7. An underexpanded converging-diverging nozzle has throat and exit cross-sectional areas of 0.001 m² and 0.004235 m², respectively, as shown in the figure. Air is supplied from a large reservoir, where the pressure and the temperature are 1500 kPa and 500 K, respectively. If the back pressure is 30 kPa, determine the Mach number, temperature, and direction of the flow at the downstream of the expansion fan. (Ans. 3.21, 163.4 K, 3.89⁰) p2 = 30 kPa

Q: Air at 26 psia, 320°F, and Mach number Ma = 0.7 flows through a duct. Calculate the velocity and the…

A:

Q: An ideal nitrogen gas enters an adiabatic diffuser at 178 kPa, 280.15 oK and 275 m/s, and it leaves…

A:

Q: Outside air at a temperature of 25°C is drawn into the duct and then heated along the duct at 234…

A: According to the given data T01=25oC Q=234 kJ/kg T1=15oC P=98 kPa   We need to find The Mach number…

Q: Determine the Mach number at section 2. Express your answer using three significant figures. 195]…

A: To find:the Mach number.

Q: Consider subsonic Rayleigh flow that is accelerated to sonic velocity (Ma = 1) at the duct exit by…

A: The given subsonic Rayleigh flow is accelerated by supplying heat to the fluid flow at the duct…

Q: A jet engine is to be designed for an altitude of 12,000 m, where the atmospheric pressure is 19.3…

A:

Q: verging-diverging nozzle of ave occurs at the exit plane

A: Determine the value of pressure and temperature before the shock.

Q: 5. An experimental centrifugal compressor is fitted with free-vortex guide vanes in order to reduce…

A:

Q: Nitrogen enters a duct with varying flow area at 400 K, 100 kPa, and a Mach number of 0.5. Assuming…

A: Given data: The temperature at the inlet of the duct, T1 = 400 K. The pressure at the inlet of the…