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首页> 外文期刊>Energy Conversion & Management >Solar desalination using humidification-dehumidification processes. Part Ⅱ. An experimental investigation
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Solar desalination using humidification-dehumidification processes. Part Ⅱ. An experimental investigation

机译：使用加湿-除湿工艺进行太阳能脱盐。第二部分。实验研究

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摘要

An experimental investigation of a humidification-dehumidification desalination (HDD) process using solar energy at the weather conditions of Suez City, Egypt, is presented. A test rig is designed and constructed to conduct this investigation under different environmental and operating conditions. The test rig consists of a solar water heater (concentrator solar collector type), solar air heater (flat plate solar collector type), humidifier tower and dehumidifier exchanger. Different variables are examined including the feed water flow rate, the air flow rate, the cooling water flow rate in the dehumidifier and the weather conditions. Comparisons between the experimental results and other published results are presented. It is found that the results of the developed mathematical model by the same authors are in good agreement with the experimental results. The tested results show that the productivity of the system is strongly affected by the saline water temperature at the inlet to the humidifier, dehumidifier cooling water flow rate, air flow rate and solar intensity. The wind speed and ambient temperature variation were found to have a very small effect on the system productivity. A general correlation is developed to predict the unit productivity under different operating conditions. The results of this correlation have a reasonable confidence level (maximum error +-6%).
机译：提出了在埃及苏伊士市天气条件下使用太阳能进行加湿-除湿脱盐（HDD）过程的实验研究。设计和建造了一个试验台，以在不同的环境和操作条件下进行此调查。该试验台由太阳能热水器（集中式太阳能集热器类型），太阳能空气加热器（平板式太阳能集热器类型），加湿塔和除湿交换器组成。检查了不同的变量，包括给水流量，空气流量，除湿机中的冷却水流量和天气情况。给出了实验结果与其他已发表结果之间的比较。发现同一作者开发的数学模型的结果与实验结果非常吻合。测试结果表明，系统的生产率受到加湿器入口处的盐水温度，除湿器冷却水流量，空气流量和太阳强度的强烈影响。发现风速和环境温度变化对系统生产率的影响很小。建立了一般的相关性以预测不同操作条件下的单位生产率。此关联的结果具有合理的置信度（最大误差+ -6％）。

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