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# A binary geothermal power plant uses geothermal water at

ISBN: 9780073398174 171

## Solution for problem 1025 Chapter 10

Thermodynamics: An Engineering Approach | 8th Edition

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Thermodynamics: An Engineering Approach | 8th Edition

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Problem 1025

A binary geothermal power plant uses geothermal water at 1608C as the heat source. The cycle operates on the simple Rankine cycle with isobutane as the working fluid. Heat is transferred to the cycle by a heat exchanger in which geothermal liquid water enters at 1608C at a rate of 555.9 kg/s and leaves at 908C. Isobutane enters the turbine at 3.25 MPa and 1478C at a rate of 305.6 kg/s, and leaves at 79.58C and 410 kPa. Isobutane is condensed in an air-cooled condenser and pumped to the heat exchanger pressure. Assuming the pump to have an isentropic efficiency of 90 percent, determine (a) the isentropic efficiency of the turbine, (b) the net power output of the plant, and (c) the thermal efficiency of the cycle. The properties of isobutane may be obtained from EES.

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##### ISBN: 9780073398174

Since the solution to 1025 from 10 chapter was answered, more than 281 students have viewed the full step-by-step answer. The full step-by-step solution to problem: 1025 from chapter: 10 was answered by , our top Engineering and Tech solution expert on 12/23/17, 04:44PM. This full solution covers the following key subjects: . This expansive textbook survival guide covers 17 chapters, and 2657 solutions. This textbook survival guide was created for the textbook: Thermodynamics: An Engineering Approach, edition: 8. The answer to “A binary geothermal power plant uses geothermal water at 1608C as the heat source. The cycle operates on the simple Rankine cycle with isobutane as the working fluid. Heat is transferred to the cycle by a heat exchanger in which geothermal liquid water enters at 1608C at a rate of 555.9 kg/s and leaves at 908C. Isobutane enters the turbine at 3.25 MPa and 1478C at a rate of 305.6 kg/s, and leaves at 79.58C and 410 kPa. Isobutane is condensed in an air-cooled condenser and pumped to the heat exchanger pressure. Assuming the pump to have an isentropic efficiency of 90 percent, determine (a) the isentropic efficiency of the turbine, (b) the net power output of the plant, and (c) the thermal efficiency of the cycle. The properties of isobutane may be obtained from EES.” is broken down into a number of easy to follow steps, and 136 words. Thermodynamics: An Engineering Approach was written by and is associated to the ISBN: 9780073398174.

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A binary geothermal power plant uses geothermal water at