Response of rotational parameter in the stagnation point with motile microorganism: Unsteady nanofluid

Mohamed A. Khadimallah , Imene Harbaoui , Sofiene Helaili , Abdelhakim Benslimane , Humaira Sharif , Muzamal Hussain , Muhammad Nawaz Naeem , Mohamed R. Ali , Aqib Majeed , Abdelouahed Tounsi

Abstract

The unsteady mixed convection Casson type MHD nanofluid flow in the stagnation point with motile microorganism around a spinning sphere is investigated. Time dependent flow dynamics is considered. Similarity transformations have been employed to transfer the governing partial differential structure into ordinary differential structure. The impact of distinct parameters is examined via tables and graphs. The impact of rotational parameter (spin) on profiles of velocity profiles, temperature and concentration is revealed for unsteady mixed convection Casson type MHD nanofluid flow. It is observed that it is clear that rotational parameter has a great effect on non-dimensional primary velocity component but rotational parameter has a slight impact on non-dimensional secondary velocity component. The validity of the current investigation is authorized through comparing the existing outcomes with previous published literature.

Key Words

casson type MHD nanofluid; non-dimensional secondary velocity component; unsteady mixed convection; velocity profiles

Address

(1) Mohamed A. Khadimallah — Department of Civil Engineering, College of Engineering in Al-Kharj, Prince Sattam Bin Abdulaziz University, Al-Kharj, 11942, Saudi Arabia
(2) Imene Harbaoui — Laboratory of Applied Mechanics and Engineering LR-MAI, University Tunis El Manar- -ENIT BP37- Le belvedere, 1002, Tunisia
(3) Sofiene Helaili — Carthage University, Tunisia Polytechnic School, LASMAP (LR03ES06), La Marsa, Tunisia
(4) Sofiene Helaili — Carthage University, ISTEUB, Tunis, Tunisia
(5) Abdelhakim Benslimane — Laboratoire de Mécanique Matériaux et Énergétique (L2ME), Département Génie Mécanique, Faculté de Technologie, Université de Bejaia, 06000 Bejaia, Algérie
(6) Humaira Sharif, Muzamal Hussain, Muhammad Nawaz Naeem — Department of Mathematics, Govt. College University Faisalabad, 38000, Faisalabad, Pakistan
(7) Mohamed R. Ali — Faculty of Engineering and Technology, Future University in Egypt New Cairo 11835, Egypt
(8) Mohamed R. Ali — Basic Engineering Science Department, Benha Faculty of Engineering, Benha University, Benha, Egypt
(9) Aqib Majeed — Department of Mathematics, The University of Faisalabad, Sargodha Road, University Town Faisalabad, 38000, Pakistan
(10) Abdelouahed Tounsi — YFL (Yonsei Frontier Lab), Yonsei University, Seoul, Korea
(11) Abdelouahed Tounsi — Department of Civil and Environmental Engineering, King Fahd University of Petroleum & Minerals, 31261 Dhahran, Eastern Province, Saudi Arabia.

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