水平圆柱形管提高金字塔式太阳能蒸馏器能量和火用效率的实验研究

IF 2.6 3区工程技术 Q2 ENGINEERING, MECHANICAL

International Journal of Heat and Fluid Flow Pub Date : 2025-09-25 DOI:10.1016/j.ijheatfluidflow.2025.110081

Ons Ghriss , Sirine Dhaoui , Mohammed El Hadi Attia , Abdallah Bouabidi , Moataz M. Abdel-Aziz , Mohamed Razak Jeday

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引用次数: 0

摘要

偏远和干旱地区缺水需要高效的太阳能脱盐技术。虽然金字塔式太阳能蒸馏器（PSS）提供了希望，但其低生产率仍然是一个关键限制。本研究通过实验研究将水平圆柱形管集成到PSS中，以提高热能、能量和火用效率。在相同的环境条件下，比较了常规和改进的PSS配置（3、5、9和12管）。结果表明，柱状管结构显著提高了PSS的性能，其中9管结构的峰值能效（比常规PSS提高28.49%,65.93%）和火用效率（提高100.78%）。蒸发主导了传热，并且在9个管以上观察到收益递减。该研究为优化太阳能蒸馏器设计提供了可行的见解，以可持续地解决全球水资源短缺问题。

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Experimental Investigation of horizontal cylindrical tubes on energy and exergy efficiency enhancement in pyramid solar stills

Water scarcity in remote and arid regions necessitates efficient solar desalination technologies. While pyramid solar stills (PSS) offer promise, their low productivity remains a critical limitation. This study experimentally investigates the integration of horizontal cylindrical tubes into PSS to enhance thermal, energy, and exergy efficiencies. Conventional and modified PSS configurations (3, 5, 9, and 12 tubes) were compared under identical environmental conditions. Results demonstrate that cylindrical tubes significantly improve performance, with the 9-tube configuration achieving peak energy efficiency (28.49%, 65.93% higher than conventional PSS) and exergy efficiency (100.78% increase). Evaporation dominated heat transfer, and diminishing returns were observed beyond nine tubes. The study provides actionable insights for optimizing solar still designs to address global water scarcity sustainably.

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来源期刊

International Journal of Heat and Fluid Flow 工程技术-工程：机械

CiteScore

5.00

自引率

7.70%

发文量

131

审稿时长

33 days

期刊介绍： The International Journal of Heat and Fluid Flow welcomes high-quality original contributions on experimental, computational, and physical aspects of convective heat transfer and fluid dynamics relevant to engineering or the environment, including multiphase and microscale flows. Papers reporting the application of these disciplines to design and development, with emphasis on new technological fields, are also welcomed. Some of these new fields include microscale electronic and mechanical systems; medical and biological systems; and thermal and flow control in both the internal and external environment.