Experimental study on the thermal conductivity of water-based CNT-SiO2 hybrid nanofluids

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dc.authoridhttp://orcid.org/0000-0002-5743-3937en_US
dc.contributor.authorDalkilic, Ahmet Selim
dc.contributor.authorYalcin, Gokberk
dc.contributor.authorKucukyildirim, Bedri Onur
dc.contributor.authorOztuna, Semiha
dc.contributor.authorEker, Aysegul Akdogan
dc.contributor.authorJumpholkul, Chaiwat
dc.contributor.authorNakkaew, Santiphap
dc.contributor.authorWongwises, Somchai
dc.date.accessioned2019-06-25T07:37:00Z
dc.date.available2019-06-25T07:37:00Z
dc.date.issued2018
dc.departmentFakülteler, Mühendislik Fakültesi, Makine Mühendisliği Bölümüen_US
dc.descriptionYalcin, Gokberk (Trakya author)en_US
dc.description.abstractThis experimental study includes measurement of thermal conductivity of distilled water-based CNT-SiO2 hybrid nanofluids. Nanofluids were prepared by using two-step method, 3 different concentrations and 4 different mass range of CNT-SiO2. SiO2 has 2200 kg m(-)(3) density, 1.4 W m(-1) K (-1) thermal conductivity and 7 nm average particle size. CNT has 2620 kg m(-3) density, 25 W m (-1) K(-1 )thermal conductivity and 6-10 nm average particle size. Samples were placed in ultrasonic homogenizer maximum power capacity for 3 h. Throughout sonication process temperature of nanofluids have been kept under control in order not to chance volumetric fraction of nanofluids. All measurements of thermal conductivity were done by using thermal conductivity meter. Thermal conductivity meter was calibrated by di-water. Measurements of thermal conductivity was done range from 25 degrees C to 60 degrees C for every 5 degrees C. Validation of measurements had been performed by using di-water and shown in a thermal conductivity-temperature figure. Minimum and maximum thermal conductivity enhancements were revealed in detail. Alteration of the thermal conductivity with temperature according to various volumetric fractions were in literature rated and it is found that the thermal conductivity increases with temperature and vol. fraction clearly. Enhancement on the thermal conductivity to di-water were also depicted for various temperatures and vol. fraction in figures. Almost well-known correlations in the literature were given with their predictable rates. Moreover, comparisons with other studies were provided in this present study. A practical correlation was proposed for other researchers.en_US
dc.identifier.citationDalkılıç, A. S., Yalçın, G., Küçükyıldırım, B. O., Öztuna, S., Eker, A. A., Jumpholkul, C., ... & Wongwises, S. (2018). Experimental study on the thermal conductivity of water-based CNT-SiO2 hybrid nanofluids. International Communications in Heat and Mass Transfer, 99, 18-25.en_US
dc.identifier.doi10.1016/j.icheatmasstransfer.2018.10.002en_US
dc.identifier.endpage25en_US
dc.identifier.scopus2-s2.0-85056197198en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.startpage18en_US
dc.identifier.urihttps://doi.org/10.1016/j.icheatmasstransfer.2018.10.002
dc.identifier.urihttps://hdl.handle.net/20.500.14551/4201
dc.identifier.volume99en_US
dc.identifier.wosWOS:000453339500003en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb fo Sciencesen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherPergamon-Elsevier Science Ltd.en_US
dc.relation.ispartofJournal Citation Reportsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.snmz20240608_ID_Qen_US
dc.subjectHybrid Nanofluidsen_US
dc.subjectCNTen_US
dc.subjectSiO2en_US
dc.subjectThermal Conductivityen_US
dc.subjectUltrasonic Homogenizeren_US
dc.subjectHeat-Transferen_US
dc.subjectEthylene-Glycolen_US
dc.subjectThermophysical Propertiesen_US
dc.subjectTio2 Nanofluidsen_US
dc.subjectViscosityen_US
dc.subjectTemperatureen_US
dc.subjectStabilityen_US
dc.subjectNanoparticlesen_US
dc.subjectAl2O3en_US
dc.subjectPerformanceen_US
dc.titleExperimental study on the thermal conductivity of water-based CNT-SiO2 hybrid nanofluidsen_US
dc.typeArticleen_US

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