Multi-Phase Flow and Heat Transfer Processes in Thermal Engineering and Technology

A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Energy Systems".

Deadline for manuscript submissions: 31 October 2026 | Viewed by 640

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Department of Mechanical and Industrial Engineering, Toronto Metropolitan University, Toronto, ON M5B 2K3, Canada
Interests: computational fluid dynamics; material science; flow in porous media; biomedical engineering; thermofluid; phase change materials
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Special Issue Information

Dear Colleagues,

This Special Issue aims to cover a wide range of research in the fields of thermal engineering and technology, which may include heat and mass transfer and fluid flow, new energy materials, waste-to-energy conversion, energy storage technologies, energy management, and thermal engineering in environmental sustainability. Contributions can be experimental, numerical, or both.

The 16th International Conference on Thermal Engineering (ICTEA, www.ictea.ca) is to be held in Bucharest, Romania, 18–20 June 2025. This conference covers significant topics related to this Special Issue. Papers attracting the most interest at the conference, or those that provide novel contributions, will be selected for publication in this Special Issue of Processes. These papers will be peer-reviewed to validate their research results, developments, and applications.

Prof. Dr. Ziad Saghir
Guest Editor

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Keywords

  • thermal engineering
  • heat transfer
  • multi-phase flow
  • energy conversion
  • environmental engineering

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Published Papers (1 paper)

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Research

21 pages, 2703 KB  
Article
Experimental and Numerical Replication of Thermal Conditions in High-Pressure Die-Casting Process
by Abdelfatah M. Teamah, Ahmed M. Teamah, Mohamed S. Hamed and Sumanth Shankar
Processes 2025, 13(12), 3815; https://doi.org/10.3390/pr13123815 - 25 Nov 2025
Viewed by 232
Abstract
Acquiring reliable thermal data during the high-pressure die-casting (HPDC) process remains a significant challenge due to its complexity and rapidly evolving thermal environment. In industrial settings, the influence of process parameters is typically evaluated after solidification by examining the final casting quality, as [...] Read more.
Acquiring reliable thermal data during the high-pressure die-casting (HPDC) process remains a significant challenge due to its complexity and rapidly evolving thermal environment. In industrial settings, the influence of process parameters is typically evaluated after solidification by examining the final casting quality, as direct temperature measurements within the die during operation are difficult to obtain. Additionally, most casting simulation tools lack accurate correlations for the interfacial heat transfer coefficient (IHTC) as a function of process parameters. To address this limitation, a laboratory-scale hot chamber die-casting (HCDC) apparatus was developed to replicate the fluid flow and the thermal conditions of industrial HPDC operation while enabling direct thermal measurements inside the die cavity using embedded thermocouples. The molten metal temperature was estimated using the lumped capacitance method, and the IHTC was determined through a custom inverse heat conduction algorithm incorporating an adaptive forward time-stepping scheme. This algorithm was validated by solving the forward heat conduction problem using the ANSYS 2025 R1 Transient Thermal solver. The experimentally obtained IHTC values showed good agreement with those measured during industrial HPDC trials, with a maximum deviation of about 14% in the peak value, while the full width at half maximum (FWHM) differed by less than 12%. These results confirm that the developed HCDC setup can reliably reproduce industrial thermal conditions and generate high-quality thermal data that can be used in numerical casting simulations. Full article
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