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A static thrust stand as sketched in the figure shown is used for testing a jet engine. The following conditions are known for a typical test: the fuel enters at a flow rate of 5 kg/s with approximate zero velocity. Intake air velocity is 215 m/s and exhaust gas velocity is 500 m/s; intake cross-sectional area is 1.2 m^2; intake static gauge pressure -30 kPa; intake air density is 0.9 kg/m^3 and exhaust static temperature 800 K; exhaust static pressure 0 kPa. If the atmospheric pressure is 100 kPa, the constant for air and gas is R= 287 /(kg. K). The exhaust area in m^2 is: Control volume Fuel inlet Select one: Patr a. 1.07 P1 b. 1.09 O c. 1.04 Section (2) Section (1)

A static thrust stand as sketched in the figure shown is used for testing a jet engine. The following conditions are known for a typical test: the fuel enters at a flow rate of 5 kg/s with approximate zero velocity. Intake air velocity is 215 m/s and exhaust gas velocity is 500 m/s; intake cross-sectional area is 1.2 m^2; intake static gauge pressure -30 kPa; intake air density is 0.9 kg/m^3 and exhaust static temperature 800 K; exhaust static pressure 0 kPa. If the atmospheric pressure is 100 kPa, the constant for air and gas is R= 287 /(kg. K). The exhaust area in m^2 is: Control volume Fuel inlet Select one: Patr a. 1.07 P1 b. 1.09 O c. 1.04 Section (2) Section (1)

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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solve the following required 

A)The exhaust area in m^2 ?

B)The exhaust gas density in kg/m^3 ?

A static thrust stand as sketched in the figure shown is used for testing a jet engine. The following conditions are known for a typical test: the fuel enters at a flow rate of 5 kg/s with approximate zero velocity. Intake air velocity is 215 m/s and exhaust gas velocity is 500 m/s; intake cross-sectional area is 1.2 m^2; intake static gauge pressure -30 kPa; intake air density is 0.9 kg/m^3 and exhaust static temperature 800 K; exhaust static pressure 0 kPa. If the atmospheric pressure is 100 kPa, the constant for air and gas is R= 287 J/(kg. K). The exhaust area in m^2 is: Control volume Fuel inlet Select one: Patr a. 1.07 P2 U2 P1 O b. 1.09 c. 1.04 Section (2) Section (1)
Transcribed Image Text:A static thrust stand as sketched in the figure shown is used for testing a jet engine. The following conditions are known for a typical test: the fuel enters at a flow rate of 5 kg/s with approximate zero velocity. Intake air velocity is 215 m/s and exhaust gas velocity is 500 m/s; intake cross-sectional area is 1.2 m^2; intake static gauge pressure -30 kPa; intake air density is 0.9 kg/m^3 and exhaust static temperature 800 K; exhaust static pressure 0 kPa. If the atmospheric pressure is 100 kPa, the constant for air and gas is R= 287 J/(kg. K). The exhaust area in m^2 is: Control volume Fuel inlet Select one: Patr a. 1.07 P2 U2 P1 O b. 1.09 c. 1.04 Section (2) Section (1)
A static thrust stand as sketched in the figure shown is used for testing a jet engine. The following conditions are known for a typical test: the fuel enters at a flow rate of 5 kg/s with approximate zero velocity. Intake air velocity is 215 m/s and exhaust gas velocity is 500 m/s; intake cross-sectional area is 1.2 m^2; intake static gauge pressure -30 kPa; intake air density is 0.9 kg/m^3 and exhaust static temperature 800 K; exhaust static pressure 0 kPa. If the atmospheric pressure is 100 kPa, the constant for air and gas is R= 287 J/(kg. K). The exhaust gas density in kg/m^3 is: Control volume Fuel inlet Select one: Patm a. 0.44 P2 U2 P1 O b. 0.84 O c. 1.00 Section (2) Section (1)
Transcribed Image Text:A static thrust stand as sketched in the figure shown is used for testing a jet engine. The following conditions are known for a typical test: the fuel enters at a flow rate of 5 kg/s with approximate zero velocity. Intake air velocity is 215 m/s and exhaust gas velocity is 500 m/s; intake cross-sectional area is 1.2 m^2; intake static gauge pressure -30 kPa; intake air density is 0.9 kg/m^3 and exhaust static temperature 800 K; exhaust static pressure 0 kPa. If the atmospheric pressure is 100 kPa, the constant for air and gas is R= 287 J/(kg. K). The exhaust gas density in kg/m^3 is: Control volume Fuel inlet Select one: Patm a. 0.44 P2 U2 P1 O b. 0.84 O c. 1.00 Section (2) Section (1)
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