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Study on performance of chemical heat storage system for direct steam generation
Kito, Tsuyoshi1; Osaka, Yugo2; Kuwata, Kazuki1; Kobayashi, Noriyuki1; Huang, Hongyu3; He, Zhaohong3
2014-03-01
Source PublicationJOURNAL OF RENEWABLE AND SUSTAINABLE ENERGY
Volume6Issue:2
AbstractA heat storage system that is used to generate steam directly by exploiting the dissolution phenomenon between CaBr2 and water was studied. The performance of the system in terms of the coefficient of performance (COP) or volumetric heat capacity (VHC) yielded maximal values for the amount of water supplied. The COP was 0.072 to 0.115 for steam pressures of 20-50 kPa at x = 7.5. VHC values recorded were 177.2 to 250.1 kJ/l for steam pressures of 20-50 kPa at x = 7.5. This calculation was validated by comparing the calculated value with the experimental result. The pressure settled at the equilibrium state for a very short duration at the heat release step, proving that the dissolution phenomenon involved a high mass transfer rate and was able to transform the heat of dissolution into enthalpy of steam. The amount of steam generated in the experiment conformed very well to the calculations, thus validating the calculation method. (C) 2014 AIP Publishing LLC.
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1063/1.4868029
WOS Subject ExtendedEnergy & Fuels
WOS KeywordENERGY-STORAGE ; THERMAL-ENERGY ; CLAPEYRON EQUATION ; SOLAR-ENERGY ; PUMP
Indexed BySCI
Language英语
WOS SubjectEnergy & Fuels
WOS IDWOS:000336155400004
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10752
Collection中国科学院广州能源研究所
Affiliation1.Nagoya Univ, Dept Chem Engn, Nagoya, Aichi 4648603, Japan
2.Kanazawa Univ, Coll Sci & Engn, Kanazawa, Ishikawa 9201192, Japan
3.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China
Recommended Citation
GB/T 7714
Kito, Tsuyoshi,Osaka, Yugo,Kuwata, Kazuki,et al. Study on performance of chemical heat storage system for direct steam generation[J]. JOURNAL OF RENEWABLE AND SUSTAINABLE ENERGY,2014,6(2).
APA Kito, Tsuyoshi,Osaka, Yugo,Kuwata, Kazuki,Kobayashi, Noriyuki,Huang, Hongyu,&He, Zhaohong.(2014).Study on performance of chemical heat storage system for direct steam generation.JOURNAL OF RENEWABLE AND SUSTAINABLE ENERGY,6(2).
MLA Kito, Tsuyoshi,et al."Study on performance of chemical heat storage system for direct steam generation".JOURNAL OF RENEWABLE AND SUSTAINABLE ENERGY 6.2(2014).
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