Wyniki wyszukiwania dla: UNCONVENTIONAL GAS RESOURCES

• Power augmentation of PGE Gorzow's gas turbine by steam injection - thermodynamic overview

  Publikacja

  • P. Ziółkowski
  • M. D. Lemański
  • J. Badur
  • L. Nastałek

  - Rynek Energii - Rok 2012

  The impact of steam injection upon a gas turbine and a combined power plant performance has been investigated. This article describes and summarizes possibilities of modification for current gas turbine in PGE Gorzow power plant into the Cheng cycle. Our modification deals with a thermal cycle, in which steam produced in a heat recovery steam generator is injected into the gas turbine's combustion chamber. It has been proved that...

• Fluctuation-enhanced scent sensing using a single gas sensor

  Publikacja

  • M. Kotarski
  • J. Smulko
  • A. Czyżewski
  • S. Melkonyan

  - SENSORS AND ACTUATORS B-CHEMICAL - Rok 2011

  Scent or aroma sensing during aromatherapy can be carried out by applying only a single resistance gas sensor (TGS - Taguchi Gas Sensors). This paper considers the efficiency of detection of essential oils by DC resistance and its fluctuations observed in TGS sensors. A detailed study has been conducted for scents emitted by five popular essential oils using three sensor types (TGS 2600, TGS 2602, TGS 823). The research was focused...

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• Comparison of an Electronic Nose Based on Ultrafast Gas Chromatography, Comprehensive Two-Dimensional Gas Chromatography, and Sensory Evaluation for an Analysis of Type of Whisky

  Publikacja

  • P. Wiśniewska
  • M. Śliwińska
  • T. Dymerski
  • W. Wardencki
  • J. Namieśnik

  - Journal of Chemistry - Rok 2017

  Whisky is one of the most popular alcoholic beverages. There are many types of whisky, for example, Scotch, Irish, and American whisky (called bourbon). The whisky market is highly diversified, and, because of this, it is important to have a method which would enable rapid quality evaluation and authentication of the type of whisky. The aim of this work was to compare 3 methods: an electronic nose based on the technology of ultrafast...

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• Control of mass concentration of reagents by sound in a gas with nonequilibrium chemical reactions

  Publikacja

  • A. Perelomova

  - CANADIAN JOURNAL OF PHYSICS - Rok 2010

  The weakly nonlinear dynamics of a chemically reacting gas is studied. Nonlinear interaction of acoustic and nonacoustic types of motion are considered. We decompose the base equations using the relationships of the gas-dynamic perturbations specific for every type of motion. The governing equation for the mass fraction of a reagent influenced by dominating sound is derived and discussed. The conclusions concern the equilibrium...

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• Problems of inland navigation in Poland in view of integrated water resources management (IWRM)

  Publikacja

  • T. Jarzębińska

  - Rok 2007

  W artykule przedstawiono zasady zintegrowane zarządzania gospodarką wodna. Przedstawiono rolę żeglugi środlądowej w gospodarce wodnej Polski i krajów czlonkowskich Unii Europejskiej. Przedstawiono aktualny stan dróg wodnych w Polsce, ograniczenia rozwoju i perspektywy na przyszłośc z punktu widzenia ZZGW.

• PROSPECTS FOR RATIONAL USE OF MINERAL RESOURCES OF THE DZHAKSY-KLYCH DEPOSIT, THE ARAL REGION

  Publikacja

  • . Bishimbayev
  • . Issayeva
  • . Nowak
  • . Serzhanov
  • . Tleukeyeva
  • . Lesca
  • B. Leska

  - News of the National Academy of Sciences of the Republic of Kazakhstan-Series of Geology and Technical Sciences - Rok 2020

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• A Flexible Provisioning Module Optimizing Utilization of Resources for the Future Internet IIP Initiative

  Publikacja

  • J. Gozdecki
  • M. Kantor
  • K. Wajda
  • J. Rak

  - Rok 2012

  W artykule zaprezentowano aspekty projektowania i implementacji modułu wymiarowania zasobów sieci zaproponowanego w ramach projektu Inżynieria Internetu Przyszłości. W szczególności, wprowadzone zostały modele programowania liniowego wymiarowania zasobów sieci mające na celu minimalizację poziomu wykorzystania tychże zasobów, jak i maksymalizację nieprzydzielonej przepustowości. W dalszej części artykułu dokonano oceny charakterystyk...

• The effects of gas exposure on the graphene/AlGaN/GaN heterostructure under UV irradiation

  Publikacja

  • K. Drozdowska
  • S. Rumyantsev
  • J. Smulko
  • A. Kwiatkowski
  • P. Sai
  • P. Prystawko
  • A. Krajewska
  • G. Cywiński

  - SENSORS AND ACTUATORS B-CHEMICAL - Rok 2023

  This work demonstrates a graphene/AlGaN/GaN sensing device with two-dimensional electron gas (2DEG) toward nitrogen dioxide (NO2), tetrahydrofuran, and acetone detection under UV light irradiation. We propose combining measurements of the DC characteristics with a fluctuation-enhanced sensing method to provide insight into the gas detection mechanisms in the synergistic structure of highly stable GaN and gas-sensitive graphene....

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• Experimental investigation of domestic gas boiler fitted with ORC module

  Publikacja

  • J. Wajs
  • D. Mikielewicz
  • M. Bajor

  - Rok 2016

  In the paper the prototype of innovative domestic cogenerative ORC system, consisting of a conventional gas boiler and a small size axial vapour microturbines (in-house designed for ORC and the commercially available for Rankine cycle (RC)), evaporator and condenser were scrutinised. In the course of study the fluid working temperatures, rates of heat, electricity generation and efficiency of the whole system were obtained. The...

• Resources-Basel

  Czasopisma

  ISSN: 2079-9276

• Development of Gas Sensor Array for Methane Reforming Process Monitoring

  Publikacja

  • D. Dobrzyniewski
  • B. Szulczyński
  • T. Dymerski
  • J. Gębicki

  - SENSORS - Rok 2021

  The article presents a new method of monitoring and assessing the course of the dry methane reforming process with the use of a gas sensor array. Nine commercially available TGS chemical gas sensors were used to construct the array (seven metal oxide sensors and two electrochemical ones). Principal Component Regression (PCR) was used as a calibration method. The developed PCR models were used to determine the quantitative parameters...

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• OPTIMIZATION OF THE LAST STAGE OF GAS-STEAM TURBINE USING A HYBRID METHOD

  Publikacja

  • P. Ziółkowski
  • Ł. Witanowski
  • P. Klonowicz
  • S. Głuch

  - Rok 2021

  This paper relates to the CFD calculation of a new turbine type which is in the phase of theoretical analysis, because the working fluid is a mixture of steam and gas generated in wet combustion chamber. At first, this article concentrates on a possibility of streamlining the flow efficiency of a last stage of axial turbine working on gas-steam mixture using a hybrid of the particle swarm optimization algorithm with the Nelder-Mead...

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• Thermal failure of a second rotor stage in heavy duty gas turbine

  Publikacja

  • D. Sławiński
  • P. Ziółkowski
  • J. Badur

  - ENGINEERING FAILURE ANALYSIS - Rok 2020

  The impulse mode of operation and the supply of various types of fuels causes frequent failures even in the heavy duty gas turbines. The paper presents the ravages of second rotor stage failure in a gas turbine. The excessive thermal elongation rise caused by fuel change was indicated as the main cause. We applied nonlinear numerical analysis, preceded by thermodynamic calculations of the turbine and visual inspection of the effects...

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• Preparation and characterization of asphaltene based adsorbents for gas-solid adsorption systems

  Publikacja

  • M. Plata Gryl

  - Rok 2022

  The dissertation presents results of the experimental research on asphaltene-based adsorbents (support coated with asphaltene layer) for gas-solid adsorption systems, with special reference to volatile organic compounds (VOCs) removal from gas streams. Analysis of gas adsorption properties revealed that asphaltenes isolated from oxidized bitumen have strong affinity toward VOCs. Interactions with target gas molecules, and selectivity...

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• Inlet air fogging of marine gas turbine in power output loss compensation

  Publikacja

  • Z. Domachowski
  • M. Dzida

  - Polish Maritime Research - Rok 2015

  The use of inlet air fogging installation to boost the power for gas turbine engines is widely applied in the power generation sector. The application of fogging to mechanical drive is rarely considered in the literature [1]. This paper will cover some considerations relating to its application to gas turbines in ship drive. There is an important evaporative cooling potential throughout the world when the dynamic data is evaluated,...

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• Kamila Kokot-Kanikuła mgr

  Osoby

  Sekcja Budowy Zbiorów Cyfrowych i Multimedialnych

  Kamila Kokot-Kanikuła pracuje w Bibliotece Politechniki Gdańskiej w Sekcji Budowy Zbiorów Cyfrowych i Multimedialnych na stanowisku starszego bibliotekarza. Jest absolwentką Instytutu Historycznego oraz Informacji Naukowej i Bibliotekoznawstwa na Uniwersytecie Wrocławskim. Główne kierunki zainteresowań to starodruki, biblioteki cyfrowe, repozytoria instytucjonalne, Otwarte Zasoby Edukacyjne, Open Access i Open Data. W bibliotece...

• Domestic ORC micro-CHP combined with a commercial gas boiler

  Publikacja

  • D. Mikielewicz
  • J. Wajs
  • J. Mikielewicz
  • M. Bajor

  - Rok 2014

  The chapter presents the results of experimental studies conducted during the launch of the first in Poland demonstration prototype of the micro ORC coupled to a domestic gas boiler. The accomplished studies indicated the possibility for the ORC module to work with such boiler (autonomous source of heat) with a prototype single-stage axial micro turbine as the expansion machine. Confirmation of that fact has been delineated in...

• Special Issue on “Advanced Liquid Waste and Gas Waste Treatment Processes”

  Publikacja

  • P. Rybarczyk

  - Processes - Rok 2023

  The editorial contains a short review of the content of the Special Issue on waste gas and liquid streams treatment strategies.

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• Non-Wave Variations in Temperature Caused by Sound in a Chemically Reacting Gas

  Publikacja

  • A. Perelomova
  • W. Pelc-Garska

  - ACTA PHYSICA POLONICA A - Rok 2011

  A weakly nonlinear generation of non-acoustic modes in the field of sound in a gas is considered. An exotericchemical reaction of A->B type, which takes place in a gas, may be reversible or not. Two types of sound areconsidered, low-frequency and high-frequency as compared with the characteristic time of a chemical reaction.For both these cases, the governing equations of non-acoustic modes are derived and conclusions of the efficiencyof...

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• CuO-decorated MOF derived ZnO polyhedral nanostructures for exceptional H2S gas detection

  Publikacja

  • S. Hussain
  • J. N. Okai Amu-Darko
  • M. Wang
  • A. A. Alothman
  • M. Ouladsmane
  • S. A. Aldossari
  • M. S. Khan
  • G. Qiao
  • G. Liu

  - CHEMOSPHERE - Rok 2023

  Considering that H2S is a hazardous gas that poses a significant risk to people's lives, research into H2S gas sensors has garnered a lot of interest. This work reports a CuO/ZnO multifaceted nanostructures(NS) created by heat treating Cu2+/ZIF-8 impregnation precursors, and their microstructure and gas sensing characteristics were examined using various characterization techniques (XRD, XPS, SEM, TEM, and BET). The as-prepared...

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• Non-Linear Interaction of Harmonic Waves in a Quasi-Isentropic Flow of Magnetic Gas

  Publikacja

  • A. Perelomova

  - Archives of Acoustics - Rok 2020

  The diversity of wave modes in the magnetic gas gives rise to a wide variety of nonlinear phenomenaassociated with these modes. We focus on the planar fast and slow magnetosound waves in the geometryof a flow where the wave vector forms an arbitrary angleθwith the equilibrium straight magnetic field.Nonlinear distortions of a modulated signal in the magnetic gas are considered and compared to thatin unmagnetised gas. The case of...

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• Operational causes of fatigue failures within the passages of gas turbine engines

  Publikacja

  • Z. Korczewski

  - Polish Maritime Research - Rok 2010

  The short profile of a fatigue wear process of gas turbine engine's constructional elements has been introduced in the article. The primary causes of a fatigue cracks formation within the mechanical system as well as within the passages of the engine have been showed. Especial attention was devoted to the low-cycle fatigue, what is associated with unsteady thermal-flow processes being worked out in the passages.The selected damages...

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• Occurrence and Determination of Volatile Fatty Acids in Landfill Leachate and Gas

  Publikacja

  • M. Wasielewska
  • A. Banel
  • B. Zygmunt

  - Rok 2013

  In landfills containing biological matter volatile fatty acids (VFAs) are generated at high rate at the early stage of waste disposal and their content in leachate is high as compared to the leachate from old parts of landfill since they are converted to methane gas. Monitoring of the leachate for the content of VFAs can help determine the processes occurring in waste and possible effect of the leachate on the environment in the...

• Occurrence and Determination of Volatile Fatty Acids in Landfill Leachate and Gas

  Publikacja

  • M. Wasielewska
  • A. Banel
  • B. Zygmunt

  - Rok 2013

  In landfills containing biological matter volatile fatty acids (VFAs) are generated at high rate at the early stage of waste disposal and their content in leachate is high as compared to the leachate from old parts of landfill since they are converted to methane gas. Monitoring of the leachate for the content of VFAs can help determine the processes occurring in waste and possible effect of the leachate on the environment in the...

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• The Measurement Setup for Gas Detection by Resistance Fluctuations of Gas Sensors

  Publikacja

  • . Janusz

  - Rok 2006

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• Two-Dimensional Gas Chromatography Coupled With Mass Spectrometry in Food Analysis

  Publikacja

  • T. Dymerski

  - CRITICAL REVIEWS IN ANALYTICAL CHEMISTRY - Rok 2018

  The development of instrumental analytical techniques provided the opportunity for in-depth characterization of many food matrices. In particular, the use of gas chromatography coupled with mass spectrometry gives impressive results in terms of quality and authenticity testing, conducting food freshness evaluations and contamination assessments. A new variant of gas chromatography, namely two-dimensional gas chromatography (GC...

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• Radioisotope measurements of the liquid-gas flow in the horizontal pipeline using phase method

  Publikacja

  • R. Hanus
  • M. Zych
  • M. Jaszczur
  • L. Petryka
  • D. Świsulski

  - EPJ Web of Conferences - Rok 2018

  The paper presents application of the gamma-absorption method to a two-phase liquid-gas flow investigation in a horizontal pipeline. The water-air mixture was examined by a set of two Am-241 radioactive sources and two NaI(Tl) scintillation probes. For analysis of the electrical signals obtained from detectors the cross-spectral density function (CSDF) was applied. Results of the gas phase average velocity measurements for CSDF...

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• Degradation of protective coatings in steel chimneys of flue gas desulfurisation system

  Publikacja

  • S. Krakowiak
  • K. Darowicki

  - PROGRESS IN ORGANIC COATINGS - Rok 2018

  This paper presents problems associated with corrosion of steel stacks and changes in philosophy of corrosion protection when implemented into flue gas desulphurization systems. In-situ tests were taken by means of electrochemical impedance spectroscopy at the stack which discharges flue gas before wet lime/limestone desulphurization. A very quick electrolyte absorption by the spherical infill vinylester coating was found using...

• Negative carbon dioxide gas power plant integrated with gasification of sewage sludge

  Publikacja

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

  - ENERGY - Rok 2023

  One of the primary objectives of the negative carbon dioxide gas power plant (nCO2PP) is to develop an innovative technology confirming the possibility of the use of sewage sludge to produce electricity while having a positive impact on the environment. In this paper, a mathematical model is presented to estimate thermodynamic parameters of the system in relation to the gasification process and changes in such parameters in the...

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• Dissociative ionization dynamics of dielectric gas C3F7CN

  Publikacja

  • M. Ranković
  • J. Chalabala
  • M. Zawadzki
  • J. Kočišek
  • P. Slavíček
  • J. Fedor

  - PHYSICAL CHEMISTRY CHEMICAL PHYSICS - Rok 2019

  Fluoronitrile C3F7CN is a promising candidate for the replacement of SF6 dielectric gas in high-voltage insulation. We present a combined experimental and theoretical study on its ionization dynamics probed in the 0-100 eV energy range. We exploited the total ion collection technique to determine the absolute ionization cross section, mass spectrometry to determine the fragment branching ratios and ab initio nonadiabatic molecular...

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• CLAY MINERALS – MINERALOGY AND PHENOMENON OF CLAY SWELLING IN OIL & GAS INDUSTRY

  Publikacja

  • B. Karpiński
  • M. Szkodo

  - Advances in Materials Science - Rok 2015

  Among the minerals found in the earth's crust, clay minerals are of the widest interest. Due to the specific properties such as plasticity, absorbing and catalytic properties clay minerals are used in many industries (oil & gas, chemistry, pharmacy, refractory technology, ceramics etc.). In drilling, a phenomenon of swelling clays is frequently observed. It has an important impact on the cementing quality. During the last few decades...

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• Analysis of diagnostic informativeness of the exhaust temperature of a naval gas turbine

  Publikacja

  • Z. Korczewski

  - Rok 2011

  The conducted investigations aimed to carry out an analysis of the possibility that the failures identification in the automatic control system of a gas turbine engine could be worked out on the basis of measurements of the exhaust stream temperature behind the gas generator. The exhaust temperature represents a basic control parameter, enabling technical state evaluation of the engine within the operation process, which is observed...

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• Nitrogen dioxide gas-sensing detection with GO modified CuO thin films

  Publikacja

  • A. Szkudlarek
  • M. Kawa
  • G. Jasiński
  • P. Jasiński
  • A. Rydosz

  - Rok 2019

  Gas sensors have been continuously developed over the last few decades for several applications including air quality monitoring, automotive industry and recently for medical use. Gas sensors are usually based on metal oxides (MOXs), such as SnO2, TiO2, ZnO, WO3, CuO. Recently, new materials such as graphene oxide and heterostructures of graphene oxide and metal oxides are utilized for gassensing applications.

• WATER RESOURCES MANAGEMENT

  Czasopisma

  ISSN: 0920-4741 , eISSN: 1573-1650

• Geography and Natural Resources

  Czasopisma

  ISSN: 1875-3728 , eISSN: 1875-371X

• Conservation Genetics Resources

  Czasopisma

  ISSN: 1877-7252 , eISSN: 1877-7260

• Water Resources and Economics

  Czasopisma

  ISSN: 2212-4284

• Agriculture and Natural Resources

  Czasopisma

  eISSN: 2452-316X

• Renewable Resources Journal

  Czasopisma

  ISSN: 0738-6532

• Human Resources for Health

  Czasopisma

  ISSN: 1478-4491

• Natural Resources Research

  Czasopisma

  ISSN: 1520-7439 , eISSN: 1573-8981

• Resources, Environment and Sustainability

  Czasopisma

  eISSN: 2666-9161

• JOURNAL OF HUMAN RESOURCES

  Czasopisma

  ISSN: 0022-166X , eISSN: 1548-8004

• Carbon Resources Conversion

  Czasopisma

  ISSN: 2588-9133

• NATURAL RESOURCES FORUM

  Czasopisma

  ISSN: 0165-0203 , eISSN: 1477-8947

• Language Resources and Evaluation

  Czasopisma

  ISSN: 1574-020X , eISSN: 1574-0218

• AQUATIC LIVING RESOURCES

  Czasopisma

  ISSN: 0990-7440 , eISSN: 1765-2952

• Water Resources Protection

  Czasopisma

  ISSN: 1004-6933

• LITHOLOGY AND MINERAL RESOURCES

  Czasopisma

  ISSN: 0024-4902 , eISSN: 1608-3229

• Journal of Resources and Ecology

  Czasopisma

  ISSN: 1674-764X