Air is heated as it flows subsonically through a duct.
Chapter 17, Problem 105P(choose chapter or problem)
Problem 105P
Air is heated as it flows subsonically through a duct. When the amount of heat transfer reaches 67 kJ/kg, the flow is observed to be choked, and the velocity and the static pressure are measured to be 680 m/s and 270 kPa. Disregarding frictional losses, determine the velocity, static temperature, and static pressure at the duct inlet.
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