Effect of temperature on the effective thermal conductivity of n-tetradecane-based nanofluids containing copper nanoparticles-中国期刊网

摘要 NanofluidswerepreparedbydispersingCunanoparticles(~20nm)inn-tetradecanebyatwo-stepmethod.Theeffectivethermalconductivitywasmeasuredforvariousnanoparticlevolumefractions(0.0001-0.02)andtemperatures(306.22-452.66K).TheexperimentaldatacompareswellwiththeJangandChoimodel.Thethermalconductivityenhancementwaslowerabove391.06Kthanforthatbetween306.22and360.77K.Theinterfacialthermalresistanceincreasedwithincreasingtemperature.Theeffectivethermalconductivityenhancementwasgreaterthanthatobtainedwithamoreviscousfluidasthebasemediaat452.66KbecauseofnanoconvectioninducedbynanoparticleBrownianmotionathightemperature.

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Effect of temperature on the effective thermal conductivity of n-tetradecane-based nanofluids containing copper nanoparticles

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Effect of temperature on the effective thermal conductivity of n-tetradecane-based nanofluids containing copper nanoparticles

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