(Solution) - A 1 m3 insulated tank contains air at 1 MPa 560 K The tank -(2025 Original AI-Free Solution)

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A 1-m3 insulated tank contains air at 1 MPa, 560 K. The tank is now discharged through a small convergent nozzle to the atmosphere at 100 kPa. The nozzle has an exit area of 2 ??10?5 m2.
a. Find the initial mass flow rate out of the tank.
b. Find the mass flow rate when half the mass has been discharged.
c. Find the mass of air in the tank and the mass flow rate out of the tank when the nozzle flow changes to become subsonic.