Numerical study of heating transfer by natural convection in an inclined elliptical cylinder charged with nanofluid

• Autorzy: Amroune Amina , Bouras Abdelkrim , Taloub Djedid , Driss Zied

Identyfikatory

DOI

10.59441/ijame/172896

• Języki publikacji: EN

Abstrakty

EN

In this paper, thermal transfer with natural convection in a tilted annular cylinder with a Cu-water nanofluid has been numerically studied. The hot interior and cold exterior elliptical surfaces of the enclosure were maintained at constant temperatures Th and Tc , respectively. The governing equations were solved by the stream function-vorticity approach. The finite volume approach was utilized to discretise the controlling equations. The volume fraction range of the nanoparticles and the Rayleigh number was as follows: [...] respectively. The inclination angles were γ=30°,45°,and 60°. Results were given as isotherm contours, streamlines, average and local Nusselt numbers. The results indicate that the thermal transfer ratio increases with an increase in the tilt angle, regardless of the nanoparticle size values. and the impact of the inclination angle on the heating transfer rate is more important the higher the Rayleigh number and the more convection there is.

Słowa kluczowe

EN

elliptic cylinder; nanofluid; Rayleigh number; heat transfer; inclination angle

PL

walec eliptyczny; nanociecz; liczba Rayleigha; przenikanie ciepła; kąt nachylenia

• Wydawca: Oficyna Wydawnicza Uniwersytetu Zielonogórskiego
• Czasopismo: International Journal of Applied Mechanics and Engineering
• Rocznik: 2023
• Tom: Vol. 28, no. 3
• Strony: 28--41
• Opis fizyczny: Bibliogr. 32 poz., rys., tab., wykr.

Twórcy

autor

Amroune Amina

• Department of Physics, Faculty of Sciences, University Mohamed Boudiaf of M'sila, ALGERIA
• Laboratory of Materials et Énergies Renouvelables, University Mohamed Boudiaf of M'sila, ALGERIA

autor

Bouras Abdelkrim

• Department of Physics, Faculty of Sciences, University Mohamed Boudiaf of M'sila, ALGERIA

autor

Taloub Djedid

• Department of Physics, Faculty of Sciences, University Mohamed Boudiaf of M'sila, ALGERIA
• Laboratory of Materials Physics and its Applications, University Mohamed Boudiaf of M’sila, ALGERIA

autor

Driss Zied

• Department of Mechanics, Electromechanical Systems Laboratory, University of Sfax, (ENIS), TUNISIA

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024)