Paweł Ziółkowski - Publikacje - MOST Wiedzy

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Rok 2024
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Rok 2022
  • Compact High Efficiency and Zero-Emission Gas-Fired Power Plant with Oxy-Combustion and Carbon Capture
    Publikacja

    - ENERGIES - Rok 2022

    Reduction of greenhouse gases emissions is a key challenge for the power generation industry, requiring the implementation of new designs and methods of electricity generation. This article presents a design solution for a novel thermodynamic cycle with two new devices—namely, a wet combustion chamber and a spray-ejector condenser. In the proposed cycle, high temperature occurs in the combustion chamber because of fuel combustion...

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  • Duhem and Natanson: Two Mathematical Approaches to Thermodynamics
    Publikacja

    - ENERGIES - Rok 2022

    In this article, the previously unrecognized contributions of Pierre Duhem and Ladislavus Natanson in thermodynamics are shown. The mathematical remodelling of a few of their principal ideas is taken into consideration, despite being neglected in the literature. To emphasize these ideas in an appropriate epistemological order, it would be crucial to first revalue and reconstruct some underrepresented parts of the proceedings process...

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  • Entrained Flow Plasma Gasification of Sewage Sludge–Proof-of-Concept and Fate of Inorganics
    Publikacja
    • D. Mikielewicz
    • P. Ziółkowski
    • V. Vishwajeet
    • H. Pawlak-kruczek
    • M. Baranowski
    • M. Czerep
    • A. Chorążyczkowski
    • K. Krochmalny
    • K. Ostrycharczyk
    • P. Madejski... i 5 innych

    - ENERGIES - Rok 2022

    Sewage sludge is a residue of wastewater processing that is biologically active and consists of water, organic matter, including dead and living pathogens, polycyclic aromatic hydrocarbons, and heavy metals, as well as organic and inorganic pollutants. Landfilling is on the decline, giving way to more environmentally friendly utilisation routes. This paper presents the results of a two-stage gasification–vitrification system, using...

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  • From fluid mechanics backgrounds to modern field theory
    Publikacja

    - ACTA MECHANICA - Rok 2022

    Our presentation keeps a historical line of reasoning, since we start from old concepts of fluid mechanics and finish on concepts of modern field theory. We want to show that some facts from the nature phenomena, which have firstly been discovered on the ground of fluid mechanics, were next incorporated into physics and later become the important pattern for whole mathematical physics. Especially, well-known continuum models, which...

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  • Mathematical modelling of gasification process of sewage sludge in reactor of negative CO2 emission power plant
    Publikacja

    - ENERGY - Rok 2022

    Sewage sludge is a residue of wastewater processing that is biologically active and consists of water,organic matter, including dead and alive pathogens, as well as organic and inorganic contaminants suchas polycyclic aromatic hydrocarbons (PAHs) and heavy metals. Due to the nature of sewage sludge and itspossible influence on human health and wellbeing, it is a subject of various regulations. Currently,sewage sludge is considered...

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  • Numerical analysis of CO2-water separation in a horizontal double T-junction

    Carbon dioxide is considered one of the main factors leading to global warming. Considering the significant impacts of CO2 on climate change, various technologies have been developed in recent decades to control carbon emission, such as for example CO2 capture and storage. The developed cycle of a negative CO2 emission power plant includes some devices, out of which, separator plays an indispensable role. To this end, T-junction...

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  • Numerical analysis of vacuum drying of a porous body in the integrated domain

    n the present study, the vacuum drying process of an apple slice is numerically modeled based on a control volume method. Transient two-dimensional Navier– Stokes, energy, moisture, and Luikov equations are solved by numerical coding (Fortran) to simulate the simultaneous heat and mass transfer in the ambient and apple slice, respectively. The privilege of using Luikov's model is that the capillary forces are considered, and a...

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  • On the Use of Selected 4th Generation Nuclear Reactors in Marine Power Plants

    This article provides a review of the possibility of using different types of reactors to power ships. The analyses were carried out for three different large vessels: a container ship, a liquid gas carrier and a bulk carrier. A novelty of this work is the analysis of the proposal to adapt marine power plants to ecological requirements in shipping by replacing the conventional propulsion system based on internal combustion engines...

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  • Slowly-closing valve behaviour during steam machine accelerated start-up
    Publikacja

    - Case Studies in Thermal Engineering - Rok 2022

    The paper discusses the state of stress in a slowly-closing valve during accelerated start-up of a steam turbine. The valve is one of the first components affected by high temperature gradients and is a key element on which the power, efficiency and safety of the steam system depend. The authors calibrated the valve model based on experimental data and then performed extended Thermal-FSI analyses relative to experiment. The issue...

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wyświetlono 5686 razy