Steam flows steadily through a turbine at a rate of 45,000 lbm/h, entering at 1000 psia and 900°F and leaving at 5 psia as saturated vapor. If the power generated by the turbine is 4 MW, determine the rate of heat loss from the steam.
Added by Rachel D.
Step 1
First, we need to find the enthalpy at the inlet and outlet of the turbine. We can use the steam tables to find these values. For the inlet (state 1), we have: Pressure, P1 = 1000 psia Temperature, T1 = 900°F From the steam tables, we find the enthalpy at the Show more…
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'A turbine. operating under steady-flow conditions. receives (4500 kg) of steam per hour. The steam enters the turbine at velocity of (2800 m min). an elevation of (5.5 m) and specific enthalpy of (2800 kJkg) It leaves the turbine at a velocity of (5600 m min) . an elevation of (1 5 m) and specific enthalpy of (2300 kJg) Heat losses from the turbine t0 the surroundings amout to (16000 kJh) Determine the power output of the turbine'
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