Compound hybrid geothermal-fossil power plants: Thermodynamic analyses and site-specific applications

Ronald DiPippo, Eileen A. DiPippo, Joseph Kestin, H. E. Khalifa

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

In this paper, we extend the analysis of hybrid fossil-geothermal power plants to compound systems which combine the features of the two previously analyzed hybrid plants, the geothermal preheat and the fossil superheat systems. Compound systems of the one- and two-stage type are considered. A complete summary of formulae to assess the performance of the plants is included for completeness. From the viewpoint of thermodynamics, compound hybrid plants are superior to individual all-geothermal and all-fossil plants, and have certain advantages over basic geothermal-preheat and fossil-superheat hybrid plants. The flexibility of compound hybrid systems is illustrated by showing how such plants might be used at several geothermal sites in the western United States.

Original languageEnglish (US)
Pages (from-to)797-804
Number of pages8
JournalJournal of Engineering for Gas Turbines and Power
Volume103
Issue number4
DOIs
StatePublished - Oct 1981

ASJC Scopus subject areas

  • Nuclear Energy and Engineering
  • Fuel Technology
  • Aerospace Engineering
  • Energy Engineering and Power Technology
  • Mechanical Engineering

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