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Answer all questions 1. A convergent-divergent nozzle expands air at 6.89 bar and 427°C into a space at 1 bar. The throat area of the nozzle is 650 mm and the exit area is 975 mm². the exit velocity is found to be 680 m/s when the inlet velocity is negligible. Assuming that friction in convergent portion is negligible, calculate : [CLO 2:C4] i) critical pressure ii) critical temperature iii) critical velocity iv) the mass flow through the nozzle

Answer all questions 1. A convergent-divergent nozzle expands air at 6.89 bar and 427°C into a space at 1 bar. The throat area of the nozzle is 650 mm and the exit area is 975 mm². the exit velocity is found to be 680 m/s when the inlet velocity is negligible. Assuming that friction in convergent portion is negligible, calculate : [CLO 2:C4] i) critical pressure ii) critical temperature iii) critical velocity iv) the mass flow through the nozzle

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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MECHANICAL ENGINEERING DEPARTMENT TOPIC 4,5 & 6 ( 1 HOUR) Answer all questions 1. A convergent-divergent nozzle expands air at 6.89 bar and 427°C into a space at 1 bar. The throat area of the nozzle is 650 mm² and the exit area is 975 mm². the exit velocity is found to be 680 m/s when the inlet velocity is negligible. Assuming that friction in convergent portion is negligible, calculate : [CLO 2:C4] i) critical pressure ii) critical temperature iii) critical velocity iv) the mass flow through the nozzle
Transcribed Image Text:MECHANICAL ENGINEERING DEPARTMENT TOPIC 4,5 & 6 ( 1 HOUR) Answer all questions 1. A convergent-divergent nozzle expands air at 6.89 bar and 427°C into a space at 1 bar. The throat area of the nozzle is 650 mm² and the exit area is 975 mm². the exit velocity is found to be 680 m/s when the inlet velocity is negligible. Assuming that friction in convergent portion is negligible, calculate : [CLO 2:C4] i) critical pressure ii) critical temperature iii) critical velocity iv) the mass flow through the nozzle
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