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Air-Based Bottoming-Cycles for Water-Free Hybrid Solar Gas-Turbine Power Plants
KTH, School of Industrial Engineering and Management (ITM), Energy Technology.
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Heat and Power Technology.
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Heat and Power Technology.
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Heat and Power Technology.
2013 (English)In: Journal of engineering for gas turbines and power, ISSN 0742-4795, E-ISSN 1528-8919, Vol. 135, no 10, 101701- p.Article in journal (Refereed) Published
Abstract [en]

A thermoeconomic model of a novel hybrid solar gas-turbine power plant with an air-based bottoming cycle has been developed, allowing its thermodynamic, economic, and environmental performance to be analyzed. Multi-objective optimization has been performed to identify the trade-offs between two conflicting objectives: minimum capital cost and minimum specific CO2 emissions. In-depth thermoeconomic analysis reveals that the additional bottoming cycle significantly reduces both the levelized cost of electricity and the environmental impact of the power plant (in terms of CO2 emissions and water consumption) when compared to a simple gas-turbine power plant without bottoming cycle. Overall, the novel concept appears to be a promising solution for sustainable power generation, especially in water-scarce areas.

Place, publisher, year, edition, pages
2013. Vol. 135, no 10, 101701- p.
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:kth:diva-134581DOI: 10.1115/1.4025003ISI: 000326159400007Scopus ID: 2-s2.0-84888194499OAI: oai:DiVA.org:kth-134581DiVA: diva2:666974
Note

QC 20131125

Available from: 2013-11-25 Created: 2013-11-25 Last updated: 2017-12-06Bibliographically approved

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