Convective heat transfer performance of thermal oil-based nanofluids in a high-temperature thermohydraulic loop
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Título
Convective heat transfer performance of thermal oil-based nanofluids in a high-temperature thermohydraulic loopAutoría
Fecha de publicación
2021-09-08Editor
Elsevier Masson SASISSN
1290-0729Cita bibliográfica
Gil-Font, J., Navarrete, N., Cervantes, E., Mondragón, R., Torró, S. F., Martínez-Cuenca, R., & Hernández, L. (2022). Convective heat transfer performance of thermal oil-based nanofluids in a high-temperature thermohydraulic loop. International Journal of Thermal Sciences, 171, 107243.Tipo de documento
info:eu-repo/semantics/articleVersión
info:eu-repo/semantics/publishedVersionPalabras clave / Materias
Resumen
Enhancing the performance of heat transfer fluids (HTF) is a key target for improving the efficiency of many industrial processes. Employing nanofluids for this purpose, by dispersing nanoparticles into the initial ... [+]
Enhancing the performance of heat transfer fluids (HTF) is a key target for improving the efficiency of many industrial processes. Employing nanofluids for this purpose, by dispersing nanoparticles into the initial HTF to improve its thermo-physical properties, is one possible way to increase its heat transfer capacity. However, testing these properties at high temperature is not always easy. An experimental setup consisting of a thermohydraulic loop for high-temperature heat transfer measurements was developed in this work. The accuracy and repeatability of the measurements taken in the heat transfer loop were ensured. A nanofluid consisting of a commercial thermal oil, doped with Sn nanoparticles at 1 wt% and olive oil surfactant used to enhance colloidal stability, was tested and compared to the results obtained for the base fluid and the base fluid/stabiliser mixture employing their experimentally measured thermo-physical properties. The nanofluid generally enhanced the convective heat transfer coefficient in relation to the base fluid with enhancements of up to 7.23% at 200 °C and 9.43% at 140 °C vs. the pure base fluid. [-]
Publicado en
International Journal of Thermal Sciences, Vol. 171, no. 107243 (January 2022)Entidad financiadora
Universitat Jaume I | Ministerio de Economía y Competitividad (MINECO)
Código del proyecto o subvención
UJI-B2016-47 | ENE2016-77694-R | CA15119 | IG15119
Título del proyecto o subvención
Utilización de materiales de cambio de fase nanoencapsulados para la mejora de las propiedades térmicas de sales fundidas en aplicaciones de alta temperatura | Nanouptake - Overcoming barriers to nanofluids market uptake | Nanofluids for convective heat transfer devices (Nanoconvex).
Derechos de acceso
info:eu-repo/semantics/openAccess
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