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Type: Artigo de periódico
Title: Buoyancy organic Rankine cycle
Author: Schoenmaker, J
Rey, JFQ
Pirota, KR
Abstract: In the scope of renewable energy, we draw attention to a little known technique to harness solar and geothermal energy. The design here proposed and analyzed is a conceptual hybrid of several patents. By means of a modified organic Rankine cycle, energy is obtained utilizing buoyancy force of a working fluid. Based on thermodynamic properties we propose and compare the performance of Pentane and Dichloromethane as working fluids. Theoretical efficiencies up to 0.26 are estimated for a 51 m (Pentane) and 71.5 m (Dichloromethane) high column of water in a regime below 100 degrees C operation temperature. These findings are especially relevant in the scope of distributed energy systems, combined cycle plants, and low-temperature Rankine cycles. (C) 2010 Elsevier Ltd. All rights reserved.
Subject: Renewable energy
Organic Rankine cycle
Buoyancy force
Combined cycle
Country: Inglaterra
Editor: Pergamon-elsevier Science Ltd
Citation: Renewable Energy. Pergamon-elsevier Science Ltd, v. 36, n. 3, n. 999, n. 1002, 2011.
Rights: fechado
Identifier DOI: 10.1016/j.renene.2010.09.014
Date Issue: 2011
Appears in Collections:Unicamp - Artigos e Outros Documentos

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