{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,1]],"date-time":"2026-05-01T08:43:38Z","timestamp":1777625018085,"version":"3.51.4"},"reference-count":77,"publisher":"MDPI AG","issue":"21","license":[{"start":{"date-parts":[[2022,10,29]],"date-time":"2022-10-29T00:00:00Z","timestamp":1667001600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"UKM","award":["GUP-2020-012"],"award-info":[{"award-number":["GUP-2020-012"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sustainability"],"abstract":"<jats:p>A practical study was conducted to improve the performance of conventional pyramidal solar stills (CPSS) using two types of fins with differing geometries, as well as nanocomposites of TiO2 and graphene. The first fin was hollow, cylindrical, and perforated (HCPF), whereas the second fin was an inclined perforated rectangular fin (IPRF). The fins were integrated with the base of a solar still to evaluate their performance in comparison with a CPSS. The obtained experimental results demonstrated that the pyramidal solar still with hollow perforated cylindrical fins (PSS-HCPF) and the pyramidal solar still with inclined perforated rectangular fins (PSS-IPRF) produced more distillate than the PSS-HCPF and CPSS under all examined conditions. The daily productivities of the CPSS, PSS-HCPF, and PSS-IPRF were 3718, 4840, and 5750 mL\/m2, respectively, with the PSS-HCPF and PSS-IPRF improving the productivity by 31.3% and 55.9%, respectively, compared to that of the CPSS. In addition, using nanocomposites with PSS-IPRF improved the daily distillate production by 82.1%.<\/jats:p>","DOI":"10.3390\/su142114116","type":"journal-article","created":{"date-parts":[[2022,10,30]],"date-time":"2022-10-30T10:47:57Z","timestamp":1667126877000},"page":"14116","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":57,"title":["Pyramidal Solar Stills via Hollow Cylindrical Perforated Fins, Inclined Rectangular Perforated Fins, and Nanocomposites: An Experimental Investigation"],"prefix":"10.3390","volume":"14","author":[{"given":"Suha A.","family":"Mohammed","sequence":"first","affiliation":[{"name":"Mechanical Engineering Department, University of Technology, Baghdad 10066, Iraq"}]},{"given":"Ali","family":"Basem","sequence":"additional","affiliation":[{"name":"Air Conditioning Engineering Department, Faculty of Engineering, Warith Al-Anbiyaa University, Karbala 56001, Iraq"}]},{"given":"Zakaria M.","family":"Omara","sequence":"additional","affiliation":[{"name":"Mechanical Engineering Department, Faculty of Engineering, Kafrelsheikh University, Kafrelsheikh 33511, Egypt"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6863-8989","authenticated-orcid":false,"given":"Wissam H.","family":"Alawee","sequence":"additional","affiliation":[{"name":"Control and Systems Engineering Department, University of Technology, Baghdad 10066, Iraq"}]},{"given":"Hayder A.","family":"Dhahad","sequence":"additional","affiliation":[{"name":"Mechanical Engineering Department, University of Technology, Baghdad 10066, Iraq"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3446-1695","authenticated-orcid":false,"given":"Fadl A.","family":"Essa","sequence":"additional","affiliation":[{"name":"Mechanical Engineering Department, Faculty of Engineering, Kafrelsheikh University, Kafrelsheikh 33511, Egypt"}]},{"given":"Abdekader S.","family":"Abdullah","sequence":"additional","affiliation":[{"name":"Mechanical Engineering Department, College of Engineering, Prince Sattam Bin Abdulaziz University, Al-Kharj 16278, Saudi Arabia"},{"name":"Faculty of Engineering, Tanta University, Tanta 31527, Egypt"}]},{"given":"Hasan Sh.","family":"Majdi","sequence":"additional","affiliation":[{"name":"Department of Chemical Engineering and Petroleum Industries, Al-Mustaqbal University College, Babylon 51001, Iraq"}]},{"given":"Iqbal","family":"Alshalal","sequence":"additional","affiliation":[{"name":"Training and Workshops Center, University of Technology, Baghdad 10066, Iraq"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1051-3120","authenticated-orcid":false,"given":"Wan Nor Roslam Wan","family":"Isahak","sequence":"additional","affiliation":[{"name":"Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Bangi 43600, Selangor, Malaysia"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1033-4904","authenticated-orcid":false,"given":"Ahmed A.","family":"Al-Amiery","sequence":"additional","affiliation":[{"name":"Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Bangi 43600, Selangor, Malaysia"},{"name":"Energy and Renewable Energies Technology Center, University of Technology, Baghdad 10066, Iraq"}]}],"member":"1968","published-online":{"date-parts":[[2022,10,29]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"12417","DOI":"10.1016\/j.aej.2022.06.033","article-title":"Enhancing trays solar still performance using wick finned absorber, nano-enhanced PCM","volume":"61","author":"Abdullah","year":"2022","journal-title":"Alex. 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