CHARACTERISTICS AND THERMAL PERFORMANCE OF NANOFLUID FILM OVER HORIZONTAL MULTI-FACETED CYLINDER
Alumina; Brownian movement; Circular cylinders; Diffusion in liquids; Film thickness; Flow of fluids; Nanofluidics; Numerical methods; Shear flow; Shear stress; Titanium dioxide; Falling film; Falling film on tube;; Heat transfer co-efficients; Heat transfer coefficient;; Horizontal-tube; Multi shap...
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Global Digital Central
2023
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my.uniten.dspace-271832023-05-29T17:40:38Z CHARACTERISTICS AND THERMAL PERFORMANCE OF NANOFLUID FILM OVER HORIZONTAL MULTI-FACETED CYLINDER Amir F.M. Yusoff M.Z. Hassan S.H.A. 57538047600 7003976733 7201618347 Alumina; Brownian movement; Circular cylinders; Diffusion in liquids; Film thickness; Flow of fluids; Nanofluidics; Numerical methods; Shear flow; Shear stress; Titanium dioxide; Falling film; Falling film on tube;; Heat transfer co-efficients; Heat transfer coefficient;; Horizontal-tube; Multi shapes; Multi-geometry; Nanofluid film; Nanofluids; Non-circular; Non-circular cylinder; Volume of fluids; Wall shear stress; Wall-shear stress; Aluminum oxide Nanofluid film on a horizontal tube is investigated numerically on the circular and multi-faceted cylinder. The fluid flow characteristics, including film thickness, shear stress, and thermal performance, are observed and analyzed. Fluid film on the circular surface is typical in many engineering applications, but the study of nanofluid film on non-circular surface is deficient in literature. The study provides a numerical model of a multi-faceted cylinder to simulate the nanofluid film on the non-circular surfaces using a volume of fluid (VOF) method. The ratio of Brownian motion to thermophoretic diffusion, NBT developed along the film thickness in phases, in which the dominant phase, the steady-state NBT phase, can be used as the average NBT. Although, in general, the heat transfer performance of Alumina and Titania is better than water, producing higher HTC and Nu on both cylinders, Water, however, displays significant improvement relative to the base thermal performance of water fluid film on the circular cylinder. � 2022, Global Digital Central. All rights reserved. Final 2023-05-29T09:40:37Z 2023-05-29T09:40:37Z 2022 Article 10.5098/hmt.18.27 2-s2.0-85131833443 https://www.scopus.com/inward/record.uri?eid=2-s2.0-85131833443&doi=10.5098%2fhmt.18.27&partnerID=40&md5=d05d146bd4a4c66356d00c6d806f58ba https://irepository.uniten.edu.my/handle/123456789/27183 18 27 All Open Access, Gold Global Digital Central Scopus |
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| description |
Alumina; Brownian movement; Circular cylinders; Diffusion in liquids; Film thickness; Flow of fluids; Nanofluidics; Numerical methods; Shear flow; Shear stress; Titanium dioxide; Falling film; Falling film on tube;; Heat transfer co-efficients; Heat transfer coefficient;; Horizontal-tube; Multi shapes; Multi-geometry; Nanofluid film; Nanofluids; Non-circular; Non-circular cylinder; Volume of fluids; Wall shear stress; Wall-shear stress; Aluminum oxide |
| author2 |
57538047600 |
| author_facet |
57538047600 Amir F.M. Yusoff M.Z. Hassan S.H.A. |
| format |
Article |
| author |
Amir F.M. Yusoff M.Z. Hassan S.H.A. |
| spellingShingle |
Amir F.M. Yusoff M.Z. Hassan S.H.A. CHARACTERISTICS AND THERMAL PERFORMANCE OF NANOFLUID FILM OVER HORIZONTAL MULTI-FACETED CYLINDER |
| author_sort |
Amir F.M. |
| title |
CHARACTERISTICS AND THERMAL PERFORMANCE OF NANOFLUID FILM OVER HORIZONTAL MULTI-FACETED CYLINDER |
| title_short |
CHARACTERISTICS AND THERMAL PERFORMANCE OF NANOFLUID FILM OVER HORIZONTAL MULTI-FACETED CYLINDER |
| title_full |
CHARACTERISTICS AND THERMAL PERFORMANCE OF NANOFLUID FILM OVER HORIZONTAL MULTI-FACETED CYLINDER |
| title_fullStr |
CHARACTERISTICS AND THERMAL PERFORMANCE OF NANOFLUID FILM OVER HORIZONTAL MULTI-FACETED CYLINDER |
| title_full_unstemmed |
CHARACTERISTICS AND THERMAL PERFORMANCE OF NANOFLUID FILM OVER HORIZONTAL MULTI-FACETED CYLINDER |
| title_sort |
characteristics and thermal performance of nanofluid film over horizontal multi-faceted cylinder |
| publisher |
Global Digital Central |
| publishDate |
2023 |
| _version_ |
1806423356437692416 |
| score |
13.214268 |