Heat transfer intensification of nanomaterial with involve of swirl flow device concerning entropy generation

Abstract The thermal features of hybrid nano-powder turbulent motion through a pipe employing helical turbulator is numerically simulated via Finite Volume Method (FVM). The hybrid nanofluid (MWCNTs + Fe3O4 + H2O) is obtained by uniformly dispersing MWCNTs + Fe3O4 nanomaterials in H2O. The character...

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Autores principales:	Zahir Shah, M. Jafaryar, M. Sheikholeslami, Ikramullah, Poom Kumam
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/00e6e019bf044feea50a3d6e726ff363
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spelling	oai:doaj.org-article:00e6e019bf044feea50a3d6e726ff3632021-12-02T16:04:22ZHeat transfer intensification of nanomaterial with involve of swirl flow device concerning entropy generation10.1038/s41598-021-91806-y2045-2322https://doaj.org/article/00e6e019bf044feea50a3d6e726ff3632021-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-91806-yhttps://doaj.org/toc/2045-2322Abstract The thermal features of hybrid nano-powder turbulent motion through a pipe employing helical turbulator is numerically simulated via Finite Volume Method (FVM). The hybrid nanofluid (MWCNTs + Fe3O4 + H2O) is obtained by uniformly dispersing MWCNTs + Fe3O4 nanomaterials in H2O. The characteristics features of thermal energy transfer of hybrid nanofluid are investigated by varying the pitch ratio (P) of the helical turbulator and Reynolds number (Re) of the fluid. The outputs of the study are depicted in terms of contour plots of temperature, velocity, frictional irreversibility Sgen,f, and thermal irreversibility Sgen,th. The variation of Sgen,f, and Sgen,th with changing P and Re are also displayed by 3D plots. It is found that making the fluid more turbulent by increasing Re, the temperature of the fluid drops whereas the fluid velocity augments. The frictional irreversibility enhances, whereas the thermal irreversibility drops with the increasing turbulent motion. The decreasing P causes to drop the temperature of the higher turbulent fluid flow, while opposite effect is observed for smaller Re. The decreasing P causes to enhance the fluid mixing and thus augments the fluid velocity. Sgen,f and Sgen,th both augment with decreasing P. The comparison of current outputs with the older article shows an acceptable accuracy. The results of the present investigation will be useful in modelling of efficient thermal energy transfer systems.Zahir ShahM. JafaryarM. SheikholeslamiIkramullahPoom KumamNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-15 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Zahir Shah M. Jafaryar M. Sheikholeslami Ikramullah Poom Kumam Heat transfer intensification of nanomaterial with involve of swirl flow device concerning entropy generation
description	Abstract The thermal features of hybrid nano-powder turbulent motion through a pipe employing helical turbulator is numerically simulated via Finite Volume Method (FVM). The hybrid nanofluid (MWCNTs + Fe3O4 + H2O) is obtained by uniformly dispersing MWCNTs + Fe3O4 nanomaterials in H2O. The characteristics features of thermal energy transfer of hybrid nanofluid are investigated by varying the pitch ratio (P) of the helical turbulator and Reynolds number (Re) of the fluid. The outputs of the study are depicted in terms of contour plots of temperature, velocity, frictional irreversibility Sgen,f, and thermal irreversibility Sgen,th. The variation of Sgen,f, and Sgen,th with changing P and Re are also displayed by 3D plots. It is found that making the fluid more turbulent by increasing Re, the temperature of the fluid drops whereas the fluid velocity augments. The frictional irreversibility enhances, whereas the thermal irreversibility drops with the increasing turbulent motion. The decreasing P causes to drop the temperature of the higher turbulent fluid flow, while opposite effect is observed for smaller Re. The decreasing P causes to enhance the fluid mixing and thus augments the fluid velocity. Sgen,f and Sgen,th both augment with decreasing P. The comparison of current outputs with the older article shows an acceptable accuracy. The results of the present investigation will be useful in modelling of efficient thermal energy transfer systems.
format	article
author	Zahir Shah M. Jafaryar M. Sheikholeslami Ikramullah Poom Kumam
author_facet	Zahir Shah M. Jafaryar M. Sheikholeslami Ikramullah Poom Kumam
author_sort	Zahir Shah
title	Heat transfer intensification of nanomaterial with involve of swirl flow device concerning entropy generation
title_short	Heat transfer intensification of nanomaterial with involve of swirl flow device concerning entropy generation
title_full	Heat transfer intensification of nanomaterial with involve of swirl flow device concerning entropy generation
title_fullStr	Heat transfer intensification of nanomaterial with involve of swirl flow device concerning entropy generation
title_full_unstemmed	Heat transfer intensification of nanomaterial with involve of swirl flow device concerning entropy generation
title_sort	heat transfer intensification of nanomaterial with involve of swirl flow device concerning entropy generation
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/00e6e019bf044feea50a3d6e726ff363
work_keys_str_mv	AT zahirshah heattransferintensificationofnanomaterialwithinvolveofswirlflowdeviceconcerningentropygeneration AT mjafaryar heattransferintensificationofnanomaterialwithinvolveofswirlflowdeviceconcerningentropygeneration AT msheikholeslami heattransferintensificationofnanomaterialwithinvolveofswirlflowdeviceconcerningentropygeneration AT ikramullah heattransferintensificationofnanomaterialwithinvolveofswirlflowdeviceconcerningentropygeneration AT poomkumam heattransferintensificationofnanomaterialwithinvolveofswirlflowdeviceconcerningentropygeneration
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Heat transfer intensification of nanomaterial with involve of swirl flow device concerning entropy generation

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