For a nozzle-duct system shown in Fig.Q3, the nozzle is designed to produce a Mach number of 2.8 with y = 1.4. The inlet conditions are po1 = 10 bar and To1 = 370 K. The duct is 8 diameters in length, but the duct friction factor is unknown. The receiver pressure is fixed at 3 bar and a normal shock has formed at the duct exit. (a) Determine the friction factor of the duct. (b) What is the total change in entropy for the system? T- 370 K Pne 3 bar Fig.03 -Ar= SD-

Elements Of Electromagnetics
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For a nozzle-duct system shown in Fig.Q3, the nozzle is designed to produce a Mach number of
2.8 with y = 1.4. The inlet conditions are po1 = 10 bar and To1 = 370 K. The duct is 8 diameters in
length, but the duct friction factor is unknown. The receiver pressure is fixed at 3 bar and a
normal shock has formed at the duct exit.
(a) Determine the friction factor of the duct.
(b) What is the total change in entropy for the system?
P- 10 ber
P=3 br
T= 370 K
Fig.Q3
Ar= $D.
Transcribed Image Text:For a nozzle-duct system shown in Fig.Q3, the nozzle is designed to produce a Mach number of 2.8 with y = 1.4. The inlet conditions are po1 = 10 bar and To1 = 370 K. The duct is 8 diameters in length, but the duct friction factor is unknown. The receiver pressure is fixed at 3 bar and a normal shock has formed at the duct exit. (a) Determine the friction factor of the duct. (b) What is the total change in entropy for the system? P- 10 ber P=3 br T= 370 K Fig.Q3 Ar= $D.
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