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A converging nozzle expands air (R=287 J/kgK, k=1.4) and works with the following boundary conditions.: P,=3 b. T,-350 K, P2= 1 bar. The air velocity at the nozzle outlet, c is: O (a) 375.0 m/s O (b) 320.5 m/s 759 OC) 435.2 m/s 262751 O (d) 342.3 m/s

A converging nozzle expands air (R=287 J/kgK, k=1.4) and works with the following boundary conditions.: P,=3 b. T,-350 K, P2= 1 bar. The air velocity at the nozzle outlet, c is: O (a) 375.0 m/s O (b) 320.5 m/s 759 OC) 435.2 m/s 262751 O (d) 342.3 m/s

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
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A converging nozzle expands air (R=287 J/kgK, k=1.4) and works with the following boundary conditions: p,-3 bar, T-350 K, p,1 bar. The air velocity at the nozzle outlet, c is: egna O (a) 375.0 m/s 759 O (b) 320.5 m/s 02751 (C) 435.2 m/s O (d) 342.3 m/s
Transcribed Image Text:A converging nozzle expands air (R=287 J/kgK, k=1.4) and works with the following boundary conditions: p,-3 bar, T-350 K, p,1 bar. The air velocity at the nozzle outlet, c is: egna O (a) 375.0 m/s 759 O (b) 320.5 m/s 02751 (C) 435.2 m/s O (d) 342.3 m/s
A system is composed by two nozzles in series, which expand air (R=287 J/kgK, k=1.4). The upstream conditions of the first nozzle are: p, = 7.5 bar, T, = first nozzle there is an infinite capacity, in which p, = 1.4 bar. The second nozzle is fed by the capacity and discharges the flow at Pa 450 K, c,=120 m/s. Downstream of the = 1 bar. Both nozzles work in design conditions. The throat area of the first nozzle is A,=14 cm". Determine: The mass-flow rate through the system; The outlet area, Au and the outlet velocity, coutr from the second nozzle.
Transcribed Image Text:A system is composed by two nozzles in series, which expand air (R=287 J/kgK, k=1.4). The upstream conditions of the first nozzle are: p, = 7.5 bar, T, = first nozzle there is an infinite capacity, in which p, = 1.4 bar. The second nozzle is fed by the capacity and discharges the flow at Pa 450 K, c,=120 m/s. Downstream of the = 1 bar. Both nozzles work in design conditions. The throat area of the first nozzle is A,=14 cm". Determine: The mass-flow rate through the system; The outlet area, Au and the outlet velocity, coutr from the second nozzle.
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