Journal
APPLIED ENERGY
Volume 103, Issue -, Pages 671-678Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.apenergy.2012.10.033
Keywords
Hybrid system; Chemical looping combustion; Thermal energy storage; Solar reactor; Power generation
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Funding
- Adelaide Scholarship International
- Australian Research Council through a Discovery Outstanding Researcher Award
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A novel hybrid of a solar thermal energy and a chemical looping combustion (CLC) system is proposed here, which employs the oxygen carrier particles in a CLC system to provide diurnal thermal energy storage for concentrated solar thermal energy. In taking advantage of the chemical and sensible energy storage systems that are an inherent part of a CLC system, this hybrid offers potential to achieve cost effective, base load power generation for solar energy. In the proposed system, three reservoirs have been added to a conventional CLC system to allow storage of the oxygen carrier particles, while a cavity solar receiver has been chosen for the fuel reactor. The performance of the system is evaluated using ASPEN PLUS software, with the model being validated using independent simulation result reported previously. Operating temperature, solar efficiency, solar fraction, exergy efficiency and the fraction of the solar thermal energy stored for a based load power generation application are reported. Crown Copyright (c) 2012 Published by Elsevier Ltd. All rights reserved.
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