期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 36, 期 19, 页码 12148-12158出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2011.07.013
关键词
Monte-Carlo method; Solar energy; Cavity receiver; Radiation properties; Quartz window
资金
- China National Key Basic Research Special Funds [2009CB220006]
- National Natural Science Foundation of China [50930007, 50806017]
- Fundamental Research Funds for the Central Universities [HIT. NSRIF.2009106]
- China Postdoctoral Science Foundation [20100480986]
An energy transfer and conversion model for high-temperature solar cavity receivers has been developed using the transport behaviour of solar radiation as described by the spectral radiative exchange factors. A Monte-Carlo ray-tracing method coupled with optical properties was adopted, to predict radiation characteristics of the solar collector system by calculating radiative exchange factors. A cavity receiver with a plano-convexo quartz window was proposed, based upon the directional characteristics of the focal flux and the redistribution effect of the quartz window. Parametric studies on the windowed receiver provided a more uniform flux distribution, higher efficiency and lower loss than the windowless receivers. The predicted results serve as a design reference for the solar receivers or reactors in high-temperature applications. Copyright (C) 2011, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
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