rom the production well at a rate of 220 kg/s and is flashed to a pressure of 500 kPa. The condenser pressure is 10 kPa. The liquid exiting the separator passes through a heat exchanger that serves as the heat source in a binary cycle that uses isobutane. The geothermal liquid exits the heat exchanger at 90oC. Isobutane en
rom the production well at a rate of 220 kg/s and is flashed to a pressure of 500 kPa. The condenser pressure is 10 kPa. The liquid exiting the separator passes through a heat exchanger that serves as the heat source in a binary cycle that uses isobutane. The geothermal liquid exits the heat exchanger at 90oC. Isobutane en
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Question
In a combined flash-binary geothermal power plant, saturated liquid at 230 C is
withdrawn from the production well at a rate of 220 kg/s and is flashed to a pressure of 500 kPa.
The condenser pressure is 10 kPa. The liquid exiting the separator passes through a heat exchanger
that serves as the heat source in a binary cycle that uses isobutane. The geothermal liquid exits the
heat exchanger at 90oC. Isobutane enters the turbine at 3.25 MPa and 145 C and leaves at 400 kPa
and 80oC. Sketch the schematic and T-s diagrams. Also, determine the thermal efficiency of the
combined geothermal power plant.
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