Search results for: ENERGY AND WATER CONSERVATION

• Alternative Energy and Ecology

  Journals

  ISSN: 0002-0003

• Energy & Environmental Materials

  Journals

  eISSN: 2575-0356

• Green Energy & Environment

  Journals

  ISSN: 2096-2797 , eISSN: 2468-0257

• Journal of Energy Systems

  Journals

  eISSN: 2602-2052

• Energy Harvesting and Systems

  Journals

  ISSN: 2329-8774 , eISSN: 2329-8766

• Journal of Physics-Energy

  Journals

  ISSN: 2515-7655

• Journal of Energy and Development

  Journals

  ISSN: 0361-4476

• Global Energy Interconnection

  Journals

  ISSN: 2096-5117 , eISSN: 2590-0358

• Renewable Energy Focus

  Journals

  ISSN: 1755-0084 , eISSN: 1878-0229

• JOURNAL OF THE ENERGY INSTITUTE

  Journals

  ISSN: 1743-9671 , eISSN: 1746-0220

• Energy Material Advances

  Journals

  ISSN: 2097-1133

• A Model of Thermal Energy Storage According to the Convention of Bond Graphs (BG) and State Equations (SE)

  Publication

  • M. Cichy
  • J. Kropiwnicki
  • Z. Kneba

  - Polish Maritime Research - Year 2015

  The main advantage of the use of the Bond Graphs method and State Equations for modeling energy systems with a complex structure (marine power plants, hybrid vehicles, etc.) is the ability to model the system components of different physical nature using identical theoretical basis. The paper presents a method of modeling thermal energy storage, which is in line with basic BG theory. Critical comments have been put forward concerning...

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• Effect of water salinity on properties of multipass underwater wet manual metal arc welded joints

  Publication

  • J. Tomków
  • D. Fydrych
  • J. Łabanowski

  - Welding in the World - Year 2023

  The weldability of steel under the water is limited due to the influence of the environment. Water causes limited visibility, presence of the residual stresses, increasing the cooling rate, and increasing the diffusible hydrogen content in deposited metal, leading to the formation of brittle microstructures in heat-affected zone (HAZ). The paper presents the results of mechanical properties testing of S420G2+M steel welded joints...

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• Experimental investigation of forced convection of water/EGAl2O3 nanofluids inside horizontal tube

  Publication

  • J. Cieśliński
  • P. Kozak

  - Year 2018

  In this paper, forced convection of water/EG-Al2O3 nanofluids inside horizontal stainless steel tube is studied experimentally. As base fluid served water/EG mixture of two ratios (60:50 and 50:50). Nanoparticle mass concentrations was 0.1% or and 1%. Transition and turbulent flow regimes were tested. Average heat transfer coefficient and pressure drop values were determined for nanofluids and compared to base fluids. Deterioration...

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• Identification of the Contamination Source Location in the Drinking Water Distribution System Based on the Neural Network Classifier

  Publication

  • T. A. Rutkowski

  - IFAC-PapersOnLine - Year 2018

  The contamination ingression to the Water Distribution System (WDS) may have a major impact on the drinking water consumers health. In the case of the WDS contamination the data from the water quality sensors may be efficiently used for the appropriate disaster management. In this paper the methodology based on the Learning Vector Quantization (LVQ) neural network classifier for the identification of the contamination source location...

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• Interfacial water controls the process of adsorption of hyperactive antifreeze proteins onto the ice surface

  Publication

  • J. Grabowska
  • A. Kuffel
  • J. Zielkiewicz

  - JOURNAL OF MOLECULAR LIQUIDS - Year 2020

  A mechanism of interactions between the ice-binding surface of a hyperactive antifreeze protein molecule and the ice surface is proposed, involving the influence of water present between the two surfaces on the behavior of the approaching molecule. It is demonstrated that the interfacial water, even before its full solidification, can act as a factor that pushes away or pulls nearer the protein molecule to ensure its proper positioning....

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• PHYSICAL MODEL OF ENERGY-RELATED PROCESSES IN A ROTATING MECHANICAL SYSTEM FOR THE PURPOSES OF DIAGNOSIS OF TRANSMISSION SHAFTS

  Publication

  • Z. Korczewski
  • K. M. Marszałkowski

  - Journal of Polish CIMEEAC - Year 2016

  In the present article, selected problems connected with identification of slowly changing energy-related processes accompanying high cyclic fatigue of construction materials of simple mechanical systems, with special consideration of transmission shafts, are mentioned for diagnostic purposes. The article also presents physical models of object and processes that in a simplified way reflect mechanical energy transmission from transmission...

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• Ranking of ecotoxisity tests for underground water assessment using the Hasse diagram technique

  Publication

  • B. Kudłak
  • S. Tsakovsky
  • V. Simeonov
  • A. Tracz-Sagajdakow
  • L. Wolska
  • J. Namieśnik

  - CHEMOSPHERE - Year 2014

  The present study deals with the novel application of the Hasse diagram technique (HDT) for the specific ranking of ecotoxicity tests capable of assessment of underground water quality. The area studied is a multi-municipal landfill in the northern Poland. The monitoring network of the landfill constitutes of 27 piezometers for underground water monitoring and two observation points at surface water courses. After sampling, chemical...

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• Unusual Influence of Fluorinated Anions on the Stretching Vibrations of Liquid Water

  Publication

  • M. Śmiechowski

  - JOURNAL OF PHYSICAL CHEMISTRY B - Year 2018

  Infrared (IR) spectroscopy is a commonly used and invaluable tool in the studies of solvation phenomena in aqueous solutions. Concurrently, ab initio molecular dynamics (AIMD) simulations deliver the solvation shell picture at a molecular detail level and allow for a consistent decomposition of the theoretical IR spectrum into underlying spatial correlations. Here, we demonstrate how the novel spectral decomposition techniques...

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• Low energy differential elastic electron scattering from acetonitrile (CH3CN)

  Publication

  • M. Zawadzki
  • M. Khakoo

  - JOURNAL OF CHEMICAL PHYSICS - Year 2018

  Measurements of elastic differential cross sections for electron scattering from acetonitrile (CH3CN) have been performed utilizing a crossed electron-molecular beam experiment and with the relative flow method, for the incident electron energy range of 0.7 eV–30 eV and the scattering angle range of 10◦–130◦. These differential cross sections have been used to calculate the elastic integral and momentum- transfer cross sections,...

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• Interaction of low energy electrons with formic acid monomer, dimer and trimer

  Publication

  • L. Ziemczonek
  • T. Wróblewski

  - The European Physical Journal-Special Topics - Year 2007

  Configurations of the formic acid monomer, dimer and trimer are presented. We have calculated the total energies for these structures. We have considered also the negatively charged clusters and discussed the possible pathways of interaction of low energy electrons with monomers and clusters. Calculations have been executed using 6-311G** and 6-311++G** basis sets. The electron affinities of monomer and clusters are presented....

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• Influence of Water-Induced Degradation of Polytetrafluoroethylene (PTFE)-Coated Woven Fabrics Mechanical Properties

  Publication

  • A. Ambroziak
  • P. Kłosowski

  - Materials - Year 2022

  The impact of water-induced degradation on the mechanical properties of the chosen two PTFE-coated, glass threads woven fabrics is investigated in this paper. The paper begins with a survey of literature concerning the investigation and determination of coated woven fabric properties. The authors carried out the uniaxial tensile tests with an application of flat and curved grips to establish the proper values of the ultimate tensile...

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• Improving the energy balance in wastewater treatment plants by optimization of aeration control and application of new technologies

  Publication

  • E. Zaborowska
  • J. Majtacz
  • J. Drewnowski
  • D. Sobotka
  • H. Al-Hazmi
  • P. Kowal
  • J. Mąkinia

  - Year 2018

  The methods to improve the energy balance of a wastewater treatment plant (WWTP) by optimization of aeration process control and application of innovative nitrogen removal technologies were overviewed in the study. The control of aeration based on the ABAC (Ammonia-Based Aeration Control) system allows not only for significant savings in electricity consumption, but it can also increase the efficiency of the denitrification process....

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• Impact of maintenance of floodplains of the Vistula River on high water levels on the section from Włocławek to Toruń

  Publication

  • D. Gąsiorowski
  • M. Szydłowski

  - Acta Energetica - Year 2013

  This article describes the methodology of hydraulic calculations to estimate the water levels in open channels for steady gradually varied flow. The presented method has been used to analyse the water level on the Vistula River from Włocławek cross-section to Toruń cross-section. The HEC-RAS modelling system has been used for parameterization of the river channel and floodplains, as well as for flow simulation. The results obtained...

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• Lucyna Nyka prof. dr hab. inż. arch.

  People

  Gdańsk University of Technology, Faculty of Architecture, Department of Urban Architecture and Waterscapes

  Lucyna Nyka (Ph.D., D.Sc., Prof.) is a Professor at the Faculty of Architecture, Gdańsk University of Technology, in 2008-2016 a Vice-Dean for Research, and since 2016 – Dean of the Faculty of Architecture.    Her research interests focus on issues concerning water-related architecture and urban landscapes. She is the author and co-author of many projects focused on urban renewal. She was an author of the EU-founded (Audiovisual...

• Temper bead welding of S420G2+M steel in water environment

  Publication

  • D. Fydrych
  • A. Świerczyńska
  • G. Rogalski
  • J. Łabanowski

  - Advances in Materials Science - Year 2016

  The article presents the idea of the use of Temper Bead Welding (TBW) technique to improve the weldability of high strength steel at underwater wet welding conditions. Wet welding method with the use of covered electrodes is described. This work shows results of metallographic examinations and hardness measurements of samples of S420G2+M steel with weld beads performed under water. It has been shown that Temper Bead Welding technique...

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• PARTICLE SIZE ANALYSIS OF SUSPENSIONS IN REMOVING OF ORGANIC MATTER AND PHOSPHORUS FROM WASTEWATER AND SURFACE WATER

  Publication

  • A. Lang
  • K. Kołecka

  - Architecture Civil Engineering Environment - Year 2012

  In this paper the particle size of suspended solids in the removing of organic matter and phosphorus compounds from lake water and wastewater treated in the Ecological Treatment Systems (ETS) was analyzed. The invesigated materials were taken from two ETS located in Pomerania Region/Poland. Object in Swarzewo is 3rd stage of biological treatment of municipal wastewater, while object in Kartuzy has task to remove a phosphorus from...

• Low-Pressure Injection of Water and Urea-Water Solution in Flash-Boiling Conditions

  Publication

  • Ł. Kapusta
  • R. Rogoz
  • J. Bachanek
  • Ł. Boruc
  • A. Teodorczyk

  - Year 2020

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• Identification of the Inertia of Masses Flowing Water through the Pipes in Water Power Plants

  Publication

  • G. Redlarski
  • A. Grono
  • M. A. Dąbkowski
  • P. Niklas
  • M. Śliwiński

  - Solid State Phenomena - Year 2009

  W artykule przedstawiono sposób identyfikacji stałej czasowej reprezentującej bezwładność mas przepływającej wody w systemie rurociągów, w elektrowni wodnej. Przedstawiono strukturę modelu układu regulacji prędkości kątowej wykorzystywanego w procesie identyfikacji oraz przeprowadzono badania skuteczności działania metody w środowisku Matlab-Simulink. Opisano najistotniejsze wnioski wynikające z przeprowadzonych badań symulacyjnych.

• Structural properties of water: Comparison of the SPC, SPCE, TIP4P and TIP5P models of water

  Publication

  • J. Zielkiewicz

  - Year 2005

  Dla czterech najpopularniejszych modeli wody obliczono wartości entropii absolutnej ciekłej wody w temperaturze 298 K, średnią liczbę wiązań wodorowych tworzonych przez cząsteczkę wody, średni czas życia wiązania wodorowego, średni czas życia cząsteczki wody w stanie związanym (gdy tworzy ona co najmniej jedno wiązanie wodorowe) oraz średnią energię wiązania wodorowego. Otrzymane rezultaty porównano z eksperymentem. Uzyskane wyniki...

• Pool boiling of water-Al2O3 and water-Cu nanofluids on horizontal smooth tubes

  Publication

  • J. Cieśliński
  • T. Kaczmarczyk

  - Year 2010

  Przedstawiono wyniki badań eksperymentalnych wrzenia dwóch nanocieczy woda-Al2O3 i woda Cu na poziomych gładkich rurkach stalowych i miedzianych. Koncentracja nanoicząstek wynosiła 0.01%, 0.1% oraz 1%.

• Pool boiling of water-Al2O3 and water-Cu nanofluids on horizontal smooth tubes

  Publication

  • J. Cieśliński
  • T. Kaczmarczyk

  - Nanoscale Research Letters - Year 2011

  Przedstawiono wyniki pomiarów współczynnika przejmowania ciepła podczas wrzenia dwóch nanocieczy, tj. woda-Al2O3 i woda-Cu o trzech koncentracjach masowych nanocząstek: 0.01%,0.1% oraz 1% na poziomych gładkich rurkach ze stali nierdzewnej i miedzi o średnicy zewnętrznej 10 mm.

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• Hybrid energy storage forelectric multiple units to operate at the partially electrified line Gdynia -Hel

  Publication

  • D. Karkosiński
  • P. Stromski
  • N. Karkosińska-Brzozowska

  - Pojazdy Szynowe - Year 2021

  The article presents calculations enabling the selection of an on-board energy storage device to replace diesel-powered trains with modern storage multiple units on the example railway line Gdynia Główna -Hel. The pioneering and currently used storage electric multiple units, mainly in Europe, were presented. The condensed results of the inventory of the line in question, including the technical condition...

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• Grid-Forming Operation of Energy-Router Based on Model Predictive Control with Improved Dynamic Performance

  Publication

  • M. Najafzadeh
  • N. Strzelecka
  • O. Husev
  • I. Roasto
  • K. Nassereddine
  • D. Vinnikov
  • R. Strzelecki

  - ENERGIES - Year 2022

  The focus of this study is on the grid-forming operation of the Energy Router (ER) based on Model Predictive Control (MPC). ER is regarded as a key component of microgrids. It is a converter that interfaces the microgrid (s) with the utility grid. The ER has a multiport structure and bidirectional energy flow control. The ER concept can be implemented in Nearly Zero-Energy Buildings (NZEB) to provide flexible energy control. A...

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• Multi-sensor monitoring of the corrosion rate and the assessment of the efficiency of a corrosion inhibitor in utility water installations

  Publication

  • J. Orlikowski
  • K. Darowicki
  • S. Mikołajski

  - SENSORS AND ACTUATORS B-CHEMICAL - Year 2013

  This paper presents an implementation of the monitoring of the corrosion rate and the assessment of the efficiency of a corrosion inhibitor in a utility water installation using an automated corrosion monitoring system. Due to the fact that the corrosion inhibitor was added to water intended for human consumption, it was necessary to build a multi-sensor monitoring system. In order to implement corrosion monitoring using a linear...

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

  Publication

  • M. Amiri
  • P. Ziółkowski
  • K. Stasiak
  • D. Mikielewicz

  - Year 2022

  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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• Magnetic semiconductor photocatalysts for the degradation of recalcitrant chemicals from flow back water

  Publication

  • A. Zielińska-Jurek
  • Z. Bielan
  • I. Wysocka
  • J. Strychalska-Nowak
  • M. Janczarek
  • T. Klimczuk

  - JOURNAL OF ENVIRONMENTAL MANAGEMENT - Year 2017

  In the present study treatability of persistent organic compounds from the flow back water after hydrauling fracturing was investigated. The combination of TiO2 photocatalyst and magnetic oxide nanoparticles enhance the separation and recoverable property of nanosized TiO2 photocatalyst. Fe3O4/ TiO2 and Fe3O4@SiO2/TiO2 nanocomposites were prepared by heteroagglomeration. The photocatalysts’ characteristics by X-ray diffractometry...

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• Molecular mobility of water protons under interaction with chemically modified starches. DSC and HMR-relaxation investigations

  Publication

  • A. Sergeev
  • N. Szilkina
  • L. Wasserman
  • C. Szilow
  • H. Staroszczyk

  - Fizyka Chemiczna [czas. rosyjskojęzyczne] - Year 2017

  The change of water protons mobility in the system chemically modified starches – water were investigated by DSC and NMR-relaxation methods. The amount of unfrozen water at subzero temperature as well as additional unfrozen water which appears after gelatinization have lower values for chemically modified starches in comparison with the native starch. The proton spin-spin relaxation time Т2 for chemically modified starch samples,...

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• Canadian Water Resources Journal

  Journals

  ISSN: 0701-1784 , eISSN: 1918-1817

• WATER AIR AND SOIL POLLUTION

  Journals

  ISSN: 0049-6979 , eISSN: 1573-2932

• Journal of Water and Climate Change

  Journals

  ISSN: 2040-2244

• Journal of Water and Land Development

  Journals

  ISSN: 1429-7426 , eISSN: 2083-4535

• CLEAN-SOIL AIR WATER

  Journals

  ISSN: 1863-0650 , eISSN: 1863-0669

• Meteorology Hydrology and Water Management

  Journals

  ISSN: 2299-3835 , eISSN: 2353-5652

• Journal of Water Management Modeling

  Journals

  ISSN: 2292-6062

• WEM-WATER ENGINEERING & MANAGEMENT

  Journals

  ISSN: 0273-2238

• Water Quality Exposure and Health

  Journals

  ISSN: 1876-1658

• Journal of Water Process Engineering

  Journals

  ISSN: 2214-7144

• Australian Journal of Water Resources

  Journals

  ISSN: 1324-1583

• Journal of Water Reuse and Desalination

  Journals

  ISSN: 2220-1319