Wojciech Adamczyk

Silesian University of Technology

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Ryszard A. Białecki

Silesian University of Technology

Adam Klimanek

Silesian University of Technology

Ziemowit Ostrowski

Silesian University of Technology

Bartłomiej Melka

Silesian University of Technology

Sławomir Sładek

Silesian University of Technology

Andrzej Szlęk

Silesian University of Technology

Marek Rojczyk

Silesian University of Technology

Sebastian Pawlak

Silesian University of Technology

Kari Myöhänen

Lappeenranta-Lahti University of Technology

Agata Widuch

Silesian University of Technology

Cooperative Institutions

Silesian University of Technology

Instytut Chemii i Techniki Jądrowej

AGH University of Krakow

Norwegian University of Science and Technology

University of Silesia in Katowice

Jagiellonian University

Łukasiewicz Research Network - Institute of Welding

University of Utah

University of Warsaw

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Centrum Monitoringu Wolności Prasy jako przykład instytucji pozarządowej w polskim systemie medialnym

Wojciech Adamczyk

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The supplemental data for the paper: "Methodology of generation of CFD meshes and 4D shape reconstruction of coronary arteries from patient-specific dynamic CT"

Zenodo (CERN European Organization for Nuclear Research) (2023)

Krzysztof Psiuk-Maksymowicz Damian Borys Bartłomiej Melka Maria Gracka Wojciech Adamczyk

The supplemental data for the paper: "Methodology of generation of CFD meshes and 4D shape reconstruction of coronary arteries from patient-specific dynamic CT" A video file (minimum play resolution is HD to see the mesh) showing the movement of the LCA throughout the heart cycle and .STL files for 10--100% (increment of 10\%) of the heart cycle phase.

Coronary arteries

10.5281/zenodo.10203116

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CFD modeling and thermodynamic analysis of a concept of a MILD-OXY combustion large scale pulverized coal boiler

Energy (2017)

Wojciech Adamczyk Ryszard A. Białecki Mario Ditaranto Paweł Gładysz Nils Erland L. Haugen

Pulverized coal-fired boiler

Dilution

10.1016/j.energy.2017.03.130

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Citations (53)

Influence of external flue gas recirculation on gas combustion in a coke oven heating system

Fuel Processing Technology (2016)

Stanislaw Gamrat Jakub Poraj Jakub Bodys Jacek Smołka Wojciech Adamczyk

Flue

Air preheater

Coke oven

10.1016/j.fuproc.2016.07.010

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Citations (44)

Experimental analysis of freezing process of stationary food samples inside a hydrofluidisation freezing chamber

International Journal of Refrigeration (2021)

Michał Palacz Edyta Piechnik Michal Halski Michał Stebel Wojciech Adamczyk

Congelation

10.1016/j.ijrefrig.2021.06.034

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Numerical model of heat transfer in skin lesions

Scientific Letters of Rzeszow University of Technology - Mechanics (2015)

Ziemowit Ostrowski Piotr Buliński Wojciech Adamczyk Pawel Kozołub Andrzej J. Nowak

Preliminary results of numerical modelling of skin undergoing thermal stimulation (mild cooling) in a human forearm is presented.Small brass compress was used for cooling purposes.The skin recovery process was then analysed.Temperature history for N = 14 samples was recorded using IR camera.The samples come from 8 male adults (age 25-38 years).A numerical model of heat transfer in tissues and CFD model of surrounding air (natural convection) was proposed.Simulation results were validated against experimental data.

10.7862/rm.2015.6

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Citations (12)

Selected aspects of blood flow simulations in arteries

Archives of Thermodynamics (2024)

Ryszard A. Białecki Wojciech Adamczyk Ziemowit Ostrowski

This article discusses selected aspects of modelling blood flow in the arteries. The method of reproducing the variable-in-time geometry of coronary arteries is given based on a sequence of medical images of different resolutions. Within the defined shapes of the arteries, a technique of generation of numerical meshes of the same topology is described. The boundary conditions and non-Newtonian rheological models used in blood flow are discussed, as well as the description of blood as a multiphase medium. The work also includes a discussion of tests on the phantom of the carotid artery for the accuracy of measurements made using ultrasonography.

Industrial chemistry

10.24425/ather.2024.150447

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Development and Demonstration System for Managing the Availability and Reliability of Industrial Infrastructure

Wojciech Adamczyk Kari Myöhänen Marcin Klajny Ari Kettunen Adam Klimanek

This paper presents advanced predictive and prescriptive artificial intelligence (AI) algorithms to control industrial installations. The functionality of these algorithms was demonstrated through their application for a circulating fluidized bed (CFB~1300) power unit with a capacity of 460 MWe. An AI-driven prescriptive method was developed to control specific power plant devices and improve boiler operation. The capabilities of this system were demonstrated for the automatic identification of malfunctions within two crucial parts of the power unit: the electrical transformer and membrane wall of the combustion chamber. Additionally, the system uses a customized optimization algorithm to regulate the oxygen distribution in the combustion chamber. Incorporating the developed control system methodology adjusted the fuel distribution, which in turn impacted the overall performance of the boiler. This method was tested under various boiler operating conditions. The proposed methodology integrates an informatics framework that combines adaptive predictive and prescriptive models with control systems. This integration includes optimization algorithms, digital twins (numerical representations of key components), databases, and algorithms for managing component states.

10.2139/ssrn.4843592

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Nondestructive technique of measuring heat conductivity of thermal barrier coatings

International Journal of Heat and Mass Transfer (2017)

Wojciech Adamczyk Tadeusz Kruczek G. Moskal Ryszard A. Białecki

Laser flash analysis

Thermal conductivity measurement

Laser Scanning

Thermography

Sample (material)

10.1016/j.ijheatmasstransfer.2017.03.126

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Citations (24)

Ammonia CI engine aftertreatment systems design and flow simulation

Silniki Spalinowe/Combustion Engines (2021)

Kacper Kuta Ebrahim Nadimi Grzegorz Przybyła Z. Żmudka Wojciech Adamczyk

Investigation of exhaust emissions and ammonia flow behavior in the exhaust system incorporating with Selective Catalytic Reduction (SCR) unit is discussed. An aftertreatment system is designed to work without additional urea injection to improve feasible temperature of operating and reduce size. This study is focused on obtaining optimal parameters for catalysis using gaseus ammonia as reducing agent. Its effectiveness is considered as a function of basic parameters of exhaust gases mixture and SCR material characteristics. A 3D geometry of SCR with porous volume has been simulated using Ansys Fluent. Moreover, a 1D model of ammonia dual-fuel CI engine has been obtained. Results were focused on obtaining local temperature, velocity, and exhaust gases composition to predict optimal probes placement, pipes insulation parameters, and characteristic dimensions.

Selective catalytic reduction

10.19206/ce-143158

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Citations (8)