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Drying graphene nanofluid on heated substrate

Abstract : In this paper, experiments for investigating the evaporation of graphene nanofluid droplets were executed on a heated saphhire substrate whose temperature changed from ambient to 106 °C. A side view CCD camera was utilized to record the evaporation process for the profile analysis and an infrared camera was used to observe the temperature distribution on the air/liquid interface of the droplets. The results showed that the graphene nanofluid and water had the same behaviour in contact angle and base diameter during evaporation, but the evaporation rate revealed an unexpected result that the water droplet finished faster than graphene nanofluid despite the high thermal conductivity of graphene nanofluid at higher substrate temperature.
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https://hal-uphf.archives-ouvertes.fr/hal-03667365
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Submitted on : Friday, May 13, 2022 - 1:17:43 PM
Last modification on : Saturday, May 14, 2022 - 3:36:35 AM

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  • HAL Id : hal-03667365, version 1

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Pin Chen, Souad Harmand, Maxence Bigerelle. Drying graphene nanofluid on heated substrate. 10th Annual TechConnect World Innovation Conference and Expo, Held Jointly with the 19th Annual Nanotech Conference and Expo, and the 2016 National SBIR/STTR Conference, May 2016, Washington, United States. ⟨hal-03667365⟩

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