Performance analysis of the Chena binary geothermal power plant

Aneke, Mathew, Agnew, Brian and Underwood, Chris (2011) Performance analysis of the Chena binary geothermal power plant. Applied Thermal Engineering, 31 (10). pp. 1825-1832. ISSN 1873-5606

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Official URL: http://dx.doi.org/10.1016/j.applthermaleng.2011.02...

Abstract

In this paper, the IPSEpro model of the Chena Geothermal ORC Power Plant had been developed and validated using the real data. The validated model was used to investigate the effect of variation in the geothermal source temperature on plant performance.

The analysis showed that the variation of the geothermal source temperature affects the plant behaviour. Increase in the geothermal source temperature above the design point increases the working fluid flowrate, decreases the working fluid degree of superheat at the inlet of the turbine (evaporator exit), increases the plant net power output and reduces the efficiency while decrease in the geothermal source temperature lower than the design point increases the degree of superheat up to a certain maximum beyond which it starts to reduce. It also causes a decrease in the net power output and an increase in the plant efficiency.

Item Type: Article
Uncontrolled Keywords: Organic Rankine Cycle (ORC), IPSEpro, geothermal, power generation
Subjects: H300 Mechanical Engineering
Department: Faculties > Engineering and Environment > Geography
Depositing User: Chris Underwood
Date Deposited: 15 Mar 2012 14:35
Last Modified: 10 Aug 2015 11:17
URI: http://nrl.northumbria.ac.uk/id/eprint/5783

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