Search results for: WATER MODEL COMPARISON

• Comparison of the effectiveness of automatic EEG signal class separation algorithms

  Publication

  • A. Kurowski
  • K. E. Mrozik
  • B. Kostek
  • A. Czyżewski

  - JOURNAL OF INTELLIGENT & FUZZY SYSTEMS - Year 2019

  In this paper, an algorithm for automatic brain activity class identification of EEG (electroencephalographic) signals is presented. EEG signals are gathered from seventeen subjects performing one of the three tasks: resting, watching a music video and playing a simple logic game. The methodology applied consists of several steps, namely: signal acquisition, signal processing utilizing z-score normalization, parametrization and...

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• Integration of the Eurasian Economic Union in Comparison to European Union Integration

  Publication

  • I. Sobaszek

  - Year 2018

  The aim of the article is to show the specificity of the integration of the Eurasian Economic Union (EEU) on the example of the integration of the European Union (EU). The EEU is a relatively young grouping that was established in 2015 by Republic of Armenia, the Republic of Belarus, the Republic of Kazakhstan, the Kyrgyz Republic and the Russian Federation. Its creators try to give the Eurasian integration process a different...

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• Comparison of modelling and measurement results of spectra emitted by a programmable lamp

  Publication

  • M. Feldzensztajn
  • A. Mazikowski

  - Photonics Letters of Poland - Year 2018

  Nowadays artificial light with an optimized spectrum is used in many different applications. For instance, it is widely used in museums and exhibitions to illuminate the art. Moreover, such light stimulates the growth of plants, or can be applied in industry and healthcare. To achieve the best results for each application, the adjusting of a dedicated spectrum is required, which is a complicated task. The ongoing research is focused...

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• Comparison of Downdraft and Updraft Gasification of Biomass in a Fixed Bed Reactor

  Publication

  • J. Kluska
  • M. Ochnio
  • P. Kazimierski
  • D. Kardaś

  - Archives of Thermodynamics - Year 2018

  The aim of this study was to compare and analyze the gasification process of beech wood. The experimental investigation was conducted inside a gasifier, which can be operated in downdraft and updraft gasification system. The most important operating parameter studied in this paper was the influence of the amount of supply air on the temperature distribution, biomass consumption and syngas calorific value. The results show that...

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• Inconsistent i contradictory judgements in pairwise comparison method in AHP.

  Publication

  • M. Kwiesielewicz
  • E. Van Uden

  - Year 2004

  Celem artykułu jest pokazanie zależności pomiędzy niezgodnymi i sprzecznymi macierzami danych, otrzymywanymi w wyniku porównań parami niewielkiej, skończonej libzy wariantów decyzyjnych. W szczególności pokazuje się macierze, które mimo prawidłowego wyniku testu zgodności posiadają oceny sprzeczne. Przedstawia się algorytm sprawdzający zgodność ocen.

• Structure generation and performance comparison of elliptic Gm-C filters.

  Publication

  • S. Kozieł
  • S. Szczepański
  • R. Schaumann

  - Year 2004

  W oparciu o zestaw macierzy opisujący ogólną topologię filtrów typu Gm-C opracowano procedurę efektywnej generacji struktur filtrów dolnoprzepustowych. Dla filtrów tego typu podano wyrażenia pozwalające analizować właściwości wrażliwościowe oraz określono zestaw odpowiednich kryteriów porównawczych. Szczegółowe badania porównawcze przeprowadzono dla wybranych filtrów 3-go rzędu w tym realizowanych w strukturach LF(leapfrog) i...

• An EIT reconstruction algorithm: comparison of one-step and iterative versions.

  Publication

  • A. Janczulewicz
  • J. Wtorek

  - Year 2004

  W pracy przeprowadzono dyskusję problemu rekonstrukcji jednokrokowej i iteracyjnej w tomografii elektroimpedancyjnej. Zbadano zależność błędu rekonstrukcji od parametrów zaburzenia dla wersji jednokrokowej algorytmu i porównano z wynikami rekonstrukcji iteracyjnej. W przeprowadzonych symulacjach wykorzystano algorytm Levenberga-Marquardta.

• Comparison of anode and electrolyte support configuration of single- chamber SOFC.

  Publication

  • P. Jasiński
  • T. Suzuki
  • Z. Byars
  • F. Dogan
  • H. U. Anderson

  - Year 2003

  W pracy przedstawiono wyniki badań jednokomorowych ogniw paliwowych SOFC, wytworzonych na podłożu z anody i elektrolitu. Użyto typowych materiałów wykorzystywanych do budowy dwukomorowych ogniw paliwowych SOFC: elektrolit - domieszkowany tlenek cyrkonu, anoda - cermet niklowo cyrkonowy, katoda - lantanian strontowo manganowy. Ogniwa były przygotowane w technologii odlewania ceramicznego i sitodruku. Parametry syntezy katody były...

• Experimental comparison of UML-HAZOP inspection and non-structured review

  Publication

  • A. Jarzębowicz
  • J. Górski

  - Year 2005

  Artykuł przedstawia eksperyment przeprowadzony na Politechnice Gdańskiej mający na celu porównanie dwóch technik przeglądowych. Poszczególne rozdziały zawierają: ogólne omówienie tematyki przeglądów i inspekcji, przedstawienie metody UML-HAZOP, opis przebiegu eksperymentu oraz uzyskanych rezultatów.

• Waveform relaxation and comparison methods for multistep boundary value problems

  Publication

  • T. Jankowski

  - Year 2005

  Stosując metody o których mowa w tytule pracy, podano warunki dostateczne na istnienie i jednoznaczność rozwiązania układów równań różniczkowo-funkcyjnych z warunkami brzegowymi. Pokazano zbieżność tych metod do rozwiązania problemu. Otrzymane wyniki zilustrowano przykładami.

• Longitudinal wave propagation. Part I - Comparison of rod theories

  Publication

  • M. Krawczuk
  • J. Grabowska
  • M. Palacz

  - JOURNAL OF SOUND AND VIBRATION - Year 2006

  W pracy przedstawiono modele spektralnych elementów skończonych do analizy propagacji fali wzdłuznej w pretach. Opracowano modele wykorzystujace teorię elementarną, teorie Love'a, teorie Mindlina oraz teorię trójpostaciową.

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• Implementation of the FOPID Algorithm in the PLC Controller - PWR Thermal Power Control Case Study

  Publication

  • B. Puchalski
  • T. A. Rutkowski
  • K. Duzinkiewicz

  - Year 2018

  In the paper authors describe proposition of design and verification procedures of the discrete Fractional Order PID (FOPID) algorithm for control of the Pressurized Water Reactor (PWR) thermal power near its nominal operating point. The FOPID algorithm synthesis consists of: off-line optimal tunning of its parameters in continuous time-domain with LQ (Linear Quadratic) performance index and simplified models of nuclear reactor...

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• Experimental comparison of hydrodynamic thrust bearings with different pad surface materials

  Publication

  • M. Wodtke

  - Year 2015

  Babbitt is the material most frequently used as the pad surface material for hydrodynamic bearings operating at usual operating conditions. It shows many advantages important for safe bearing operation, as for example: low friction coefficient, corrosion resistance, fair mechanical properties and outstanding conformability. On the other hand, it is not free from disadvantages, such as limited fatigue strength or limited resistance...

• Comparison of various flow maldistribution quantification methods in mini heat exchangers

  Publication

  • P. Dąbrowski

  - Scientific Reports - Year 2023

  The aim of study is to compare various flow maldistribution quantification methods, using velocity, mass flow rate, pressure, and temperature. An experimentally validated numerical study has been prepared and a heat exchanger with 34 semi-circular channels with a diameter of 3.1 mm has been tested. The minichannels were heated from the bottom with a heat flux of 50, 60, 70, and 80 kW/m2. The cases for various inlet velocities of...

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• Tensile validation tests with failure criteria comparison for various GFRP laminates

  Publication

  • T. Wiczenbach
  • T. Ferenc

  - Archives of Civil Engineering - Year 2021

  The paper studies the mechanical properties of glass fibre reinforced polymers (GFRP) with various types and orientation of reinforcement. Analyzed specimens manufactured in the infusion process are made of polymer vinyl ester resin reinforced with glass fibres. Several samples were examined containing different plies and various fibres orientation [0, 90] or [+45, –45]. To assess the mechanical parameters of laminates, a series...

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• Comparison of Properties of the Hybrid and Bilayer MWCNTs—Hydroxyapatite Coatings on Ti Alloy

  Publication

  • B. Majkowska-Marzec
  • R. Dorota
  • M. Bartmański
  • B. Bartosz
  • A. Zieliński

  - Coatings - Year 2019

  Carbon nanotubes are proposed for reinforcement of the hydroxyapatite coatings to improve their adhesion, resistance to mechanical loads, biocompatibility, bioactivity, corrosion resistance, and antibacterial protection. So far, research has shown that all these properties are highly susceptible to the composition and microstructure of coatings. The present research is aimed at studies of multi-wall carbon nanotubes in three different...

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• Comparison of safety levels required by adequate regulations for cargo ships of different types

  Publication

  • P. Szulczewski

  - Zeszyty Naukowe Akademii Morskiej w Szczecinie - Year 2021

  During the currently ongoing development of methods for assessing the safety of ships, it is imperative that a compromise between the accuracy of the results and the accessibility of obtaining results is reached. This paper shows the calculations of a theoretical hull against damage stability regulations as included in SOLAS 2020, ICLL 66/88 as amended in 2003 and MARPOL 78. The rules included in the currently valid regulations require...

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• Comparison of Transmission Capacities of Two Regulation Systems: Lateral and in-phase Control Transformers

  Publication

  • M. Sarnicki
  • R. Zajczyk
  • B. Tarakan
  • K. Tarakan

  - Acta Energetica - Year 2016

  This paper presents a comparison of regulation capabilities of lateral and in-phase control transformers in a selected node of a power system. Their regulation capabilities are presented, as well as cross-system exchange options.

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• Comprehensive comparison of compact UWB antenna performance by means of multi-objective optimization

  Publication

  • S. Kozieł
  • A. Bekasiewicz

  - IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION - Year 2017

  An optimization-based procedure for comprehensive performance comparison of alternative compact UWB antenna topologies is discussed. The assessment of the antenna performance is conducted with respect to the structure size and its reflection response. More specifically, the best possible tradeoffs between these two figures of merit are identified through multiobjective optimization at the level...

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• Comparison of the Effects of Conventional and Alternative External Carbon Sources for Enhancing of the Denitrification Process

  Publication

  • M. Swinarski
  • J. Mąkinia
  • K. Czerwionka
  • M. Chrzanowska
  • J. Drewnowski

  - WATER ENVIRONMENT RESEARCH - Year 2009

  Food industry effluents are considered a potential alternative for methanol when seeking external carbon sources to enhance denitrification in municipal wastewater treatment plants (WWTPs). The aim of this study was to determine the immediate effects of dosing different carbon sources on the denitrification capability of process biomass from the "Wschod" WWTP in Gdansk (northern Poland). Five carbon sources, including settled wastewater,...

• Productivity effects of trade in natural resources—comparison with mechanisms of technological specialisation

  Publication

  • Z. H. Zarach
  • A. Parteka

  - WORLD ECONOMY - Year 2023

  This paper compares two alternative growth paths, assessing the effects on productivity of specialisation in natural resources (NR) and in technologically advanced products. The empirical analysis exploits product-level export data for 109 developing and 51 developed economies over the period 1996–2018. We document two distinct types of specialisation, based on exports either of natural resources or of technological products, and...

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• Heat transfer intensification by enlarged surface roughness in the plate heat exchanger

  Publication

  • J. Wajs
  • D. Mikielewicz

  - Year 2013

  In the paper an experimental analysis of passive heat transfer intensification technique employed in the case of the plate heat exchanger is presented. The passive intensification was obtained by a modification of the heat transfer surface. The roughness of surface was increased by a use of glass micro-beads. Single-phase convective heat transfer in the water-water system was studied. The experiment was accomplished in two stages....

• Comparison of Impedance-Source Networks for Two and Multilevel Buck–Boost Inverter Applications

  Publication

  • O. Husev
  • F. Blaabjerg
  • C. Roncero-Clemente
  • E. Romero-Cadaval
  • D. Vinnikov
  • Y. Siwakoti
  • R. Strzelecki

  - IEEE TRANSACTIONS ON POWER ELECTRONICS - Year 2016

  mpedance-source networks are an increasingly popular solution in power converter applications, especially in single-stage buck-boost power conversion to avoid additional front-end dc-dc power converters. In the survey papers published, no analytical comparisons of different topologies have been described, which makes it difficult to choose the best option. Thus, the aim of this paper is to present a comprehensive analytical comparison...

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• Comparison of different extraction techniques of polychlorinated biphenyls from sediments samples.

  Publication

  • A. Mechlińska
  • L. Wolska
  • J. Namieśnik

  - ANALYTICAL LETTERS - Year 2010

  In this work, problems that may occur during determination of trace levels of polychlorinated biphenyls in sediment samples are described. Main error sources are connected with extraction of analytes prior to final determination. During model studies, polychlorinated biphenyls have been extracted from sedimentreference material (METRANAL 2) with the use of different solvents (dichloromethane, hexsane, and toluene); the process...

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• Compensation Topologies in IPT Systems: Standards, Requirements, Classification, Analysis, Comparison and Application

  Publication

  • V. Shevchenko
  • O. Husev
  • R. Strzelecki
  • B. Pakhaliuk
  • N. Poliakov
  • N. Strzelecka

  - IEEE Access - Year 2019

  Wireless power transfer devices are becoming more relevant and widespread. Therefore, an article is devoted to a review, analysis and comparison of compensation topologies for an inductive power transfer. A new classification of topologies is developed. A lot of attention is paid to the problems of the physical fundamentals of compensation work, standards, safety, and five main topology requirements. It is determined, that topologies...

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• Comparison of two methods of sound extraction from guitar string video recordings

  Publication

  • M. Zaporowska
  • A. Czyżewski

  - Year 2020

  A comparison of two sound extraction methods from guitar string video recordings is presented in the paper. A brief overview of highframe rate camera technology and possible applications are included. The method using the image analysis from two such cameras is presented. The cameras are placed at the angle of 90 degrees for recording the image in three planes. The results achieved...

• Multi-region fuzzy logic controller with local PID controllers for U-tube steam generator in nuclear power plant

  Publication

  • B. Puchalski
  • K. Duzinkiewicz
  • T. A. Rutkowski

  - Archives of Control Sciences - Year 2015

  In the paper, analysis of multi-region fuzzy logic controller with local PID controllers for steam generator of pressurized water reactor (PWR) working in wide range of thermal power changes is presented. The U-tube steam generator has a nonlinear dynamics depending on thermal power transferred from coolant of the primary loop of the PWR plant. Control of water level in the steam generator conducted by a traditional PID controller...

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• Explicit solvent repulsive scaling replica exchange molecular dynamics ( RS‐REMD ) in molecular modeling of protein‐glycosaminoglycan complexes

  Publication

  • M. Marcisz
  • M. Gaardløs
  • K. Bojarski
  • T. Siebenmorgen
  • M. Zachariasen
  • S. A. Samsonov

  - JOURNAL OF COMPUTATIONAL CHEMISTRY - Year 2022

  Glycosaminoglcyans (GAGs), linear anionic periodic polysaccharides, are crucial for many biologically relevant functions in the extracellular matrix. By interacting with proteins GAGs mediate processes such as cancer development, cell proliferation and the onset of neurodegenerative diseases. Despite this eminent importance of GAGs, they still represent a limited focus for the computational community in comparison to other classes...

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• Comparison of Single and Multi-Population Evolutionary Algorithm for Path Planning in Navigation Situation

  Publication

  • Ł. Kuczkowski
  • R. Śmierzchalski

  - Solid State Phenomena - Year 2014

  In this paper a comparison of single and multi-population evolutionary algorithm is presented. Tested algorithms are used to determine close to optimal ship paths in collision avoidance situation. For this purpose a path planning problem is defined. A specific structure of the individual path and fitness function is presented. Principle of operation of single-population and multi-population evolutionary algorithm is described....

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• Comparison of Different Measurement Techniques as Methodology for Surveying and Monitoring Stainless Steel Chimneys

  Publication

  • K. Daliga
  • Z. Kurałowicz

  - Geosciences - Year 2019

  The measurement of a chimney axis is an engineering geodesy task. These measurements allow to assess the technical condition of chimneys and are usually carried out for reinforced concrete chimneys. When measuring high chimneys, the main problem may be the need to go a long distance to take a measurement. The surface of the chimney can also be problematic because it can absorb so much light from the range finder that total station...

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• FINANCIAL COMPARISON OF WESTERN BALKAN AND BALTIC SEA STATES USING THE CAMEL APPROACH

  Publication

  • K. Kubiszewska

  - International Business and Global Economy - Year 2017

  • The aim - This article aims to compare the situation in the banking sectors of two regions, which due to their political and economic history have much in common. These are the Western Balkan States of Serbia, Croatia and Macedonia, and the Baltic Sea States of Lithuania, Estonia, and Latvia. • Methods - It presents three approaches to defining banking stability that can be found in the literature and carries out an initial...

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• Self-optimizing generalized adaptive notch filters - comparison of three optimization strategies

  Publication

  • M. Niedźwiecki
  • P. A. Kaczmarek

  - AUTOMATICA - Year 2009

  The paper provides comparison of three different approaches to on-line tuning of generalized adaptive notch filters (GANFs) the algorithms used for identification/tracking of quasi-periodically varying dynamic systems. Tuning is needed to adjust adaptation gains, which control tracking performance of ANF algorithms, to the unknown and/or time time-varying rate of system nonstationarity. Two out ofthree compared approaches are classical...

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• Comparison of Selected Neural Network Models Used for Automatic Liver Tumor Segmentation

  Publication

  • D. Kwiatkowski
  • T. Dziubich

  - Year 2023

  Automatic and accurate segmentation of liver tumors is crucial for the diagnosis and treatment of hepatocellular carcinoma or metastases. However, the task remains challenging due to imprecise boundaries and significant variations in the shape, size, and location of tumors. The present study focuses on tumor segmentation as a more critical aspect from a medical perspective, compared to liver parenchyma segmentation, which is the...

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• Perspective of Created Value in Consumer Choice: Comparison of Economic and Ecological Dimensions

  Publication

  • J. Kubiczek
  • B. Hadasik
  • D. Krawczyńska
  • K. Przedworska
  • E. Madarász
  • A. Ryczko

  - SAGE Open - Year 2024

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• Comparison of Seepage Models Applied to Design of Trapezoidal Infiltration Trenches and Basins

  Publication

  • J. NIEĆ
  • R. Błażejewski
  • P. Zawadzki
  • M. Kozłowski

  - JOURNAL OF IRRIGATION AND DRAINAGE ENGINEERING-ASCE - Year 2021

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• Comparison of Customers’ Perception of the Quality of Poland-Turkey Electronic Marketing Solutions

  Publication

  • W. Chmielarz
  • M. Zborowski
  • M. Atasever
  • A. Fandrejewska

  - Procedia Computer Science - Year 2020

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• A Comparison Study of Strategies for Combining Classifiers from Distributed Data Sources

  Publication

  • I. Czarnowski
  • P. Jȩdrzejowicz

  - Year 2009

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• Comparison of LaCl3:Ce and NaI(Tl) scintillators in γ-ray spectrometry

  Publication

  • M. Balcerzyk
  • M. Moszyński
  • M. Kapusta

  - NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT - Year 2005

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• Comparison of Selected Reduction Methods of Bathymetric Data Obtained by Multibeam Echosounder

  Publication

  • M. Wlodarczyk-Sielicka
  • A. Stateczny

  - Year 2016

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• Comparison of the geophysical excitations of polar motion from the period: 1980.0–2009.0

  Publication

  • J. Nastula
  • M. Paśnicka
  • B. Kołaczek

  - Acta Geophysica - Year 2011

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• A comparison of exhaust emissions from vehicles fuelled with petrol, LPG and CNG

  Publication

  • P. Bielaczyc
  • A. Szczotka
  • J. Woodburn
  • P. Bielaczyc

  - IOP Conference Series: Materials Science and Engineering - Year 2016

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• The Comparison of the Emissions from Light Duty Vehicle in On-road and NEDC Tests

  Publication

  • J. Merkisz
  • P. Fuc
  • P. Lijewski
  • P. Bielaczyc

  - Year 2010

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• Comparison of Aging Simulation to Real Aging of Silicone Self-adhesives Tapes

  Publication

  • A. Antosik
  • K. Mozelweska
  • K. Gziut

  - Silicon - Year 2023

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• Experimental verification and comparison of mode shape-based damage detection methods

  Publication

  • M. Radzieński
  • M. Krawczuk
  • W. Ostachowicz

  - Key Engineering Materials - Year 2009

  W pracy przedstawiono wynik badań eksperymentalnych dotyczących oceny dokładności znanych z literatury metod detekcji uszkodzeń konstrukcji wykorzystujących zmiany jej parametrów modalnych. Pomiary wykonano wykorzystując skaner laserowy firmy Polytec. Omówiono sposoby poprawy jakości uzyskiwanych wyników, oraz zaproponowano własną metodę detekcji uszkodzeń wykorzystującą pomiar postaci i częstości drgań własnych konstrukcji.

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• Comparison of the UEScope videolaryngoscope with the Macintosh laryngoscope during simulated cardiopulmonary resuscitation

  Publication

  • L. Szarpak
  • A. Madziala
  • M. Czekajlo
  • J. Smereka
  • A. Kaserer
  • M. Dabrowski
  • M. Madziala
  • R. Yakubtsevich
  • J. Ladny
  • K. Ruetzler
  • M. Andrzej Madziała

  - MEDICINE - Year 2018

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• The Numerical Comparison of Heat Transfer in a Coated and Fixed Bed of an Adsorption Chiller

  Publication

  • K. Grabowska
  • M. Sosnowski
  • J. Krzywanski
  • K. Sztekler
  • W. Kalawa
  • A. Zylka
  • W. Nowak

  - Journal of Thermal Science - Year 2018

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• The Body as an Object of Stigmatization in Cultures of Guilt and Shame: A Polish–Vietnamese Comparison

  Publication

  • M. Lipowska
  • H. Truong
  • M. Lipowski
  • J. Różycka-Tran
  • M. Bidzan
  • T. Ha

  - International Journal of Environmental Research and Public Health - Year 2019

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• A comparison of tribological properties of nanolubricants containing carbon nanotori and additional additives

  Publication

  • E. Sifuentes
  • O. Kharissova
  • D. Maldonado-Cortés
  • L. Peña-Parás
  • R. Michalczewski
  • B. Kharisov

  - MATERIALS CHEMISTRY AND PHYSICS - Year 2021

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• Comparison of Vacuum Sintered and Selective Laser Melted Steel AISI 316L

  Publication

  • Z. Brytan
  • Z. Brytan

  - Archives of Metallurgy and Materials - Year 2017

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• The real alternative? A comparison of German real estate returns with bonds and stocks

  Publication

  • N. Szumilo
  • T. Wiegelmann
  • E. Łaszkiewicz
  • M. Pietrzak
  • A. Balcerzak
  • M. Pietrzak

  - Journal of Property Investment & Finance - Year 2018

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