期刊
SOLAR ENERGY
卷 137, 期 -, 页码 385-392出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.solener.2016.08.037
关键词
Viscosity; Nitrates/nitrites salts; Concentrating solar power; Molten salts
资金
- Strategic Priority Research Program of Chinese Academy of Sciences [XD02002400]
- Youth Innovation Promotion Association CAS
- National Natural Science Foundation of China [21406256]
Hitec (NaNO3-NaNO2-KNO3) and Solar salt (NaNO3-KNO3) are two of molten salts extensively used in Concentrated Solar Power (CSP). Viscosity plays an essential role in process of heat transfer for CSP system. However, it has some certain deviation and unsatisfactory errors among different reports; additionally, it still lacks the data close to melting point, which also makes another barrier for their application. In this work, accurate viscosity data of Hitec and Solar salt with 2.5% uncertainty were systematically measured using an optimized rotational coaxial cylinder in a wide temperature range that fill in the blanks of the existing data. Meanwhile, relevant viscosity were explicitly summarized and particularly analyzed based on the experimental data. Viscosity of the specific components of emerging ternary nitrates (Ca (NO3)(2)-NaNO3-KNO3, LiNO3-NaNO3-KNO3 and Ca(NO3)(2)-LiNO3-KNO3 mixtures) having potential applications for CSP systems were measured in the high temperature areas for the first time. (C) 2016 Elsevier Ltd. All rights reserved.
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