Advances in the Film Flow Transport Phenomena

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Liquid–Fluid Coatings, Surfaces and Interfaces".

Deadline for manuscript submissions: closed (31 December 2023) | Viewed by 1999

Special Issue Editors


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Guest Editor
Institute of Mathematical Sciences, Faculty of Science, Universiti Malaya, Kuala Lumpur 50603, Malaysia
Interests: Boundary layer; heat transfer; thin film flow

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Guest Editor
Department of Mathematical Sciences, Faculty of Science & Technology, Universiti Kebangsaan Malaysia, Bangi 43600, Selangor, Malaysia
Interests: mechanics; mathematical analysis; heat transfer; natural convection and thermodynamics
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Special Issue Information

Dear Colleagues,

This Special Issue, “Advances in the Film Flow Transport Phenomena", intends to focus on recent developments and findings in the field of fluid dynamics, specifically regarding film flow, a type of fluid flow that occurs when a thin layer of fluid flows over a surface. The articles within this Special Issue will delve into the mechanisms and physics behind film flow, as well as the different techniques and methodologies used to study and analyze it. Some possible areas of focus for articles could include the following aspects:

  • The use of computational fluid dynamics (CFD) to simulate and analyze film flow;
  • The effect of various parameters (such as surface tension, viscosity, and fluid velocity) on film flow;
  • The use of various experimental techniques to study film flow, such as laser-induced fluorescence and molecular dynamics simulations;
  • The use of film flow in industrial applications, such as heat exchangers and lubrication systems.

Overall, this Special Issue on "Advances in the Film Flow Transport Phenomena" will provide a detailed and in-depth look at the current state of research in this field and would be of interest to researchers and engineers working in fluid dynamics and related fields.

Dr. Kohilavani Naganthran
Prof. Dr. Ishak Bin Hashim
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Coatings is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • thin-film flow
  • heat transfer
  • computational fluid dynamics
  • surface tension

Published Papers (2 papers)

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Research

14 pages, 3676 KiB  
Article
Coating Characteristics and Dynamics of Sponge Roller Coatings with Different Viscosities and Linear Speeds for Different Diameters of Rollers
by Yu Zhu, Yingjian Huang, Shuaishuai Lv, Hongjun Ni, Lin Zhou, Xingxing Wang, Changbin Lin and Xiaoyu Wu
Coatings 2023, 13(11), 1943; https://doi.org/10.3390/coatings13111943 - 14 Nov 2023
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Abstract
Coating technology, as a common coating method, is widely used in many industrial fields, among which the mattress industry utilizes it to bond sponges to produce foam mattresses. The thickness of the coating on the sponge is crucial to the quality and performance [...] Read more.
Coating technology, as a common coating method, is widely used in many industrial fields, among which the mattress industry utilizes it to bond sponges to produce foam mattresses. The thickness of the coating on the sponge is crucial to the quality and performance of the mattress. Hence, this study took the CNCHK-10 high-performance intelligent sponge roller coating as a model; simulated the roller coating process under different viscosities and linear speeds using fluid simulation; analyzed the effects of different viscosities of the coating liquid and the linear speeds of the rollers on the thickness of the coating; and derived the relationships between the viscosity of the coating liquid and the linear speed of the rollers and the thickness of the coating. The relationship between the viscosity of the coating liquid and the linear speed of the roller and coating thickness was obtained. The results show that in the viscosity range of the glue, the viscosity is 1.5 Pa·s when the coating thickness is the smallest, and, at this time, the amount of glue is about 74.1927 g/m2; in the adjustment range of the roller linear speed, the linear speed is 20 m/min when the coating thickness is the smallest, and, at this time, the amount of glue is about 74.1931 g/m2. The results of the study can be used for determining the coating process parameters for a reasonable selection and control to provide a theoretical basis. Full article
(This article belongs to the Special Issue Advances in the Film Flow Transport Phenomena)
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19 pages, 1942 KiB  
Article
Thermocapillarity in Cross Hybrid Nanofilm Flow Past an Unsteady Stretching Sheet
by Kohilavani Naganthran, Ishak Hashim, Roslinda Nazar, Dian Adline Jalaluddin and Elayaraja Aruchunan
Coatings 2023, 13(4), 702; https://doi.org/10.3390/coatings13040702 - 30 Mar 2023
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Abstract
The present work is highly interested in examining the transport phenomena of the thin Cross hybrid nanofluid film flow over a continuously stretching surface. The proposed thin film flow study elucidates the film extrusion process, which is prominent in the packaging industry. With [...] Read more.
The present work is highly interested in examining the transport phenomena of the thin Cross hybrid nanofluid film flow over a continuously stretching surface. The proposed thin film flow study elucidates the film extrusion process, which is prominent in the packaging industry. With the intention of improvising the quality of the coating process, the thermocapillarity and injection effects have been probed in the present model. A suitable similarity transformation and the MATLAB software aid in producing accurate numerical solutions. The accumulated numerical results indicate that an increment in the hybrid nanofluid viscosity and surface tension intensity reduces the wall shear stress past the permeable stretching sheet and improves the heat transfer rate. Remarkably, negative film thickness has been identified when the unsteadiness parameter is greater than or equal to 0.9 while the thermocapillarity parameter falls within the range of 0 and 0.6. Full article
(This article belongs to the Special Issue Advances in the Film Flow Transport Phenomena)
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