Search results for: Ewa Klugmann-Radziemska

Items from 1 to 20 out of 21 results

article

The issue of shading photovoltaic installation caused by dust accumulation on the glass surface

Małgorzata Rudnicka, Ewa Klugmann-Radziemska

Ecological Chemistry and Engineering. S > 2021 > Vol. 28, nr 2 > 173--182

The issue of accumulation of dust and other pollutants on the surface of photovoltaic modules was thoroughly analysed over the years. One of the first surveys in this field of knowledge linked pollutant accumulation on the module surface with transmittance loss of its glass covering, which leads to lessened amount of solar radiation reaching solar cells. First stage of this accumulation process is...

article

Highly Oriented Zirconium Nitride and Oxynitride Coatings Deposited via High‐Power Impulse Magnetron Sputtering: Crystal‐Facet‐Driven Corrosion Behavior in Domestic Wastewater

Anna Dettlaff, Mateusz Brodowski, Marcin Kowalski, Vitezslav Stranak, more

Advanced Engineering Materials > 23 > 7 > n/a - n/a

Herein, highly crystalline Zr_xN_y and Zr_xN_yO_z coatings are achieved by the deposition via high‐power impulse magnetron sputtering. Various N₂ and N₂/O₂ gas mixtures with argon are investigated. The chemical composition and, as a result, mechanical properties of the deposited layer can be tailored along with morphological and crystallographic structural changes. The corrosion resistance behavior is...

article

Energy yield generated by a small building integrated photovoltaic installation

Ewa Klugmann-Radziemska, Małgorzata Rudnicka

Ecological Chemistry and Engineering. S > 2020 > Vol. 27, nr 3 > 335--346

In the recent years photovoltaic (PV) industry has experienced a major growth, caused by the ever present annual decrease in module production prices and the expanding awareness of the general public in terms of renewable energy. There are numerous ways to implement PV modules as an additional energy source for a building, be it mounted on the rooftop, or building integrated (BIPV). An analysis of...

article

Recykling metali z zużytych modułów fotowoltaicznych

Anna Kuczyńska-Łażewska, Ewa Klugmann-Radziemska

Przemysł Chemiczny > 2019 > T. 98, nr 6 > 932--935

Zaprezentowano stan wiedzy na temat dotychczas opracowanych metod odzysku metali z roztworów. Przeanalizowano je pod kątem wykorzystania w procesach recyklingu modułów wykonanych z krystalicznego krzemu oraz w technologii cienkowarstwowej.

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Elektrolity stosowane w kondensatorach elektrochemicznych

Dominik Knozowski, Monika Wilamowska-Zawłocka, Ewa Klugmann-Radziemska

Przemysł Chemiczny > 2019 > T. 98, nr 3 > 429--433

Przedstawiono trzy główne grupy elektrolitów ciekłych stosowanych w kondensatorach elektrochemicznych: elektrolity wodne, organiczne oraz ciecze jonowe. Przedstawiono ich właściwości, skład, problemy związane z użytkowaniem, a także najnowsze osiągnięcia w rozwoju poszczególnych grup elektrolitów ciekłych. Omówiono także dodatki do elektrolitów, ich rodzaje oraz wpływ na właściwości elektrolitu i...

article

Recovery of silver metallization from damaged silicon cells

Anna Kuczyńska-Łażewska, Ewa Klugmann-Radziemska, Zuzanna Sobczak, Tomasz Klimczuk

Solar Energy Materials and Solar Cells > 2018 > 176 > C > 190-195

Metallization is one of the key process steps to fabricate solar cells with high performance in a cost-effective way. Majority of photovoltaic solar cell manufacturing uses thick film screen print metallization with Ag containing paste to produce solar cells.The average lifetime of PV modules can be expected to be more than 25 years. The disposal of PV systems will become a problem in view of the...

article

Synthesis of reduced graphene oxide nanosheets using nanofibers from methane and biogas thermal decomposition with various catalysts

Katarzyna Januszewicz, Ewa Klugmann-Radziemska

Chemical Papers > 2018 > 72 > 8 > 1991-1999

Reduced graphene oxide and graphene oxide (rGO, GO) were synthesised from carbon nanofibers, which were formed in catalytic thermal decomposition of methane (CDM) and biogas with different catalysts used in the process. The aim of the work was valorization of CDM carbon nanofiber products. The samples were characterized using Raman spectra, a scanning electron microscope and a transmission electron...

article

Photovoltaic module temperature stabilization with the use of phase change materials

Ewa Klugmann-Radziemska, Patrycja Wcisło-Kucharek

Solar Energy > 2017 > 150 > C > 538-545

The worldwide growth of photovoltaics (PVs) has formed an exponential curve for more than four decades. During this period of time, PVs have evolved from a pure niche market of small-scale applications towards becoming a mainstream electricity source. The influence of temperature on the electrical parameters of crystalline silicon solar cells and solar modules is well described in the literature....

article

Innovative system for energy collection and management integrated within a photovoltaic module

Wojciech Grzesiak, Piotr Mackow, Tomasz Maj, Artur Polak, more

Solar Energy > 2016 > 132 > C > 442-452

The dynamic development of battery technology and design based on the flow of lithium ions, mainly driven by the needs of the automotive industry, leads to the conclusion that these batteries are becoming a more viable alternative to traditional lead-acid batteries. Their use is driven by the ability to quickly charge and discharge, a higher durability, maintenance-free operation, much smaller dimensions...

article

Degradation of electrical performance of a crystalline photovoltaic module due to dust deposition in northern Poland

Ewa Klugmann-Radziemska

Renewable Energy > 2015 > 78 > C > 418-426

The reduction in power output caused by the accumulation of dust on the photovoltaic module surface is an important problem and should receive much more attention in the literature. This study was an evaluation of the performance degradation of crystalline photovoltaic modules due to natural and simulated dust deposition. Dust is created from powdered grains of sand and particles of different bodies...

article

The use of lightweight aggregate saturated with PCM as a temperature stabilizing material for road surfaces

Michał Ryms, Witold M. Lewandowski, Ewa Klugmann-Radziemska, Hubert Denda, more

Applied Thermal Engineering > 2015 > 81 > Complete > 313-324

This paper presents the possibility of adding lightweight building aggregates to increase the stability – mechanical as well as thermal – of constructions and road objects. This stability can be achieved through saturating the porous granules of aggregate with a phase-change material (PCM) that allows the accumulation of solar heat. Intense solar radiation, especially during the summer, can cause...

article

Possibility of thermal imaging use in studies of natural convection heat transfer on the example of an isothermal vertical plate

Witold M. Lewandowski, Michał Ryms, Hubert Denda, Ewa Klugmann-Radziemska

International Journal of Heat and Mass Transfer > 2014 > 78 > C > 1232-1242

A new method of infrared (IR) camera use in convective heat transfer studies has been presented. Until now, IR cameras were utilized for temperature field visualizations of flat heated surfaces of solid objects only. Because liquids and gasses do not emit radiation in the infrared range of wave lengths, detection of temperature field in the air was conducted with the use of plastic mesh, which, after...

article

Adapting the pinch point analysis to improve the ORC design process

Michał Ryms, Tadeusz Pyś, Ewa Klugmann‐Radziemska

International Journal of Energy Research > 38 > 1 > 29 - 40

Pinch point analysis can be adapted so as to assist in the early stages of designing the Organic Rankine Cycle (ORC) systems. Typically used in determining the working parameters of heat exchangers, it can be employed to improve the heat fitting between the source of heat and the working fluids of the ORC system. To attain the parametric match, an algorithm was built enabling quick estimation of the...

article

Rapeseed pellet - a byproduct of biodiesel production - as an excellent renewable energy source / Wytłoki rzepakowe - produkt uboczny w produkcji biodiesla - jako doskonałe źródło energii odnawialnej

Ewa Klugmann-Radziemska, Krzysztof Ciunel

Chemistry-Didactics-Ecology-Metrology > 2013 > 18 > 1-2 > 109-119

Vegetable oils are renewable feedstock currently being used for production of biofuels from sustainable biomass resources. The existing technology for producing diesel fuel from plant oils, such as rapeseed, soybean, canola and palm oil are largely centered on transesterification of oils with methanol to produce fatty acid methyl esters (FAME) or biodiesel. Rapeseed pellet - crushed seed residue from...

article

Rapeseed pellet - a byproduct of biodiesel production - as an excellent renewable energy source / Wytłoki rzepakowe - produkt uboczny w produkcji biodiesla - jako doskonałe źródło energii odnawialnej

Ewa Klugmann-Radziemska, Krzysztof Ciunel

Chemistry-Didactics-Ecology-Metrology > 2013 > 18 > 1-2 > 109-119

article

Pyrolysis Process of Whole Waste Tires as A Biomass Energy Recycling / Piroliza Opon Samochodowych Jako Energetyczny Recykling Biomasy

Michał Ryms, Katarzyna Januszewicz, Witold M. Lewandowski, Ewa Klugmann-Radziemska

Ecological Chemistry and Engineering S > 2013 > 20 > 1 > 93-107

The article is devoted to the description of material recycling of whole waste tires, including a new method of pyrolysis process, resulting in the final products: technically oil fractions (rubber plasticizer of rubber compounds) or diesel fuels (light, medium and heavy), activated carbon, gas fuel and steel scrap. Operational and performance tests of the first version of the pilot plant, consisting...

article

Current Trends in Recycling of Photovoltaic Solar Cells and Modules Waste / Recykling Zużytych Ogniw I Modułów Fotowoltaicznych - Stan Obecny

Ewa Klugmann-Radziemska

Chemistry-Didactics-Ecology-Metrology > 2012 > 17 > 1-2 > 89-95

In comparison to other energy producing techniques, photovoltaics (PV) is one of the most promising options: no emission of any matter into the environment during operation; extremely long operation period (estimated average: 25 years), minimum maintenance, robust technique, aesthetic aspects. The use of photovoltaics is rapidly increasing, and the respective market is developing accordingly. Although...

article

Current Trends in Recycling of Photovoltaic Solar Cells and Modules Waste / Recykling Zużytych Ogniw I Modułów Fotowoltaicznych - Stan Obecny

Ewa Klugmann-Radziemska

Chemistry-Didactics-Ecology-Metrology > 2012 > 17 > 1-2 > 89-95

article

Gaseous Products from Scrap Tires Pyrolisis

Katarzyna Januszewicz, Marek Klein, Ewa Klugmann-Radziemska

Ecological Chemistry and Engineering S > 2012 > 19 > 3 > 451-460

In European Union 75% of used tires should be recycled. The most common method of used tires disposal, is burning in cement kilns, which does not solve the problem. Pyrolysis process can be an alternative way of utilization of tires. The aim of the researches was to check the influence of pyrolysis products (gas and oil fractions) on environment. Samples from pyrolysis process, like light oil fractions...

article

Experimental validation of crystalline silicon solar cells recycling by thermal and chemical methods

Ewa Klugmann-Radziemska, Piotr Ostrowski, Kazimierz Drabczyk, Piotr Panek, more

Solar Energy Materials and Solar Cells > 2010 > 94 > 12 > 2275-2282

In recent years, photovoltaic power generation systems have been gaining unprecedented attention as an environmentally beneficial method for solving the energy problem. From the economic point of view pure silicon, which can be recovered from spent cells, is the most important material owing to its cost and limited supply.The article presents a chemical method for recycling spent or damaged modules...

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INFONA - science communication portal

Search results for: Ewa Klugmann-Radziemska

The issue of shading photovoltaic installation caused by dust accumulation on the glass surface

Highly Oriented Zirconium Nitride and Oxynitride Coatings Deposited via High‐Power Impulse Magnetron Sputtering: Crystal‐Facet‐Driven Corrosion Behavior in Domestic Wastewater

Energy yield generated by a small building integrated photovoltaic installation

Recykling metali z zużytych modułów fotowoltaicznych

Elektrolity stosowane w kondensatorach elektrochemicznych

Recovery of silver metallization from damaged silicon cells

Synthesis of reduced graphene oxide nanosheets using nanofibers from methane and biogas thermal decomposition with various catalysts

Photovoltaic module temperature stabilization with the use of phase change materials

Innovative system for energy collection and management integrated within a photovoltaic module

Degradation of electrical performance of a crystalline photovoltaic module due to dust deposition in northern Poland

The use of lightweight aggregate saturated with PCM as a temperature stabilizing material for road surfaces

Possibility of thermal imaging use in studies of natural convection heat transfer on the example of an isothermal vertical plate

Adapting the pinch point analysis to improve the ORC design process

Rapeseed pellet - a byproduct of biodiesel production - as an excellent renewable energy source / Wytłoki rzepakowe - produkt uboczny w produkcji biodiesla - jako doskonałe źródło energii odnawialnej

Rapeseed pellet - a byproduct of biodiesel production - as an excellent renewable energy source / Wytłoki rzepakowe - produkt uboczny w produkcji biodiesla - jako doskonałe źródło energii odnawialnej

Pyrolysis Process of Whole Waste Tires as A Biomass Energy Recycling / Piroliza Opon Samochodowych Jako Energetyczny Recykling Biomasy

Current Trends in Recycling of Photovoltaic Solar Cells and Modules Waste / Recykling Zużytych Ogniw I Modułów Fotowoltaicznych - Stan Obecny

Current Trends in Recycling of Photovoltaic Solar Cells and Modules Waste / Recykling Zużytych Ogniw I Modułów Fotowoltaicznych - Stan Obecny

Gaseous Products from Scrap Tires Pyrolisis

Experimental validation of crystalline silicon solar cells recycling by thermal and chemical methods

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