find the mass flow and momentum flow through this cross section. 2. The throat is choked and at a cross section downstream of the throat, the area is 1.6 times the throat area. Find the mass flow and momentum flow through this cross section for: a. Subsonic flow b. Supersonic flow Preliminaries: Mass flow is uA m and momentum flow is A u L 2 . Stagnation density is 2 1 1 2 12 500 1716 150 ft in R R slug lb ft in lb RT p o o o o o or 3 3 025 . 0 500
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This note was uploaded on 02/21/2012 for the course AAE 334 taught by Professor Collicott during the Fall '09 term at Purdue.

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HW30solution - AAE 334, Fall 2011 Homework 30 SOLUTIONS Due...

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