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Selected Papers from XV International Conference on Computational Heat, Mass and Momentum Transfer (ICCHMT2024)

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "J1: Heat and Mass Transfer".

Deadline for manuscript submissions: 31 January 2025 | Viewed by 1247

Special Issue Editors

Prof. Dr. Jan Taler

E-Mail Website
Guest Editor
Department of Energy, Cracow University of Technology, ul. Warszawska 24, 31-155 Cracow, Poland
Interests: power engineering; thermodynamics; heat transfer; inverse heat transfer problems; steam boiler dynamics; thermal stresses
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Tomasz Sobota

E-Mail Website
Guest Editor
Department of Thermal Processes, Air Protection and Waste Utilization, Cracow University of Technology, 31-155 Cracow, Poland
Interests: mathematical modelling and experimental studies of heat exchangers; identification of the actual operating conditions of energy machines and equipment (measurement of temperature, heat flux density, heat transfer and heat transfer coefficients, pollution emissions); nuclear power engineering; heat recovery in power units; possibility of revitalisation of coal-fired power plants; environmental protection in power engineering (technologies for emission reduction to the atmosphere); renewable power engineering (wind and solar energy)
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

ICCHMT is an international conference series that is widely recognized and respected in the international scientific community. Professor Abdulmajeed A. Mohamad founded ICCHMT from the University of Calgary, and for nearly 20 years it has taken place in different parts of the world: Magusa, Cyprus (1999); Rio de Janeiro, Brazil (2001); Banff, Canada (2003); Paris, France (2005); Canmore, Canada (2007); Guangzhou, China (2009); Istanbul, Turkey (2011 and 2015); Cracow, Poland (2016); Seoul, South Korea (2017); Cracow, Poland (2018); Rome, Italy (2019); Paris, France (2020);  Paris, France (2021); and Rhodes island, Greece (2022); and Düsseldorf, Germany (2023). In 2024, the Conference will be held in Krakow, Poland. The conference topics dedicated to energy topics are as follows:

  • Heat Exchangers/heat pipe;
  • Fluid machinery;
  • Internal flow and heat transfer;
  • Micro/nano heat and mass transfer;
  • Mixing devices and phenomena;
  • Multi-phase flows;
  • Reactive flows and combustion;
  • Steam and gas turbines;
  • Technology for renewable energy sources;
  • Thermal flow visualization;
  • Thermal fluid machinery;
  • Transport phenomena in porous media;
  • Waste management and waste disposal.

Therefore, manuscripts within these research areas are most welcome.

Prof. Dr. Jan Taler
Prof. Dr. Tomasz Sobota
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. Energies 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 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

  • energy systems
  • energy machinery
  • thermal power plants
  • thermodynamics
  • energy efficiency in buildings

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Published Papers (1 paper)

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Research

22 pages, 5524 KiB  
Article
Evaluation of Film Cooling Adiabatic Effectiveness and Net Heat Flux Reduction on a Flat Plate Using Scale-Adaptive Simulation and Stress-Blended Eddy Simulation Approaches
by Rosario Nastasi, Nicola Rosafio, Simone Salvadori and Daniela Anna Misul
Energies 2024, 17(11), 2782; https://doi.org/10.3390/en17112782 - 6 Jun 2024
Viewed by 912
Abstract
The use of film cooling is crucial to avoid high metal temperatures in gas turbine applications, thus ensuring a high lifetime for vanes and blades. The complex turbulent mixing process between the coolant and the main flow requires an accurate numerical prediction to [...] Read more.
The use of film cooling is crucial to avoid high metal temperatures in gas turbine applications, thus ensuring a high lifetime for vanes and blades. The complex turbulent mixing process between the coolant and the main flow requires an accurate numerical prediction to correctly estimate the impact of ejection conditions on the cooling performance. Recent developments in numerical models aim at using hybrid approaches that combine high precision with low computational cost. This paper is focused on the numerical simulation of a cylindrical film cooling hole that operates at a unitary blowing ratio, with a hot gas Mach number of Mam = 0.6, while the coolant is characterized by plenum conditions (Mac = 0). The adopted numerical approach is the Stress-Blended Eddy Simulation model (SBES), which is a blend between a Reynolds-Averaged Navier–Stokes approach and a modeled Large Eddy Simulation based on the local flow and mesh characteristics. The purpose of this paper is to investigate the ability of the hybrid model to capture the complex mixing between the coolant and the main flow. The cooling performance of the hole is quantified through the film cooling effectiveness, the Net Heat Flux Reduction (NHFR), and the discharge coefficient CD calculation. Numerical results are compared both with the experimental data obtained by the University of Karlsruhe during the EU-funded TATEF2 project and with a Scale Adaptive Simulation (SAS) run on the same computational grid. The use of λ2 profiles extracted from the flow field allows for isolating the main vortical structures such as horseshoe vortices, counter-rotating vortex pairs (e.g., kidney vortices), Kelvin–Helmholtz instabilities, and hairpin vortices. Eventually, the contribution of the unsteady phenomena occurring at the hole exit section is quantified through Proper Orthogonal Decomposition (POD) and Spectral Proper Orthogonal Decomposition methods (SPOD). Full article
(This article belongs to the Special Issue Selected Papers from XV International Conference on Computational Heat, Mass and Momentum Transfer (ICCHMT2024))
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