Journal
APPLIED THERMAL ENGINEERING
Volume 109, Issue -, Pages 958-969Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.applthermaleng.2016.04.103
Keywords
Particle receiver; Concentrating solar power
Funding
- DOE SunShot Program [DE-EE0000595-1558]
- US-India Partnership to Advance Clean Energy-Research (PACE-R) - U.S. Department of Energy (Office of Science) [DE-AC36-08GO28308]
- US-India Partnership to Advance Clean Energy-Research (PACE-R) - U.S. Department of Energy (Office of Basic Energy Sciences) [DE-AC36-08GO28308]
- US-India Partnership to Advance Clean Energy-Research (PACE-R) - U.S. Department of Energy (Energy Efficiency and Renewable Energy, Solar Energy Technology Program) [DE-AC36-08GO28308]
- Government of India, through the Department of Science and Technology [IUSSTF/JCERDC-SERIIUS/2012]
- U.S. Department of Energy [DE-AC04-94AL85000]
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High-temperature particle receivers can increase the operating temperature of concentrating solar power (CSP) systems, improving solar-to-electric efficiency and lowering costs. Unlike conventional receivers that employ fluid flowing through tubular receivers, falling particle receivers use solid particles that are heated directly as they fall through a beam of concentrated sunlight, with particle temperatures capable of reaching 1000 degrees C and higher. Once heated, the hot particles may be stored and used to generate electricity in a power cycle or to create process heat. Because the solar energy is directly absorbed by the particles, the flux and temperature limitations associated with tubular central receivers are mitigated, allowing for greater concentration ratios and thermal efficiencies. Alternative particle receiver designs include free-falling, obstructed flow, centrifugal, flow, in tubes with or without fluidization, multi-pass recirculation, north- or south-facing, and face-down configurations. This paper provides a review of these alternative designs, along with benefits, technical challenges, and costs. (C) 2016 Elsevier Ltd. All rights reserved.
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