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Energies 2017, 10(6), 773;

Thermal Cycle and Combustion Analysis of a Solar-Assisted Micro Gas Turbine

Department of Industrial Engineering (D.I.I.), Università di Napoli Federico II Napoli, Napoli 80125, Italy
Author to whom correspondence should be addressed.
Academic Editor: Antonio Calvo Hernández
Received: 30 March 2017 / Revised: 24 May 2017 / Accepted: 28 May 2017 / Published: 2 June 2017
(This article belongs to the Section Energy Fundamentals and Conversion)
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The authors discuss in this paper the potential of two power plant concepts for distributed generation, based on the integration of a cogenerating micro gas turbine with a solar panel array. The first one relies on the adoption of a parabolic trough network with an intermediate thermal carrier, while the second one considers the direct heating of the working air in a solar tower system. The first solution also includes a bottoming organic Rankine cycle (ORC) plant, so that it is mainly addressed to the power output increase. The second one involves a relevant temperature increase of the air entering the combustor, so allowing a direct fuel energy saving, whose amount is strongly variable with both the solar irradiance and the eventual part-load operation. In addition, the latter solar-assisted scheme involves noticeable variations in the conditions for the combustion development. This suggested the authors to proceed with a detailed CFD analysis of the combustion, after a preliminary thermal cycle study for highlighting the main benefits from the solar integration of the power plant. View Full-Text
Keywords: concentrated solar power (CSP); micro gas turbine; combustion; CFD concentrated solar power (CSP); micro gas turbine; combustion; CFD

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Abagnale, C.; Cameretti, M.C.; De Robbio, R.; Tuccillo, R. Thermal Cycle and Combustion Analysis of a Solar-Assisted Micro Gas Turbine. Energies 2017, 10, 773.

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