5) The McDonnell Dauglas F-15 Eagle has a convergent -divergent duct exhaust system. Assuming the exhaust product as air and flowing isentropically through the duct as shown in Fig. for Q.7(b). Compute To, Ma, Po, A* and m. If the area at section 2 is 0.036 m², Compute Maand P₂ if the flow is subsonic or supersonic. Take k-1.4. A₁ = 0.05 m ₁ = 180 m/s P₁= 500 k T₁ = 470 K. Subsonic I 2 Throat 2F Possibly Supersonic A₂ = 0.036 m Fig-for & 7 (b)

Elements Of Electromagnetics
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(b) The McDonnell Dauglas F-15 Eagle has a convergent -divergent duct exhaust system.
Assuming the exhaust product as air and flowing isentropically through the duct as shown
in Fig. for Q.7(b). Compute To, Mar, Po, A* and m. If the area at section 2 is 0.036 m²,
Compute Maand P₂if the flow is subsonic or supersonic. Take k=1.4.
Subsonic
A₁ = 0.05m
₁ =180 m/s
P₁ = 500 k
T₁ = 470K.
20
Throat
2F
2fi
Possibly
Supersonic
A₂ = 0.036 m²
Fig-for & 7(b)
Transcribed Image Text:(b) The McDonnell Dauglas F-15 Eagle has a convergent -divergent duct exhaust system. Assuming the exhaust product as air and flowing isentropically through the duct as shown in Fig. for Q.7(b). Compute To, Mar, Po, A* and m. If the area at section 2 is 0.036 m², Compute Maand P₂if the flow is subsonic or supersonic. Take k=1.4. Subsonic A₁ = 0.05m ₁ =180 m/s P₁ = 500 k T₁ = 470K. 20 Throat 2F 2fi Possibly Supersonic A₂ = 0.036 m² Fig-for & 7(b)
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