Investigation of entropy generation of nanomaterial within a chamber


Zhang Y.-F. Issakhov A. Selim M.M. Vuong B.X. Anh H.T.
April 2023Springer Science and Business Media Deutschland GmbH

Applied Nanoscience (Switzerland)
2023#13Issue 42693 - 2710 pp.

Behavior of hybrid nanofluid in views of irreversibility and convection was scrutinized in current article. Influences of Lorentz, gravity and permeability on isotherms, components of irreversibility were depicted. With involve of single-phase model, properties of carrier fluid were estimated and related terms of porous zones were added in momentum equations as well as Lorentz forces. CVFEM was applied and new formulations for Nu and Be were offered according to achieved data. The variables are permeability, gravity and Lorentz forces and contours for various values of them were depicted. As Ra and permeability increase the isotherms become more complicated and it means higher convection. Rise of these factors makes velocity of testing fluid to increase. Augmenting Ha acts against the gravity force and velocity reduces. Temperature of inner wall declines about 15% with augment of permeability while it rises 17.65% with augment of Ha. Nu decreases about 19.93% with augment of Ha while it enhances about 80.44% and 7.52% with growth of Ra and permeability. Be declines about 2.82% and 80.3% with augment of permeability and Ra. Also, Be rises about 24.57% with grow of Ha.

Elliptic wall , Entropy , Hybrid nanoparticles , Natural convection , Permeability

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School of Mathematics and Information Science, Henan Polytechnic University, Jiaozuo, 454000, China
Department of Mathematical and Computer Modeling, Al-Farabi Kazakh National University, Almaty, Kazakhstan
Department of Mathematical and Computer Modeling, Kazakh-British Technical University, Almaty, Kazakhstan
Department of Mathematics, Al-Aflaj College of Science and Humanities Studies, Prince Sattam Bin Abdulaziz University, Al-Kharj, 710-11912, Saudi Arabia
Department of Mathematics, Suez Faculty of Science, Suez University, Suez, Egypt
Faculty of Pedagogy in Natural Sciences, Sai Gon University, Ho Chi Minh, 700 000, Viet Nam
Thu Dau Mot University, 6 Tran Van On Street, Phu Hoa Ward, Binh Duong, Thu Dau Mot, 820000, Viet Nam

School of Mathematics and Information Science
Department of Mathematical and Computer Modeling
Department of Mathematical and Computer Modeling
Department of Mathematics
Department of Mathematics
Faculty of Pedagogy in Natural Sciences
Thu Dau Mot University

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