Performance improvement of a heat pipe evacuated solar water collector using quartz/water nanofluid: A numerical and experimental study

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dc.authoridTuncer, Azim Dogus/0000-0002-8098-6417
dc.contributor.authorAytac, Ipek
dc.contributor.authorKhanlari, Ataollah
dc.contributor.authorTuncer, Azim Dogus
dc.contributor.authorVariyenli, Halil Ibrahim
dc.contributor.authorUnvar, Sinan
dc.date.accessioned2025-03-17T12:25:57Z
dc.date.available2025-03-17T12:25:57Z
dc.date.issued2024
dc.departmentTarsus Üniversitesi
dc.description.abstractSolar water collectors (SWCs) are the major element of any solar power system. Evacuated tube solar water collectors (ESWCs) contain multiple evacuated tubes formed between the tubular absorber and the glass cover in each tube to reduce heat losses. In this survey, it is aimed to improve the thermal performance of a heat pipe evacuated tube water solar collectors (HP-ESWCs) by using quartz nanofluid as the working fluid and experimentally and numerically obtained results are explained in detail. The numerical simulation of the heat pipe part of the system aims to present a general view of energy gain by the heat pipe, evaporation of the working liquid inside the pipe and condensation of the vapor by releasing its energy in the condenser section. Also, the performance of the whole collector was experimentally examined utilizing four different working fluids. The outcomes indicate that the thermal efficiency of the HP-EWSC using deionized water varied between 29.63 and 55.78 %, 36.50-61.13 %, 40.73-64.35 % and 32.81-75.92 % at 0.008, 0.016, 0.033 and 0.050 kg/s flow rates, respectively. Also, the efficiency of HP-EWSC using quartz/water changed between the ranges of 43.87-71.95 %, 50.86-78.22 %, 46.37-79.66 % and 55.60-85.64 % at 0.008, 0.016, 0.033 and 0.050 kg/s flow rates, respectively. Average exergy efficiency enhancement by utilizing quartz/water nanofluid in the present work varied in the range of 34.23-99.97 %. General findings of this study clearly showed the positive impacts of using quartz/water as working fluid in the HP-ESWCs on the overall performance.
dc.description.sponsorshipThe authors declare that they have no known competing interests or personal relationships that could have appeared the work reported in this paper.
dc.identifier.doi10.1016/j.renene.2024.121423
dc.identifier.issn0960-1481
dc.identifier.issn1879-0682
dc.identifier.scopus2-s2.0-85205251005
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1016/j.renene.2024.121423
dc.identifier.urihttps://hdl.handle.net/20.500.13099/1958
dc.identifier.volume236
dc.identifier.wosWOS:001330811000001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherPergamon-Elsevier Science Ltd
dc.relation.ispartofRenewable Energy
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WOS_20250316
dc.subjectSolar collector
dc.subjectHeat pipe
dc.subjectNanofluid
dc.subjectQuartz
dc.subjectExperimental
dc.subjectNumerical
dc.titlePerformance improvement of a heat pipe evacuated solar water collector using quartz/water nanofluid: A numerical and experimental study
dc.typeArticle

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