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Steam at 4 MPa and 4008C enters a nozzle steadily with a
Chapter 5, Problem 538(choose chapter or problem)
Steam at 4 MPa and 4008C enters a nozzle steadily with a velocity of 60 m/s, and it leaves at 2 MPa and 3008C. The inlet area of the nozzle is 50 cm2 , and heat is being lost at a rate of 75 kJ/s. Determine (a) the mass flow rate of the steam, (b) the exit velocity of the steam, and (c) the exit area of the nozzle.
Questions & Answers
QUESTION:
Steam at 4 MPa and 4008C enters a nozzle steadily with a velocity of 60 m/s, and it leaves at 2 MPa and 3008C. The inlet area of the nozzle is 50 cm2 , and heat is being lost at a rate of 75 kJ/s. Determine (a) the mass flow rate of the steam, (b) the exit velocity of the steam, and (c) the exit area of the nozzle.
ANSWER:Step 1 of 6
Steam is accelerated in a nozzle from a velocity of . The mass flow rate, the exit velocity, and the exit area of the nozzle are to be determined.
Assumptions are
1. This is a steady-flow process since there is no change with time.
2. Potential energy changes are negligible.
3. There are no work interactions.