Please don't copy and fast Task 2.2A large pressure vessel contains air in state 1 (pi = 3 bar, T1 = 360 K, c1 = 0 m/s). The air flowsstationary through an adiabatic laval nozzle (7:D = 0.9) connected to a tank and leaves the nozzle(state 2: p2 = 1 bar, cross-sectional area 42 = 0.1 m²) at supersonic velocity. The air (molar massM= 28.96 g/mol) can be considered an ideal gas with a constant isentropic exponent x = 1.4.a) Determine the air mass flow through the nozzle.b) Determine the minimum temperature to which the air in the container must beheated up if the temperature of the air at the nozzle outlet has to be kept higherthan T2 = 290 K. The pressures pi = 3 bar and p2 = 1 bar remain unchanged.c) Determine the entropy change for the cases a) and b) and give a short explanationfor the result.

Given: At state 1p1=3 barT1=360 Kc1=0 m/sηsD=0.9State 2:p2=1 barA2=0.1 m2

Task 2.2 A large pressure vessel contains air in state 1 (pi = 3 bar, T1 = 360 K, c1 = 0 m/s). The air flows stationary through an adiabatic laval nozzle (7:D = 0.9) connected to a tank and leaves the nozzle (state 2: p2 = 1 bar, cross-sectional area 42 = 0.1 m²) at supersonic velocity. The air (molar mass M= 28.96 g/mol) can be considered an ideal gas with a constant isentropic exponent x = 1.4. a) Detemine the air mass flow through the nozzle. b) Determine the minimum temperature to which the air in the container must be heated up if the temperature of the air at the nozzle outlet has to be kept higher than T2 = 290 K. The pressures pi = 3 bar and p2 = 1 bar remain unchanged. c) Determine the entropy change for the cases a) and b) and give a short explanation for the result.

Task 2.2 A large pressure vessel contains air in state 1 (pi = 3 bar, T1 = 360 K, c1 = 0 m/s). The air flows stationary through an adiabatic laval nozzle (7:D = 0.9) connected to a tank and leaves the nozzle (state 2: p2 = 1 bar, cross-sectional area 42 = 0.1 m²) at supersonic velocity. The air (molar mass M= 28.96 g/mol) can be considered an ideal gas with a constant isentropic exponent x = 1.4. a) Detemine the air mass flow through the nozzle. b) Determine the minimum temperature to which the air in the container must be heated up if the temperature of the air at the nozzle outlet has to be kept higher than T2 = 290 K. The pressures pi = 3 bar and p2 = 1 bar remain unchanged. c) Determine the entropy change for the cases a) and b) and give a short explanation for the result.

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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