Title:

Analysis of the Energy Process of a Radiant Tube for Heating a Flat Material Using a CFD Model

Authors:

Šimon Staško, Róbert Dzurňák, Ján Kizek, Peter Demeter, Augustín Varga, Gustáv Jablonský

Abstract:

In Reducing energy consumption and increasing energy efficiency have long been very important issues affecting all sectors of energy consumption, including the industrial sector. Industrial furnaces have a significant energy consumption that needs to be optimised, but before that an analysis of the energy situation is necessary. This article discusses the energy state analysis of a burner system, which was performed using CFD model. Specifically, the analysis of the combustion process in a radiant tube, for which a 3D model of this tube was created. The analysis also addressed the subsequent heat transfer from the surface of the radiant tube in the power range of 50-109 kW. Input parameters and model conditions were defined based on the parameters of the real burner system. The CFD modelling performed showed that as the fuel consumption increased, the radiant tube power increased and at the same time the flue gas temperature also increased. The heat flux from the tube surface was slightly different on both sides of the tube, which was due to the flame tilt inside the radiant tube.

Citation:

Staško Šimon, Dzurňák Róbert, Kizek Ján, Demeter Peter, Varga Augustín, Jablonský Gustáv: Analysis of the Energy Process of a Radiant Tube for Heating of a Flat Material Using a CFD Model, Advance in Thermal Processes and Energy Transformation, Volume 7, No.2 (2024), pp. 19-23, ISSN 2585-9102, https://doi.org/10.54570/atpet2024/07/02/0019

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Title:

Biomass Research of Energy Crops and Their Nature Restoration Potential

Authors:

Halyna Hrytsuliak, Vasyl Lopushniak, Ján Kizek, Teodoziia Yatsyshyn, Vasyl-Danylo Liakh, Mariia Kuryliuk, Peter Oravec

Abstract:

This scientific paper is dedicated to the study of the potential for using bioenergy crops, using the example of giant miscanthus on oil-polluted territories. Throughout the research, various fertilization schemes were applied to analyze their impact on the growth and development of miscanthus. The yield of energy and solid biofuel from the obtained biomass of giant miscanthus was determined. In addition, it was found that miscanthus has significant potential in the phytoremediation of contaminated lands and can contribute to the restoration of soil cover. The scientific work presents results from a three-year observation, demonstrating the widespread use of bioenergy crops, particularly miscanthus, for ensuring energy security and ecological balance.

Citation:

Hrytsuliak Halyna, Lopushniak Vasyl, Kizek Ján, Yatsyshyn Teodoziia, Liakh Vasyl-Danylo, Kuryliuk Mariia, Oravec Peter: Biomass Research of Energy Crops and Their Nature Restoration Potential, Advance in Thermal Processes and Energy Transformation, Volume 7, No.2 (2024), pp. 24-30, ISSN 2585-9102, https://doi.org/10.54570/atpet2024/07/02/0024

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Title:

Modeling of Thermal Processes in DED Using SolidWorks Simulation

Authors:

Olena Karpovich, Denys Zhumar, Yevhen Karakash, Ivan Karpovich

Abstract:

The study analyzes software products for numerical modeling of additive processes performed using SLM and DED technologies. Determining temperature fields in DMD processes is an important and complex task. Based on previously determined experimental data on the volume of molten material added during cladding, the thermal processes during laser cladding of powder materials were modeled in the SolidWorks system. This allowed determining the distribution of temperature fields on the substrate and in the cladded material over time.

Citation:

Olena Karpovich, Denys Zhumar, Yevhen Karakash, Ivan Karpovich: Modeling of Thermal Processes in DED Using SolidWorks Simulation, Advance in Thermal Processes and Energy Transformation, Volume 7, No.2 (2024), pp. 31-34, ISSN 2585-9102, https://doi.org/10.54570/atpet2024/07/02/0031

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