Thermal state of a conical antenna cooled by means of nanofluid saturated porous media

A. Baïri, N. Alilat, T. Csak, K. Adeyeye, A. Martín-Garín and J. A. Millán-García
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A. Baïri: Université de Paris, Laboratoire Thermique Interfaces Environnement (LTIE), EA 4415, 50, Rue de Sèvres, F-92410 Ville d’Avray, France
N. Alilat: Université de Paris, Laboratoire Thermique Interfaces Environnement (LTIE), EA 4415, 50, Rue de Sèvres, F-92410 Ville d’Avray, France
T. Csak: Université de Paris, Laboratoire Thermique Interfaces Environnement (LTIE), EA 4415, 50, Rue de Sèvres, F-92410 Ville d’Avray, France
K. Adeyeye: ��University of Bath, Department of Architecture and Civil Engineering, Claverton Down, Bath, UK
A. Martín-Garín: ��Universidad del Pais Vasco UPV/EHU, Department of Thermal Engineering, ENEDI Research Group, Plaza Europa 1, 20018 Donostia-San Sebastián, Spain
J. A. Millán-García: ��Universidad del Pais Vasco UPV/EHU, Department of Thermal Engineering, ENEDI Research Group, Plaza Europa 1, 20018 Donostia-San Sebastián, Spain

International Journal of Modern Physics C (IJMPC), 2022, vol. 33, issue 01, 1-11

Abstract: Thermal state of a conical antenna used for big data transfer was determined in this work. Its cooling is provided through porous media saturated with water-based copper nanofluid (NF) whose volume fraction varies in the 0% (pure water) −10% range. Otherwise, the ratio between the thermal conductivity of the highly porous material and that of the fluid base (water) varies between 4 and 41.2. The solution is obtained by means of 3D numerical approach based on the volume control method using the SIMPLE algorithm in the large 3.32×105–6.74×107 Rayleigh number range. The average temperature of the antenna can be determined with the correlation proposed in this work for any combination of the thermal conductivity ratio, volume fraction and Rayleigh number. This new and original correlation makes it possible to determine the optimal values of these three influencing parameters to ensure the correct antenna’s operation.

Keywords: Thermal sizing; water–copper nanofluid; porous media; free convection; electronics engineering; conical antenna (search for similar items in EconPapers)
Date: 2022
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DOI: 10.1142/S0129183122500024

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