Browsing by Subject "monitoring systems"

Now showing 1 - 6 of 6

Access status: Open Access ,
A self-excited acoustical system for stress measurment in a cement plant
(2012) Kwaśniewski, Janusz; Dominik, Ireneusz; Lalik, Krzysztof
This paper presents the application of a Self-exited Acoustical System (SAS) for monitoring stress changes in the cement plant. The change in the speed of wave propagation, which is associated with a change in the resonance frequency in the system is caused by the deformation of the examined material. The SAS system is based on this phenomenon and can be used for the indirect measurement of the stress changes in the material.
Access status: Open Access ,
Devices for measuring ventilation parameters and methane concentration as well as concept of complex monitoring of methane hazard in longwall area
(Wydawnictwa AGH, 2017) Mróz, Jerzy; Felka, Dariusz; Broja, Adam; Małachowski, Marcin
This paper discusses the issue of the methane hazard occurring in the longwall areas of hard coal deep mines along with ways of overcoming this hazard. The authors describe devices for measuring the parameters of the underground environment in the exploitation area. Then, they present the results of tests to determine the methane hazard level in the longwall area. The parameters of ventilation-, absolute-, and criteria-methane-bearing capacity are determined based on online measurements of ventilation and gas parameters. The presented results are the effects of the European project AVENTO (Advanced tools for monitoring ventilation and methane emission).
Access status: Open Access ,
Energetyka a środowisko
(Wydawnictwa AGH, 2025) Burmistrz, Piotr; Gazda-Grzywacz, Magdalena; Górecki, Jerzy; Grzywacz, Przemysław; Motak, Monika; Olkuski, Tadeusz; Samojeden, Bogdan; Jacek Sobczyk, Eugeniusz; Sobczyk, Wiktoria; Styszko, Katarzyna; Szramowiat-Sala, Katarzyna; Uchmanowicz, Dominika
The chapter presents ways of producing energy in accordance with the idea of sustainable development. The implementation of European environmental policy through a circular economy is described. The importance of access to environmental data and modern measurement techniques in quantitative and qualitative analyses was emphasised. The benefits of using classical methods and deep and reinforcement learning techniques for modelling energy processes were indicated. The use of innovative catalytic and sorptive materials for waste gas purification and carbon dioxide conversion and management is discussed. The importance of identifying and quantifying critical points along the fuel value chain is demonstrated. The importance of investment and regulatory decisions in the decarbonisation process is presented.
Access status: Open Access ,
The porential for monitoring air parameters in the determination of carbon monoxide sources in light of research projects
(Wydawnictwa AGH, 2019) Trenczek, Stanisław
First, a recapitulation is provided of monitoring systems, based on electronic solutions which ensure the reliability of the requisite speed and measurements while intrinsically safe. Subsequently, examples of measurements of the carbon monoxide concentrations emitted by different sources are presented. In the context of the different characteristics of changes in carbon monoxide concentration, the problem of the identification of carbon monoxide source generated during high energy rock burst is discussed. To alt a better understanding of the issue, the conditions of mine development work in areas threatened by bumping hazards as well as mining procedures in seams in this type of hard coal deposit, is presented. Finally, the results of comparative tests of changes in carbon monoxide concentrations and conclusions are given.
Access status: Open Access ,
Wpływ rozproszonych źródeł energii na sieć zasilającą i jakość dostawy energii elektrycznej
(Wydawnictwa AGH, 2025) Azebaze Mboving, Chamberlin Stephane; Barczentewicz, Szymon; Chmielowiec, Krzysztof; Dutka, Mateusz; Firlit, Andrzej; Hanzelka, Zbigniew; Klempka, Ryszard; Siostrzonek, Tomasz
This paper presents contemporary trends and challenges around power quality in the context of the development of “intel¬ligent” power systems (smart grids) and distributed generation. The authors of the paper, who are members of the Electric Power Quality and Utilization Team of AGH University, share their experience from participation in scientific research, experimental development, and educational activities conducted through national and international projects. They were related to the cooperation with power compa¬nies and utilities (transmission (TSO) and distribution (DSO) system operators), industry, and institutions operating for the energy mar¬ket. Some selected research topics are briefly presented.
Access status: Open Access ,
Współczesne trendy i wyzwania w dziedzinie jakości dostawy energii elektrycznej – wybrane prace badawcze, eksperymentalno-rozwojowe oraz dydaktyczne Zespołu Jakości Energii Elektrycznej
(Wydawnictwa AGH, 2023) Firlit, Andrzej; Hanzelka, Zbigniew; Piątek, Krzysztof; Chmielowiec, Krzysztof; Barczentewicz, Szymon; Dutka, Mateusz Marcin; Siostrzonek, Tomasz; Klempka, Ryszard; Azebaze Mboving, Chamberlin Stéphane; Skomudek, Waldemar
W artykule podjęto próbę przedstawienia współczesnych trendów i wyzwań w obszarze jakości dostawy energii elektrycznej w kontekście rozwoju inteligentnych systemów elektroenergetycznych oraz energetyki rozproszonej. Tematyka ta jest bardzo szeroka i wieloaspektowa, szczególnie ze względu na transformację energetyczną, w której uczestniczymy. Autorzy artykułu, członkowie Zespołu Jakości Energii Elektrycznej AGH, brali udział w realizacji wielu prac naukowo-badawczych, eksperymentalno-rozwojowych, dydaktycznych w ramach krajowych i międzynarodowych projektów. Związane one były ze współpracą z energetyką zawodową (OSD, OSP), przemysłem oraz instytucjami działającymi na rzecz rynku energii. Przedstawiono skrótowo przykładowe, wybrane zagadnienia.