利用TRNSYS仿真软件对太阳能热脱盐系统进行建模和性能分析

IF 6.4 2区工程技术 Q1 THERMODYNAMICS

Case Studies in Thermal Engineering Pub Date : 2025-05-14 DOI:10.1016/j.csite.2025.106332

Mohammad Shykhaee, Hossein Yousefi, Ahmad Hajinezhad, Mahmood Abdoos, Younes Noorollahi

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引用次数: 0

摘要

太阳能是解决炎热和干旱地区淡水短缺的清洁和可持续解决方案之一。本文介绍了一种利用TRNSYS软件设计的用于大规模淡水生产的太阳能热脱盐系统。太阳能集热器的能量供应满足了盐水所需的相变，并有一个六级分离器从盐水中提取产生的蒸汽。更准确地说，在太阳能集热器到位之前，热交换器冷凝产生的蒸汽并加热供给的盐水。此外，由于太阳辐照度高，且靠近波斯湾的海水，有关模拟采用了阿巴斯港的气象资料。因此，基于计算机的模拟结果强调，在太阳辐射最大的情况下，太阳能集热器出口温度达到约190°C。然而，如果产生蒸汽所需的水温度升高，则需要相当长的时间；因此，在地面上，尽管有10小时的有效太阳辐射，但该装置每天运行约6小时。在这样的一天，淡水产量将达到47万立方米，而在5月下旬全年最热的一周之一，它非常有信心显示出45%的产量。即使在一年中最冷的日子里，该系统的效率也被计算为43%。与其他现有研究的简短比较进一步证实了该系统的有效性。因此，这项研究强调了太阳能作为解决炎热干旱地区水资源短缺问题的可再生和清洁方法的可行性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Modeling and performance analysis of a solar thermal desalination system using simulation in TRNSYS software

Solar energy is one of the clean and sustainable solutions to fight freshwater scarcity in hot and arid regions. The current paper presents the design of a thermal desalination system powered by solar energy for large-scale freshwater production by using the TRNSYS software. Solar collectors' Energy supply accounts for saline Water's required phase change, with a six-stage separator to extract the generated steam from saline Water. More precisely, heat exchangers condense the generated steam and heat the feeding saline water before the solar collectors are in place. Further, the concerned simulation has taken the meteorological data from Bandar Abbas due to high solar irradiation and its closeness with seawater from the Persian Gulf. Consequently, the computer-based simulated results highlighted that on occasions of maximum solar radiation, the solar collector exit temperature reached approximately 190 °C. However, in the case of the temperature increase of the water required to produce steam, it takes quite some time; hence, on the ground, this installation operates about 6 h a day despite the available 10-h active solar radiation. On a day like that, 470,000 m³ of Freshwater would have been produced, whereas on one of the hottest weeks during the whole year in late May, it is very confident of showing a yield of 45 %. The system's efficiency was also calculated to be 43 %, even on the year's coldest days. A short comparison with other available studies further confirmed the system's effectiveness. Therefore, this research highlights solar energy's viability as a renewable and clean approach to solving water shortage problems in hot and arid regions.

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来源期刊

Case Studies in Thermal Engineering Chemical Engineering-Fluid Flow and Transfer Processes

CiteScore

8.60

自引率

11.80%

发文量

812

审稿时长

76 days

期刊介绍： Case Studies in Thermal Engineering provides a forum for the rapid publication of short, structured Case Studies in Thermal Engineering and related Short Communications. It provides an essential compendium of case studies for researchers and practitioners in the field of thermal engineering and others who are interested in aspects of thermal engineering cases that could affect other engineering processes. The journal not only publishes new and novel case studies, but also provides a forum for the publication of high quality descriptions of classic thermal engineering problems. The scope of the journal includes case studies of thermal engineering problems in components, devices and systems using existing experimental and numerical techniques in the areas of mechanical, aerospace, chemical, medical, thermal management for electronics, heat exchangers, regeneration, solar thermal energy, thermal storage, building energy conservation, and power generation. Case studies of thermal problems in other areas will also be considered.