Author: Heberle Florian Brüggemann Dieter
Publisher: MDPI
E-ISSN: 1996-1073|7|7|4482-4497
ISSN: 1996-1073
Source: Energies, Vol.7, Iss.7, 2014-07, pp. : 4482-4497
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Abstract
We present a thermo-economic analysis for a low-temperature Organic Rankine Cycle (ORC) in a combined heat and power generation (CHP) case. For the hybrid power plant, thermal energy input is provided by a geothermal resource coupled with the exhaust gases of a biogas engine. A comparison to alternative geothermal CHP concepts is performed by considering variable parameters like ORC working fluid, supply temperature of the heating network or geothermal water temperature. Second law efficiency as well as economic parameters show that hybrid power plants are more efficient compared to conventional CHP concepts or separate use of the energy sources.
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