A study on the maximum gained output ratio of single-effect solar humidification-dehumidification desalination

文献类型： 外文期刊

第一作者： Wu, Gang

作者： Wu, Gang;Wu, Gang;Zheng, Hongfei;Cui, Dandan;Kutlu, Cagri;Su, Yuehong

作者机构：

关键词： Solar desalination;Gained output ratio;Minimum work requirement;Humidification-dehumidification (HDH)

期刊名称：SOLAR ENERGY （ 影响因子：5.742； 五年影响因子：5.619 ）

ISSN： 0038-092X

年卷期： 2017 年 157 卷

页码：

收录情况： SCI

摘要： Based on the minimum work requirement for the humidification- dehumidification (HDH) desalination processes, the potential maximum gained output ratio (GOR) of a single-effect closed-air open-water (CAOW) water-heated solar humidification-dehumidification desalination system is calculated in this paper. The theoretical results show that the minimum work requirement for an ideal HDH desalination system increases with the operating temperature. Moreover, when concentration ratio of used solar concentrators changes, maximum GOR has slightly change. Higher than 340 K, the maximum GOR will evidently increase with the operating temperature. When the concentration ratio of used solar concentrators increases, the maximum GOR rises. The calculation results also indicate that the maximum GOR for a solar HDH desalination system is generally fewer than 12.5 (370 K) according to different concentration ratios. Mass concentration of sodium chloride has slightly effect on maximum GOR. The effect on evaporation work is too small to compare with dehumidification work. Having set the top limit of HDH desalination system performance will ensure to see the potential of increase of these system's performance. (C) 2017 Elsevier Ltd. All rights reserved.

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