A single flash geothermal steam power plant is operating at maximum turbine power output with a geofluid flowing from th

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A single flash geothermal steam power plant is operating at
maximum turbine power output with a geofluid flowing from the
production well at 250 °C. The mass flow of entering the adiabatic
separator is 70 kg/s. The exit pressure of the steam turbine is 15
kPa. The turbine isentropic efficiency is 90 %. Neglecting the pump
work, calculate: 1. The steam quality at the turbine exit 2. The
mass flow rate at the turbine exit 3. The turbine output power 4.
The reinjection well temperature
We have to find p at separator in some way and I think the key
word is adiabatic