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Applied Sciences
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Research on Heat Transfer Analysis in Fluid Dynamics
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Research on Heat Transfer Analysis in Fluid Dynamics

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Fluid Science and Technology".

Deadline for manuscript submissions: 31 August 2024 | Viewed by 1279

Special Issue Editors

Dr. Pan Wang

E-Mail Website
Guest Editor
School of Civil Engineering, Central South University, Changsha 410083, China
Interests: composites; solid mechanics; computational mechanics; multi-field coupling mechanics
Dr. Zhicheng Yuan

E-Mail Website
Guest Editor
School of Mechanical Engineering, Tongji University, Shanghai 201804, China
Interests: multiphase fluid-solid coupling numerical calculation; multiscale dynamic wetting; gas-liquid interface mass transfer and heat transfer; two-phase flow pattern and flow-induced vibration in microchannel

Special Issue Information

Dear Colleagues,

The goal of this Special Issue on "Research on Heat Transfer Analysis in Fluid Dynamics" is to gather and showcase the latest research advancements, findings, and innovative approaches in the field of heat transfer analysis in fluid dynamics. Heat transfer plays a fundamental role in various industrial and engineering applications, and understanding its behavior in fluid dynamics is crucial for optimizing energy efficiency, performance, and sustainability.

This Special Issue seeks original research articles, review papers, and case studies that delve into novel techniques, theoretical perspectives, experimental investigations, and computational models related to heat transfer analysis in fluid dynamics. Topics of interest include, but are not limited to, convection heat transfer in laminar and turbulent flows, heat transfer enhancement techniques in fluids, phase change heat transfer in multiphase systems, radiative heat transfer in participating media, heat transfer in porous media and nanofluids, experimental and numerical methods for heat transfer analysis, heat transfer in microfluidics and MEMS devices, and heat transfer in renewable energy systems and thermal management.

By fostering collaboration among researchers, engineers, and practitioners, this Special Issue aims to advance our fundamental understanding of heat transfer phenomena in fluid dynamics and provide innovative solutions to real-world challenges. The contributions to this Special Issue will enrich the existing knowledge base, promote interdisciplinary research, and stimulate further development in this field.

We welcome explorations of novel approaches, theoretical models, experimental investigations, and computational techniques related to heat transfer in fluid dynamics. Whether you are studying convection heat transfer, phase change phenomena, radiative heat transfer, or develo** new methods to enhance heat transfer, your work is pivotal in addressing industry challenges, promoting sustainable practices, and optimizing energy utilization.

Dr. Pan Wang
Dr. Zhicheng Yuan
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at mdpi.longhoe.net 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. Applied Sciences is an international peer-reviewed open access semimonthly 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 2400 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

  • heat transfer
  • fluid dynamics
  • multiphase systems
  • phase change materials
  • porous media
  • nanofluids

Published Papers (2 papers)

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Research

17 pages, 7026 KiB  
Article
Numerical Study of Coolant Flow Phenomena and Heat Transfer at the Cutting-Edge of Twist Drill
by Farhana Diba, Jamal Naser, Guy Stephens, Rizwan Abdul Rahman Rashid and Suresh Palanisamy
Appl. Sci. 2024, 14(13), 5450; https://doi.org/10.3390/app14135450 - 23 Jun 2024
Viewed by 444
Abstract
Cutting tool coolant channels play a pivotal role in machining processes, facilitating the efficient supply of cooling agents to high-stress areas and effective heat dissipation. Achieving optimal cooling at the tool’s cutting-edge is essential for enhancing production processes. Experimental investigations into tribological stress [...] Read more.
Cutting tool coolant channels play a pivotal role in machining processes, facilitating the efficient supply of cooling agents to high-stress areas and effective heat dissipation. Achieving optimal cooling at the tool’s cutting-edge is essential for enhancing production processes. Experimental investigations into tribological stress analysis can be limited in accessing complex tool–workpiece contact zones, prompting the use of numerical modelling to explore fluid dynamics and tribology. In this study, the coolant flow dynamics and heat dissipation in drilling operations were comprehensively investigated through computational fluid dynamics (CFD) modelling. Four twist drill models with varying coolant channel arrangements were studied: standard model drill, standard model drill with notch, profile model drill, and profile model drill with notch. Two distinct approaches are applied to the coolant inlet to assess the impact of operating conditions on fluid flow and heat dissipation at the cutting-edge. The findings emphasize that cutting-edge zones have insufficient coolant supply, particularly in modified drill models such as the standard model drill with notch and profile model drills with and without notch. Moreover, enhanced coolant supply at the cutting-edge is achieved under high-pressure inlet conditions. The standard model drill with a notch exhibited exceptional performance in reducing thermal load, facilitating efficient coolant escape to the flute for improved heat dissipation at the cutting-edge. Despite challenges like dead zones in profile models, the standard-with-notch model yielded the most promising results. Further analyses under constant pressure conditions at 40 and 60 bar exhibited enhanced fluid flow rates, particularly at the cutting-edge, leading to improved heat dissipation. The temperature distribution along the cutting-edge and outer corner demonstrated a decrease as the pressure increased. This study underscores the critical role of both coolant channel design and inlet pressure in optimizing coolant flow dynamics and heat transfer during drilling operations. The findings provide valuable insights for designing and enhancing coolant systems in machining processes, emphasizing the significance of not only coolant channel geometry but also inlet pressure for effective heat dissipation and enhanced tool performance. Full article
(This article belongs to the Special Issue Research on Heat Transfer Analysis in Fluid Dynamics)
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14 pages, 3219 KiB  
Article
A Numerical Study of the Effect of Water Speed on the Melting Process of Phase Change Materials Inside a Vertical Cylindrical Container
by Abbas Fadhil Khalaf, Farhan Lafta Rashid, Shaimaa Abdel Letif, Arman Ameen and Hayder I. Mohammed
Appl. Sci. 2024, 14(8), 3212; https://doi.org/10.3390/app14083212 - 11 Apr 2024
Viewed by 523
Abstract
The present work offers a thorough analysis of the impact of water velocity on phase change material (PCM) melting in a vertical cylindrical container. A detailed quantitative analysis uses sophisticated numerical techniques, namely the ANSYS/FLUENT 16 program, to clarify the complex relationship between [...] Read more.
The present work offers a thorough analysis of the impact of water velocity on phase change material (PCM) melting in a vertical cylindrical container. A detailed quantitative analysis uses sophisticated numerical techniques, namely the ANSYS/FLUENT 16 program, to clarify the complex relationship between enthalpy and porosity during the melting process. The experimental focus is on phase transition materials based on paraffin wax, particularly Rubitherm RT42. This study’s primary goal is to evaluate the effects of different water velocities (that is, at velocities of 0.01 m/s, 0.1 m/s, and 1 m/s) on the PCM’s melting behavior at a constant temperature of 333 K. This work intends to make a substantial contribution to the development of thermal energy storage systems by investigating new perspectives on PCM behavior under various flow circumstances. The study’s key findings highlight the possible ramifications for improving PCM-based thermal energy storage devices by revealing significant differences in melting rates and behavior that correlate to changes in water velocities. Future research is recommended to explore the impact of temperature variations, container geometries, and experimental validation to improve the accuracy and practicality of the results and to advance the creation of sustainable and effective energy storage solutions. Full article
(This article belongs to the Special Issue Research on Heat Transfer Analysis in Fluid Dynamics)
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