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Thermal progress of unsteady separated stagnation point flow with magnetic field and heat generation in hybrid ferrofluid

This paper examines the unsteady separated stagnation point (USSP) flow and thermal progress of Fe3O4–CoFe2O4/H2O on a moving plate subject to the heat generation and MHD effects. The model of the flow includes the boundary layer and energy equations. These equations are then simplified with the aid...

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Main Authors: Najiyah Safwa, Khasi’ie, Waini, Iskandar, Nurul Amira, Zainal, Khairum, Hamzah, Abdul Rahman, Mohd Kasim, Norihan, Md Arifin, Pop, Ioan Mihai
Format: Article
Language:English
Published: MDPI 2022
Subjects:
Q Science (General)
QA Mathematics
Online Access:http://umpir.ump.edu.my/id/eprint/40218/1/Thermal%20progress%20of%20unsteady%20separated%20stagnation%20point%20flow.pdf
http://umpir.ump.edu.my/id/eprint/40218/
https://doi.org/10.3390/nano12183205
https://doi.org/10.3390/nano12183205
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spelling my.ump.umpir.402182024-02-09T07:47:32Z http://umpir.ump.edu.my/id/eprint/40218/ Thermal progress of unsteady separated stagnation point flow with magnetic field and heat generation in hybrid ferrofluid Najiyah Safwa, Khasi’ie Waini, Iskandar Nurul Amira, Zainal Khairum, Hamzah Abdul Rahman, Mohd Kasim Norihan, Md Arifin Pop, Ioan Mihai Q Science (General) QA Mathematics This paper examines the unsteady separated stagnation point (USSP) flow and thermal progress of Fe3O4–CoFe2O4/H2O on a moving plate subject to the heat generation and MHD effects. The model of the flow includes the boundary layer and energy equations. These equations are then simplified with the aid of similarity variables. The numerical results are generated by the bvp4c function and then presented in graphs and tables. The magnetic and acceleration (strength of the stagnation point flow) parameters are the contributing factors in the augmentation of the skin friction and heat transfer coefficients. However, the enhancement of heat generation parameter up to 10% shows a reduction trend in the thermal rate distribution of Fe3O4–CoFe2O4/H2O. This finding reveals the effectiveness of heat absorption as compared to the heat generation in the thermal flow process. From the stability analysis, the first solution is the physical solution. The streamline for the first solution acts as a normal stagnation point flow, whereas the second solution splits into two regions, proving the occurrence of reverse flow. MDPI 2022-09 Article PeerReviewed pdf en cc_by_4 http://umpir.ump.edu.my/id/eprint/40218/1/Thermal%20progress%20of%20unsteady%20separated%20stagnation%20point%20flow.pdf Najiyah Safwa, Khasi’ie and Waini, Iskandar and Nurul Amira, Zainal and Khairum, Hamzah and Abdul Rahman, Mohd Kasim and Norihan, Md Arifin and Pop, Ioan Mihai (2022) Thermal progress of unsteady separated stagnation point flow with magnetic field and heat generation in hybrid ferrofluid. Nanomaterials, 12 (3205). pp. 1-15. ISSN 2079-4991. (Published) https://doi.org/10.3390/nano12183205 https://doi.org/10.3390/nano12183205
institution Universiti Malaysia Pahang Al-Sultan Abdullah
building UMPSA Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Pahang Al-Sultan Abdullah
content_source UMPSA Institutional Repository
url_provider http://umpir.ump.edu.my/
language English
topic Q Science (General)
QA Mathematics
spellingShingle Q Science (General)
QA Mathematics
Najiyah Safwa, Khasi’ie
Waini, Iskandar
Nurul Amira, Zainal
Khairum, Hamzah
Abdul Rahman, Mohd Kasim
Norihan, Md Arifin
Pop, Ioan Mihai
Thermal progress of unsteady separated stagnation point flow with magnetic field and heat generation in hybrid ferrofluid
description This paper examines the unsteady separated stagnation point (USSP) flow and thermal progress of Fe3O4–CoFe2O4/H2O on a moving plate subject to the heat generation and MHD effects. The model of the flow includes the boundary layer and energy equations. These equations are then simplified with the aid of similarity variables. The numerical results are generated by the bvp4c function and then presented in graphs and tables. The magnetic and acceleration (strength of the stagnation point flow) parameters are the contributing factors in the augmentation of the skin friction and heat transfer coefficients. However, the enhancement of heat generation parameter up to 10% shows a reduction trend in the thermal rate distribution of Fe3O4–CoFe2O4/H2O. This finding reveals the effectiveness of heat absorption as compared to the heat generation in the thermal flow process. From the stability analysis, the first solution is the physical solution. The streamline for the first solution acts as a normal stagnation point flow, whereas the second solution splits into two regions, proving the occurrence of reverse flow.
format Article
author Najiyah Safwa, Khasi’ie
Waini, Iskandar
Nurul Amira, Zainal
Khairum, Hamzah
Abdul Rahman, Mohd Kasim
Norihan, Md Arifin
Pop, Ioan Mihai
author_facet Najiyah Safwa, Khasi’ie
Waini, Iskandar
Nurul Amira, Zainal
Khairum, Hamzah
Abdul Rahman, Mohd Kasim
Norihan, Md Arifin
Pop, Ioan Mihai
author_sort Najiyah Safwa, Khasi’ie
title Thermal progress of unsteady separated stagnation point flow with magnetic field and heat generation in hybrid ferrofluid
title_short Thermal progress of unsteady separated stagnation point flow with magnetic field and heat generation in hybrid ferrofluid
title_full Thermal progress of unsteady separated stagnation point flow with magnetic field and heat generation in hybrid ferrofluid
title_fullStr Thermal progress of unsteady separated stagnation point flow with magnetic field and heat generation in hybrid ferrofluid
title_full_unstemmed Thermal progress of unsteady separated stagnation point flow with magnetic field and heat generation in hybrid ferrofluid
title_sort thermal progress of unsteady separated stagnation point flow with magnetic field and heat generation in hybrid ferrofluid
publisher MDPI
publishDate 2022
url http://umpir.ump.edu.my/id/eprint/40218/1/Thermal%20progress%20of%20unsteady%20separated%20stagnation%20point%20flow.pdf
http://umpir.ump.edu.my/id/eprint/40218/
https://doi.org/10.3390/nano12183205
https://doi.org/10.3390/nano12183205
_version_ 1822924128358760448
score 13.235362

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