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Energies
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Modelling Techniques of Heat and Mass Transfer in Energy Conversion...
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Modelling Techniques of Heat and Mass Transfer in Energy Conversion Processes

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

Deadline for manuscript submissions: closed (15 March 2023) | Viewed by 6909

Special Issue Editors

Dr. Florian Huchet

E-Mail Website
Guest Editor
MAST-GPEM, Univ. Gustave Eiffel, IFSTTAR, Fr-44344 Bouguenais, France
Interests: multi-scale modelling; fluids; mixing; heat and mass transfer
Dr. Chafea Bouchenna

E-Mail Website
Guest Editor
Department of Mechanical and Process Engineering, Gustave Eiffel University, Fr-44344 Bouguenais, France
Interests: heat and mass transfer; fluid mechanics; porous media; numerical simulation; energy storage

Special Issue Information

Dear Colleagues,

This Special Issue aims to cover a large variety of modeling techniques in the scope of the heat and mass transfer operations encountered in energy conversion processes (solar, marine, geothermal, thermochemical conversion, and thermal energy storage). The next generations of energy collector and distributor systems are complex, requiring new experimental and numerical findings as close as possible to real working conditions. Consequently, this Special Issue invites papers related to the following subjects:

  • Computational fluid dynamics tools;
  • Averaging methods;
  • Model reduction method;
  • Non-invasive methods;
  • Remote sensing;
  • Analytical and inverse methods;
  • Optimization methods;

This list is not exhaustive. Papers focusing on modeling approaches or applications are welcomed.

Dr. Florian Huchet
Dr. Chafea Bouchenna
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

  • heating
  • cooling
  • (micro-)exchanger
  • waste to energy system
  • heat recovery processes
  • steaming
  • phase change materials
  • packed bed
  • multiphase systems
  • mixing
  • electrodiffusion method
  • infrared imaging

Published Papers (4 papers)

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Research

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24 pages, 6780 KiB  
Article
Thermodynamic Performance of a Cogeneration Plant Driven by Waste Heat from Cement Kilns Exhaust Gases
by Baby-Jean Robert Mungyeko Bisulandu, Adrian Ilinca, Marcel Tsimba Mboko and Lucien Mbozi Mbozi
Energies 2023, 16(5), 2460; https://doi.org/10.3390/en16052460 - 4 Mar 2023
Cited by 1 | Viewed by 1503
Abstract
The dwindling and scarcity of fossil energy sources is the basis of the energy transition, where renewable resources are increasingly valued. The purpose of the cogeneration system studied in this article is to recover the residual heat from the gases coming out of [...] Read more.
The dwindling and scarcity of fossil energy sources is the basis of the energy transition, where renewable resources are increasingly valued. The purpose of the cogeneration system studied in this article is to recover the residual heat from the gases coming out of the chimneys of the cement kilns, to produce at the same time the electricity and the heat required for offices and residential houses of cement workers. Cement kilns are reputed to be energy-intensive, generating excessive heat losses. These heat losses are found mainly in the conduction–convective and radiative modes, representing about 26% of the overall heat input to the system. Nevertheless, the gases at the chimney outlet can still have temperatures between 250 and 350 °C, which presents a non-negligible potential for a cogeneration system. This study compares the thermal performance of different cogeneration plant configurations (KCA, KCB, and KCC systems) using the Kalina cycle to determine the best one. Several assumptions were made to reduce the complexity of the model. MATLAB and Excel software were used to solve the system of equations. After extensive analysis of the results, the KCA system showed the best performance, compared to the KCB and KCC systems, with a thermal efficiency of 22.15%, an exergy efficiency of 45.12%, and a net electrical capacity of 2565.03 kWe. Model sensitivity to concentration, temperature, and pressure variations also gave the KCA system the best-performing system. Evaluation of the excess heat flux removed from the process yields values of 7368.20 kW, 7421.86 kW, and 8094.15 kW for the KCA, KCB, and KCC systems. The results of this article serve as a decision support tool for installing the cogeneration system via the Kalina cycle in cement installations. Full article
(This article belongs to the Special Issue Modelling Techniques of Heat and Mass Transfer in Energy Conversion Processes)
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18 pages, 10298 KiB  
Article
Numerical Turbulent Flow Analysis through a Rotational Heat Recovery System
by Maxime Piton, Florian Huchet, Bogdan Cazacliu and Olivier Le Corre
Energies 2022, 15(18), 6792; https://doi.org/10.3390/en15186792 - 16 Sep 2022
Cited by 2 | Viewed by 1246
Abstract
Herein, hydrodynamic analysis from a large-eddy simulation in Couette–Taylor–Poiseuille (CTP) geometry is numerically investigated. The present geometry is inspired by a previous experimental work in which heat transport phenomena were investigated in a heat recovery system devoted to a rotary kiln facility. The [...] Read more.
Herein, hydrodynamic analysis from a large-eddy simulation in Couette–Taylor–Poiseuille (CTP) geometry is numerically investigated. The present geometry is inspired by a previous experimental work in which heat transport phenomena were investigated in a heat recovery system devoted to a rotary kiln facility. The streamwise and spanwise components of the velocity and the Reynolds stress tensor are firstly validated using an experimental benchmark. The effect of the axial flow rates is studied at a fixed rotational velocity. It is shown that the streamwise velocity component damps the vortex flow organization known in Couette–Taylor (CT) flow. The bulk region and its wall footprint are therefore characterized by various methods (spectral and statistical analysis, Q-criterion). It is shown that the turbulent kinetic energy of the streamwise component in the near-wall region is augmented leading to a multi-scale nature of turbulence. Full article
(This article belongs to the Special Issue Modelling Techniques of Heat and Mass Transfer in Energy Conversion Processes)
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18 pages, 6055 KiB  
Article
Analysis of Convection Phenomenon in Enclosure Utilizing Nanofluids with Baffle Effects
by Khaled Al-Farhany, Barik Al-Muhja, Karuppusamy Loganathan, Umadevi Periyasamy, Farhan Ali and Ioannis E. Sarris
Energies 2022, 15(18), 6615; https://doi.org/10.3390/en15186615 - 9 Sep 2022
Cited by 22 | Viewed by 1960
Abstract
The behavior of convective heat transfer in an enclosure filled with Cu–water nanofluid with a baffle has been numerically studied using the finite element method. The enclosure’s top and bottom walls were adiabatic, while the other two were maintained at various temperatures. The [...] Read more.
The behavior of convective heat transfer in an enclosure filled with Cu–water nanofluid with a baffle has been numerically studied using the finite element method. The enclosure’s top and bottom walls were adiabatic, while the other two were maintained at various temperatures. The left hot wall had an effective thickness and a baffle was added to the bottom wall. The influence of different parameters like the nanoparticle’s concentration (ϕ), Rayleigh number (Ra), the thermal conductivity ratio of the thick wall (Kr), baffle angle (Ø), and the hot wall thickness (D) on the isotherm and fluid flow patterns were examined. The result showed that the average Nusselt number was enhanced, owing to the strength of the buoyancy force becoming more effective. Furthermore, as the baffle inclination angle increased, the maximum stream function at the core corresponded to the angle when it reached Ø=60°, then it gradually decreased to the minimum value as the baffle angle reached close to Ø=120°. Full article
(This article belongs to the Special Issue Modelling Techniques of Heat and Mass Transfer in Energy Conversion Processes)
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Review

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16 pages, 4738 KiB  
Review
Heat Transport in Rotating Annular Duct: A Short Review
by Maxime Piton, Florian Huchet, Bogdan Cazacliu and Olivier Le Corre
Energies 2022, 15(22), 8633; https://doi.org/10.3390/en15228633 - 17 Nov 2022
Cited by 3 | Viewed by 1647
Abstract
Heat transport in rotating processes finds a wide range of application in which academic issues in the fluid mechanics and heat transfer areas are here reported. This paper discusses successive works from the seminal paper of Taylor (1923) to recent numerical results established [...] Read more.
Heat transport in rotating processes finds a wide range of application in which academic issues in the fluid mechanics and heat transfer areas are here reported. This paper discusses successive works from the seminal paper of Taylor (1923) to recent numerical results established from a broad range of methods such as DNS, LES, RANS or LB methods. The flow regimes identification is thus reported in Taylor–Couette geometry. The role of the axial flow rates in the apparition, stabilization and destruction of the large-scale of the turbulent structures is depicted in the case of Taylor–Couette–Poiseuille geometry. In a non-isothermal condition, a discussion is held on the various exponent values found in the scaling relationships relying on the Nusselt number as a function of the Rayleigh or Reynolds numbers according to the regimes of thermal convection. Full article
(This article belongs to the Special Issue Modelling Techniques of Heat and Mass Transfer in Energy Conversion Processes)
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