An exergy analysis of a concentric tube heat exchanger using hBN-water nanofluids

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dc.authorid0000-0002-2203-0177en_US
dc.contributor.authorBudak Ziyadanoğulları, Neşe
dc.contributor.authorPerçin, Süleyman
dc.date.accessioned2021-11-19T09:38:36Z
dc.date.available2021-11-19T09:38:36Z
dc.date.issued2021en_US
dc.departmentBatman Üniversitesi Mühendislik - Mimarlık Fakültesi Makine Mühendisliği Bölümüen_US
dc.description.abstractThis study investigated the effects of using nanofluids prepared with hexagonal boron nitride (hBN) nanoparticles on the thermal performance and pressure drop of a concentric tube heat exchanger. Experiments were carried out with water-hBN nanofluids for stable, dispersed, 0.01%, 0.1% and 1% volume concentrations, at different flow rates and Reynolds numbers under parallel and counter-flow conditions. When the experimental results were examined, the exergy loss was higher in the parallel-flow heat exchanger compared to the counter-flow heat exchanger. The highest exergy loss value was obtained for distilled water at the highest Reynolds number (Re = 8,700) for parallel flow operation at 170 W. The exergy loss of water at the highest Reynolds number (Re = 8,700) for parallel flow operation increased by 15.7%, 24.8% and 49.8% for hBN-water concentrations of 0.01%, 0.1% and 1%, respectively. Exergy loss of water at the highest Reynold number (Re = 8,700) for counter flow operation increased by 11.3%, 17.3% and 29.2% for hBN-water concentrations of 0.01%, 0.1% and 1%, respectively. When evaluating the exergy analysis of the system, exergy losses due to pressure drops were negligible for both flows (parallel and counter).en_US
dc.identifier.citationBudak Ziyadanoğulları, N., Perçin, S. (2021). An exergy analysis of a concentric tube heat exchanger using hBN-water nanofluids. International Journal of Exergy, 35 (4), pp.438-452. DOI: 10.1504/IJEX.2021.117050en_US
dc.identifier.endpage452en_US
dc.identifier.issn1742-8297
dc.identifier.issue4en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.startpage438en_US
dc.identifier.uri10.1504/IJEX.2021.117050
dc.identifier.urihttps://hdl.handle.net/20.500.12402/4032
dc.identifier.volume35en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherInder Science Publishersen_US
dc.relation.isversionof10.1504/IJEX.2021.117050en_US
dc.relation.journalInternational Journal of Exergyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.rightsAttribution-NonCommercial-ShareAlike 3.0 United States*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-sa/3.0/us/*
dc.subjectHexagonal Boron Nitride-Water Nanofluiden_US
dc.subjectConcentric Tube Heat Exchangeren_US
dc.subjectExergy Efficiencyen_US
dc.subjectExergy Lossen_US
dc.subjectPump Poweren_US
dc.titleAn exergy analysis of a concentric tube heat exchanger using hBN-water nanofluidsen_US
dc.title.alternativehBN-su nanoakışkanları kullanan bir eşmerkezli borulu ısı eşanjörünün ekserji analizien_US
dc.typeArticleen_US

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