多孔材料和热控系统对太阳能集热器加湿-除湿海水淡化装置性能提升的影响：基于4E分析的实验研究

IF 6.4 2区工程技术 Q1 MECHANICS

International Communications in Heat and Mass Transfer Pub Date : 2025-04-14 DOI:10.1016/j.icheatmasstransfer.2025.108958

Ali Mahmoudi , Mohammad Sadegh Valipour , Saman Rashidi

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引用次数: 0

摘要

海水淡化技术是解决缺水危机的可持续解决方案。基于太阳能的加湿-除湿海水淡化系统是为偏远地区提供水的一种经济有效的方法。本文对太阳能抛物盘集热器驱动的加湿-除湿海水淡化系统进行了实验研究。一个带有控制箱的辅助加热器用于在较高的给水流量下维持系统温度。主要的试验场景是在不同矿化度下不同的给水流量。本研究评估了使用加工金属废料作为多孔材料对系统除湿器的影响。根据实验结果，在进料盐水流量为1.2 l/min、盐度值为5000 ppm时，计算出海水淡化系统的最大增益输出比和比能耗分别为0.24和3.48 kWh/m3。多孔材料在除湿机中的应用使海水淡化循环的热效率从8.06%提高到9.55%，提高了1.49%。淡水生产流量由3.95 l/d提高到4.76 l/d。根据经济和环境分析，计算淡水生产成本为0.043美元/升，多孔材料在除湿机中的应用增加了0.14吨的二氧化碳减排。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Potentials of porous materials and thermal control system for performance enhancement of humidification-dehumidification desalination unit powered by solar dish collector: Experimental study with 4E analysis

查看原文本刊更多论文

A sustainable solution to water shortage crises is desalination technology. Solar-based humidification-dehumidification desalination systems are a cost-effective method of providing water in remote areas. In the current study, a solar parabolic dish collector-powered humidification-dehumidification desalination system was studied experimentally. An auxiliary heater with a controller box was used to maintain the system temperature at higher feed water flow rates. The main test scenarios were different feed water flow rates at different salinity values. This study evaluates the use of machining metal scraps as a porous material's effects on the system's dehumidifier. Based on the results, for the feed saline water flow rate of 1.2 l/min and salinity value of 5000 ppm, the maximum gain output ratio and specific energy consumption of 0.24 and 3.48 kWh/m³ were calculated for the desalination system. The utilization of porous material in the dehumidifier enhanced the thermal efficiency of the desalination cycle by 1.49 %, from 8.06 % to 9.55 %. The freshwater production flow rate was improved from 3.95 to 4.76 l/day. According to the economic and environmental analysis, the freshwater production cost was calculated at 0.043 USD/l, and the application of the porous material in the dehumidifier enhanced carbon dioxide emissions reduction by 0.14 tons.

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来源期刊

International Communications in Heat and Mass Transfer 工程技术-力学

CiteScore

11.00

自引率

10.00%

发文量

648

审稿时长

32 days

期刊介绍： International Communications in Heat and Mass Transfer serves as a world forum for the rapid dissemination of new ideas, new measurement techniques, preliminary findings of ongoing investigations, discussions, and criticisms in the field of heat and mass transfer. Two types of manuscript will be considered for publication: communications (short reports of new work or discussions of work which has already been published) and summaries (abstracts of reports, theses or manuscripts which are too long for publication in full). Together with its companion publication, International Journal of Heat and Mass Transfer, with which it shares the same Board of Editors, this journal is read by research workers and engineers throughout the world.