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Inclination angle effect on natural convection in a square cavity partially filled with non-Newtonian fluids layer

  • Ammar I. Alsabery
  • , Salam H. Hussain
  • , Habibis Saleh
  • , Ishak Hashim
  • Universiti Kebangsaan Malaysia
  • University of Babylon

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

4 Scopus citations

Abstract

The problem of inclination angle effect on natural convection in a square cavity partially filled with non-Newtonian fluid layer is studied numerically using The Finite Volume Method. Governing equations are solved over wide range of Darcy number (10-5 ≤ Da ≤ 10-1), power-law index(0.6 ≤ n ≤ 1.4), the inclination angle of the cavity (0° ≤ ω ≤ 90°), Rayleigh number (Ra = 105) and porous layer thickness (S = 0.5). The results presented for values of the governing parameters in terms of streamlines in both porous/non-Newtonian fluid-layer, isotherms in both porous/non-Newtonian fluid-layer and average Nusselt number. It is shown that the heat transfer has maximum value when the power-law index is less than one (pseudoplastic fluid), and then decreases remarkably as the power-law index increases. The results have possible applications in heat-removal and heat-storage non-Newtonian fluid-saturated porous systems.

Original languageEnglish
Title of host publication2015 UKM FST Postgraduate Colloquium
Subtitle of host publicationProceedings of the Universiti Kebangsaan Malaysia, Faculty of Science and Technology 2015 Postgraduate Colloquium
EditorsNurul Izzaty Hassan, Mohd Salmi Md Noorani, Nazlina Ibrahim, Mohd Shahrul Mohd Nadzir, Noor Baa'yah Ibrahim, Nurul Huda Abd Karim, Humaida Banu Samsudin, Hani Kartini Agustar, Zahari Ibarahim, Asmat Ahmad, Sakhinah Abu Bakar, Saiful Irwan Zubairi, Marlia Mohd Hanafiah, Izfa Riza Hazmi
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735413252
DOIs
StatePublished - 25 Sep 2015
Externally publishedYes
Event2015 Postgraduate Colloquium of the Universiti Kebangsaan Malaysia, Faculty of Science and Technology, UKM FST 2015 - Selangor, Malaysia
Duration: 15 Apr 201516 Apr 2015

Publication series

NameAIP Conference Proceedings
Volume1678
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference2015 Postgraduate Colloquium of the Universiti Kebangsaan Malaysia, Faculty of Science and Technology, UKM FST 2015
Country/TerritoryMalaysia
CitySelangor
Period15/04/1516/04/15

Keywords

  • Natural Convection
  • Partially Filled
  • Porous Medium
  • Power-law

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