Mixed convection heat transfer in trapezoidal lid-driven cavity with uniformly heated inner circular cylinder

• Autorzy: Hussein Asmaa Ali

Identyfikatory

DOI

10.24425/ather.2023.147539

• Języki publikacji: EN

Abstrakty

EN

The present work comprises a numerical analysis using the Ansys program to solve the problem of combined free-forced convection around a circular cylinder located in a horizontal lid-driven trapezoidal enclosure. The enclosure is filled with water. The upper moving wall and lower fixed wall are cold at a constant temperature, whereas the inclined walls are adiabatically insulated. The uniformly heated cylinder is located at different positions in the cavity. The study covers three values of Richardson number (0.01, 1, and 10). The results show that the streamlines and isotherms in the enclosure, the Nusselt number and friction factor in the moving wall, hot wall and bottom wall are strongly dependent on the position of the inner hot cylinder. The results are validated with previous work, and the comparison gives good agreement.

Słowa kluczowe

EN

cavity; heat transfer; mixed convection; lid-driven

• Wydawca: Wydawnictwo Instytutu Maszyn Przepływowych PAN ; Komitet Termodynamiki i Spalania PAN
• Czasopismo: Archives of Thermodynamics
• Rocznik: 2023
• Tom: Vol. 44, no. 3
• Strony: 99--118
• Opis fizyczny: Bibliogr. 25 poz., rys.

Twórcy

autor

Hussein Asmaa Ali

• Middle Technical University, Institute of Technology/Baghdad, Baghdad, Iraq

Bibliografia

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Uwagi

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