Exergy analysis and pressure optimisation of geothermal binary power plants
by Ahmet Dagdas
International Journal of Exergy (IJEX), Vol. 2, No. 4, 2005

Abstract: Binary geothermal power plants are used for power production from moderate temperature geothermal reservoirs (85-170°C). In performance analysis of those plants, the second law of thermodynamics is used like in other conventional power plants. In this paper, the exergy analysis and pressure optimisation methods are described for binary power plants. The method described is applied to a hypothetical geothermal reservoir for Turkey and a performance analysis is made of the binary power plant and its major equipment. The computer software developed is used to show the variations of performance criteria. According to the results, overall first and second law efficiencies of the hypothetical binary power plant have been determined to be 9.065 and 34.94% respectively for a reservoir temperature of 150°C and geofluid flowrate of 250 kg/s.

Online publication date: Fri, 16-Sep-2005

The full text of this article is only available to individual subscribers or to users at subscribing institutions.

 
Existing subscribers:
Go to Inderscience Online Journals to access the Full Text of this article.

Pay per view:
If you are not a subscriber and you just want to read the full contents of this article, buy online access here.

Complimentary Subscribers, Editors or Members of the Editorial Board of the International Journal of Exergy (IJEX):
Login with your Inderscience username and password:

Username:        Password:          Forgotten your password?

Want to subscribe?
A subscription gives you complete access to all articles in the current issue, as well as to all articles in the previous three years (where applicable). See our Orders page to subscribe.

If you still need assistance, please email subs@inderscience.com