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Turbines, ExpandersA small expander (a turbine with heat
Chapter 4, Problem 49HP(choose chapter or problem)
QUESTION:
Problem 49HP
Turbines, Expanders
A small expander (a turbine with heat transfer) has 0.05 kg/s helium entering at 1000 kPa, 550 K and leaving at 250 kPa, 300 K. The power output on the shaft measures 55kW. Find the rate of heat transfer, neglecting kinetic energies.
Questions & Answers
QUESTION:
Problem 49HP
Turbines, Expanders
A small expander (a turbine with heat transfer) has 0.05 kg/s helium entering at 1000 kPa, 550 K and leaving at 250 kPa, 300 K. The power output on the shaft measures 55kW. Find the rate of heat transfer, neglecting kinetic energies.
ANSWER:
Solution 49HP
Step 1 of 3
The objective here is to determine the rate of heat transfer in a small expander under the given conditions.