With a negligible velocity, air at 900 kPa and 400 K enters a converging nozzle. The nozzle's throat area is 10 cm2 (Figure Q1). Considering and stating the necessary assumptions, (a) calculate the exit pressure, exit velocity, and mass flow rate vs the back pressure Pb for 0.9 ≥ Pb ≥ 0.1 MPa, assuming the flow is isentropic. (b) Plot the graph of the exit pressure, exit velocity, and mass flow rate vs the back pressure Pb. Properties: The properties of air are k = 1.4, R = 0.287 kJ/kg·K, and cp = 1.005 kJ/kg·K. AIRV, = 0Figure Q1.

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Answered: With a negligible velocity, air at 900…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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With a negligible velocity, air at 900 kPa and 400 K enters a converging nozzle. The nozzle's throat area is 10 cm2 (Figure Q1). Considering and stating the necessary assumptions,

(a) calculate the exit pressure, exit velocity, and mass flow rate vs the back pressure Pb for 0.9 ≥ Pb ≥ 0.1 MPa, assuming the flow is isentropic.
(b) Plot the graph of the exit pressure, exit velocity, and mass flow rate vs the back pressure Pb.

Properties: The properties of air are k = 1.4, R = 0.287 kJ/kg·K, and cp = 1.005 kJ/kg·K.

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