Numerical and experimental investigation of a solar absorber extension tube with turbulators for upgrading the performance of a solar dryer

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dc.authoridafshari, faraz/0000-0001-9192-5604
dc.authoridTuncer, Azim Dogus/0000-0002-8098-6417
dc.contributor.authorKhanlari, Ataollah
dc.contributor.authorAfshari, Faraz
dc.contributor.authorSozen, Adnan
dc.contributor.authorTuncer, Azim Dogus
dc.contributor.authorKusun, Baris
dc.date.accessioned2025-03-17T12:25:42Z
dc.date.available2025-03-17T12:25:42Z
dc.date.issued2022
dc.departmentTarsus Üniversitesi
dc.description.abstractPurpose During the past several years, research and studies in the field of solar energy have been continuously increased. One of the substantial applications of solar energy is related to industrial utilization for the drying process by efficient heat transfer methods. This study aims to upgrade the overall performance of an indirect solar dryer using a solar absorber extension tube (SET) equipped with ball-type turbulators. Design/methodology/approach In this work, three various SETs including hollow (SET Type 1), 6-balls (SET Type 2) and 10-balls (SET Type 3), have been simulated using Fluent software to evaluate heat transfer characteristics and flow structure along the air passage. Then, the modified solar drying system has been manufactured and tested at different configurations. Findings The findings indicated that adding a SET improved the performance notably. According to the results, using turbulators in the tube has a positive effect on heat transfer. The highest overall thermal efficiency was found in the range of 51.47%-64.71% for the system with SET Type 3. The maximum efficiency increment of the system was found as 19% with the use of SET. Also, the average specific moisture extraction rate, which is a significant factor to survey the effectiveness of the dehumidification system was found between 0.20 and 0.38 kg kWh(-1). Originality/value In the present study, a novel SET has been developed to upgrade the performance of the solar dehumidifier. This new approach makes it possible to improve both thermal and drying performances.
dc.identifier.doi10.1108/HFF-08-2021-0565
dc.identifier.endpage3131
dc.identifier.issn0961-5539
dc.identifier.issn1758-6585
dc.identifier.issue9
dc.identifier.scopus2-s2.0-85124268910
dc.identifier.scopusqualityQ1
dc.identifier.startpage3104
dc.identifier.urihttps://doi.org/10.1108/HFF-08-2021-0565
dc.identifier.urihttps://hdl.handle.net/20.500.13099/1811
dc.identifier.volume32
dc.identifier.wosWOS:000751457600001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherEmerald Group Publishing Ltd
dc.relation.ispartofInternational Journal of Numerical Methods For Heat & Fluid Flow
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WOS_20250316
dc.subjectSolar energy
dc.subjectThermal performance
dc.subjectTurbulator
dc.subjectBall-type
dc.subjectIndirect solar dryer
dc.titleNumerical and experimental investigation of a solar absorber extension tube with turbulators for upgrading the performance of a solar dryer
dc.typeArticle

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