Geometric optimization to improve the performance of a new design of concentration-based solar distiller using particle swarm optimization algorithm

IF 2.1 4区 环境科学与生态学 Q3 ENGINEERING, CHEMICAL
Mokhtar Mohammed, Taha Janan
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引用次数: 0

Abstract

Solar distillers are one of the oldest and simplest technologies for desalinating salt water using solar energy. The main problem is the low freshwater production compared to the amount of energy input from the sun. To overcome this problem, a solar distiller was developed using a parabolic trough concentrator to increase the freshwater yield. The geometry optimization of various parameters of the developed system was also studied using the particle swarm optimization (PSO) algorithm to obtain the optimal design and give the improved freshwater yield. The simulation is carried out based on the algorithm using the climatic condition data of Rabat City, Morocco. Numerical resolution of the energy balance equations was performed using MATLAB code. In terms of flexibility, speed, and global convergence, this method's final results were satisfactory. The maximum optimized freshwater yield using the PSO approach is 12.83 kg/m2 and the maximum optimized energy and exergy efficiency were about 204.7% and 34.3%, respectively. Furthermore, the results showed that the absorber basin accounts for the highest exergy destruction, 88.7% of the total optimized exergy destruction was found from exergy analysis.

利用粒子群优化算法对集中式太阳能蒸馏器进行几何优化,以提高蒸馏器的性能
太阳能蒸馏器是利用太阳能淡化海水的最古老、最简单的技术之一。主要的问题是淡水产量低于从太阳输入的能量。为了克服这一问题,开发了一种利用抛物线槽聚光器的太阳能蒸馏器,以提高淡水产量。利用粒子群优化算法(PSO)对系统各参数进行几何优化,得到最优设计方案,并得到提高的淡水产量。利用摩洛哥拉巴特市的气候条件数据对该算法进行了仿真。利用MATLAB代码对能量平衡方程进行了数值解析。该方法在灵活性、速度和全局收敛性方面取得了令人满意的结果。采用PSO方法的最大优化淡水产量为12.83 kg/m2,最大优化能量和火用效率分别为204.7%和34.3%。结果表明,吸收盆的火用损失最大,占优化总火用损失的88.7%。
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来源期刊
Environmental Progress & Sustainable Energy
Environmental Progress & Sustainable Energy 环境科学-工程:化工
CiteScore
5.00
自引率
3.60%
发文量
231
审稿时长
4.3 months
期刊介绍: Environmental Progress , a quarterly publication of the American Institute of Chemical Engineers, reports on critical issues like remediation and treatment of solid or aqueous wastes, air pollution, sustainability, and sustainable energy. Each issue helps chemical engineers (and those in related fields) stay on top of technological advances in all areas associated with the environment through feature articles, updates, book and software reviews, and editorials.
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