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    Wyświetlanie 1-9 z 9
    Tytuł:
    Proposal of a Logistics Solution for an Emergency at a Nuclear Facility
    Autorzy:
    Végsöová, Oľga
    Straka, Martin
    Kyšeľa, Kamil
    Powiązania:
    https://bibliotekanauki.pl/articles/1811553.pdf
    Data publikacji:
    2020
    Wydawca:
    Politechnika Koszalińska. Wydawnictwo Uczelniane
    Tematy:
    environmental protection
    nuclear power plant
    emergency
    logistics
    evacuation
    Opis:
    This paper examines the evacuation of people in the event of an emergency caused at a nuclear facility. The study describes the emergency preparedness of the Mochovce Nuclear Power Plant. The paper describes the proposal of the logistics solution and the implementation of protective and emergency preparation, which is determined by the internal emergency plan, based on the information flow in the event of an emergency and the activities of individual emergency response units. The above results indicate that the fewer people there are in one evacuated group, the longer the evacuation time will be. However, the reason is not the length of time to get to the assembly point itself, but the number of groups that must be created and therefore the higher number of trips that firefighters have to take. The optimal way to carry out this process safely, in the shortest possible time, could be to set up more groups of escorting firefighters, who would accompany groups with smaller numbers of evacuees. Strict preparation and adherence to pre-prepared instructions, based on logistical principles in the event of an emergency at a nuclear facility, minimizes loss of life and harm to the health of persons, and also damage to property or the environment.
    Źródło:
    Rocznik Ochrona Środowiska; 2020, Tom 22, cz. 1; 156-170
    1506-218X
    Pojawia się w:
    Rocznik Ochrona Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Protecting and Securing an Environment Affected by Industrial Activity for Future Utilization
    Autorzy:
    Végsöová, Oľga
    Straka, Martin
    Rosová, Andrea
    Powiązania:
    https://bibliotekanauki.pl/articles/1811766.pdf
    Data publikacji:
    2019
    Wydawca:
    Politechnika Koszalińska. Wydawnictwo Uczelniane
    Tematy:
    safety
    environment
    protection
    risks
    principles
    Opis:
    At the present time, there are many abandoned areas and places that are affected by extraction activity, but which continue to be of importance due to valuable mineral resources. This article deals with environmental protection for their future use in terms of potential mineral resources. The area of Ruskov in Eastern Slovakia is typical with its rich deposits of andesite. Currently, there is no extraction activity at the site. The problem is related to effectively securing and protecting the environment for future use. The aim of the article is to indicate the possibilities for securing and protecting the area. The procedure can be applied universally to similar types of areas. According to the physical and chemical analysis of the water sample, the water in the quarry is of a basic high magnesium-bicarbonate type. The total mineralization 375 mg/l, pH – 8.4, content of Na – 13.4 mg/l, Ca – 41.1 mg/l, Mg – 26.2 mg/l, Fe – 0.04 mg/l, Mn – 0.012 mg/l and in the hydrogeological investigation the mineralization of precipitation water ranged from 25.8 to 48.0 mg/l, pH 6.0-6 6. From the comparison of values for inflows to the pit of the old Ruskov quarry and the values of groundwater runoff in the volcanic massif, we can state that only a part (approx. 50%) of groundwater from the volcanic massif is involved in the inflow to the quarry. The greater part of the underground runoff flows in the local sub-system to the local erosion base, which is represented by the valley of the Bystré stream, or it joins the flow of the intermediate stream (Olšava valley, erosion base). In the previous extraction activity in the Old Quarry of Ruskov, as well as after it was flooded in August 2014, no adverse effects on the flow and groundwater regime were observed in the evaluated area. Based on the previous evaluation of the hydrogeological conditions of the area, we can state that after the interruption of extraction at the Ruskov – old quarry deposit and the termination of pumping of quarry water, there is no expected adverse influence on the flow and groundwater regime in the evaluated area.
    Źródło:
    Rocznik Ochrona Środowiska; 2019, Tom 21, cz. 1; 98-111
    1506-218X
    Pojawia się w:
    Rocznik Ochrona Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Global Assessment of Industrial Expansion for Minimizing Environmental Impacts Utilizing the Principles of Mining and Logistics
    Autorzy:
    Végsöová, Oľga
    Straka, Martin
    Sulovec, Vladimír
    Powiązania:
    https://bibliotekanauki.pl/articles/1811783.pdf
    Data publikacji:
    2019
    Wydawca:
    Politechnika Koszalińska. Wydawnictwo Uczelniane
    Tematy:
    ecological aspects
    remediation-reinstating of slope
    recultivation
    emissions
    environmental impacts
    mining
    logistics
    Opis:
    This article addresses research into the effective expansion of industrial activity, taking into account environmental needs. The aim is to analyse and assess the possibilities for further development of industrial activity in a particular region of Slovakia. The objective of the geological task is to verify 5 million m3 of building stone of category Z-2. In terms of environmental requirements important factors include safety, stability, habitat, logistics and the emissions factor. In terms of further utilization, the emissions factor is particularly important. The emissions factor for drilling, loading, unloading and for aggregate moisture of 0-0.5% is 9.4 g of PM per tonne of aggregate, which for extraction of 300 000 tons per year gives an output of 2 820 kg/year and 1.41 kg/h. The emission factor for primary and secondary aggregate processing with aggregate moisture of 2-3% with application of water spray is 14.6 g of PM per ton of aggregate, giving emissions of 657 kg of PM per year and 0.3285 kg of PM per hour. For the tertiary aggregate processing, at aggregate moisture of 2-3%, the emission factor is 230.2 g of PM per tonne of aggregate, giving emissions of 690.6 kg of PM per year and 0.3453 kg of PM per hour. The total annual emissions are 4 167.6 kg of PM, i.e. 2.0838 kg/h. In order to secure the ecological stability of the land area, it is necessary to respect and protect the elements of the national network of protected areas. The solution for the Hradová quarry is located outside of protected areas. For this reason, no impact on large-scale or small-scale protected areas or protective zones is expected.
    Źródło:
    Rocznik Ochrona Środowiska; 2019, Tom 21, cz. 1; 14-28
    1506-218X
    Pojawia się w:
    Rocznik Ochrona Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Safety Assessment of a Mineworking in Order to Use Its Cultural and Educational Potential and Ensure Environmental Sustainability
    Autorzy:
    Végsöová, Oľga
    Straka, Martin
    Kyšeľa, Kamil
    Powiązania:
    https://bibliotekanauki.pl/articles/1811549.pdf
    Data publikacji:
    2020
    Wydawca:
    Politechnika Koszalińska. Wydawnictwo Uczelniane
    Tematy:
    mining
    safety
    environment
    cultural heritage
    Opis:
    This paper addresses the protection of the environment and provides a design for the use of the deposit after the cessation of mining in the Novoveská Huta region. The area of interest of this case study describes the practical transformation of a functioning mining operation into a mining museum in order to reduce the pressures on the environment after mining. The resulting model of the functioning of the mining museum also deals in detail with the safety of a mining operation which is no longer used for mining, taking into account its further use. The article describes the proposed 1700-metre route which visitors will pass along, and also gives a detailed description of the proposed measures necessary for safety and long-term sustainable operation. The aim was to design a use of the mining space, that would offer visitors the opportunity to see the handling space and mining methods of the deposit. An interesting element will also be the possibility of inspecting the explosives store, wall linings, steel and wooden reinforcements. The tour will also include a demonstration of storage facilities as well as a Karlik's wheel mining equipment with a rope loop. The open-air museum also offers the opportunity to get acquainted with transport around the entire deposit under strict safety conditions. It is assumed that devices such as a mining telephone or a siren placed on the walls of the tunnel will also arouse interest. An important element of the entire tour would also be a constant reminder of the safety rules during the tour. The impacts of this solution on the environment are very acceptable and incomparably more beneficial than in the case of the termination of mining and subsequent non-use of the Novoveská Huta deposit.
    Źródło:
    Rocznik Ochrona Środowiska; 2020, Tom 22, cz. 1; 24-39
    1506-218X
    Pojawia się w:
    Rocznik Ochrona Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Level of Risk and Decision-making in Managing Industrial Activity with the Elimination of Negative Environmental Impacts
    Autorzy:
    Végsöová, Oľga
    Straka, Martin
    Kyšeľa, Kamil
    Powiązania:
    https://bibliotekanauki.pl/articles/1811590.pdf
    Data publikacji:
    2020
    Wydawca:
    Politechnika Koszalińska. Wydawnictwo Uczelniane
    Tematy:
    risk
    danger
    threat
    risk analysis
    risk assessment
    Opis:
    This paper focuses on the assessment of the degree of risk in all phases of extraction activities in a selected quarry in the Slovak Republic. The research part of the paper assesses the degree of risk resulting from the assessment of the threat, the probability of the threat and the consequence of an adverse event in extraction activities. The paper offers an important basis for decision-making in quarry management in order to eliminate the negative consequences of andesite mining on the environment, equipment and people. The extraction activity in the Kecerovský Lipovec quarry is assessed by this paper as low risk for two phases of extraction, specifically the preparation phase, and the extraction itself. The paper also highlights the importance of taking measures. Regarding the safety criteria in the Kecerovský Lipovec quarry, it is possible, based on the results of the analysis and evaluation, to consider the quarry to be safe. However, a condition for this is the necessary expert training of workers in all activities performed while working in the quarry. Here, the need for personnel to strictly adhere to the set standards for extraction activities is of prime importance. This finding confirms the above that the aim of diagnosing and naming the potential for adverse events in the extraction process must be to minimize risks, as their absolute exclusion is not possible due to the human factor and unforeseeable circumstances.
    Źródło:
    Rocznik Ochrona Środowiska; 2020, Tom 22, cz. 1; 130-143
    1506-218X
    Pojawia się w:
    Rocznik Ochrona Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Assessment of Emergencies Threatening a Particular Region
    Autorzy:
    Végsöová, Oľga
    Straka, Martin
    Šofranko, Marian
    Powiązania:
    https://bibliotekanauki.pl/articles/1811797.pdf
    Data publikacji:
    2019
    Wydawca:
    Politechnika Koszalińska. Wydawnictwo Uczelniane
    Tematy:
    floods from precipitation
    floods from watercourses
    natural disasters
    landslides
    slope movement
    earthquakes
    volcanic eruptions
    natural fires
    Opis:
    The paper focuses on emergencies in a particular region of the Slovak Republic. The focus is mainly on describing the emergencies to which the region is most vulnerable and classifying them, as well as specific locations or businesses where there is a high risk of an emergency occurring. From the point of view of the effects of possible emergencies on the district of Bratislava, the most likely situations are natural disasters (floods from precipitation and watercourses, hailstorms, storms, landslides, ice) and accidents (fires, explosions and releases of dangerous substances). When planning rescue work, it is necessary to start from the worst-case scenario of the emergency, while the most important measure to protect the population is issuing warnings and possible evacuation. Special attention should be paid to the following measures: checking the safety measures around hydrological structures and watercourses, carrying out checks on legal entities and natural persons – entrepreneurs who manufacture, store and handle hazardous substances, preparing controlling organizations, forces and resources to carry out rescue work, preparing the population for self-protection and mutual assistance in the event of emergencies, mutual cooperation of rescue teams in preparation for emergencies, exchange of experience and knowledge with neighbouring districts.
    Źródło:
    Rocznik Ochrona Środowiska; 2019, Tom 21, cz. 1; 52-68
    1506-218X
    Pojawia się w:
    Rocznik Ochrona Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    New approach to increasing the vertical conveyance capacity through transport cycle modification
    Nowa metoda zwiększenia wydajności pracy urządzeń transportu pionowego poprzez modyfikację cyklu jazdy urządzenia
    Autorzy:
    Saderova, Janka
    Straka, Martin
    Jelisavac Erdeljan, Dragana
    Powiązania:
    https://bibliotekanauki.pl/articles/219882.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    urządzenie transportu pionowego
    urządzenie wyciągowe
    wydajność pracy
    cykl jazdy
    schemat procesu podnoszenia
    symulacja
    vertical conveyance
    hoisting machine
    capacity
    transport cycle
    travel diagram
    simulation
    Opis:
    Scientific research discussed in the present article is focused on the determination of the vertical conveyance capacity in the process of mining minerals, while applying a mathematical calculation and verification of the calculation results by simulation. Input parameters for the capacity calculation include the transport cycle time. The article presents the results of measuring a transport cycle during the operation and a calculation of the transport cycle while using known formulas. On the basis of the observed findings, two methods of increasing the hoisting machine capacity were proposed. The first method is increasing the velocity from the original value of 6 m.s–1 to the velocity of 7 m.s–1. In this case, we achieved the daily capacity increase in 2-2.5%. The second method consisted in changing the hoisting machine ac-celeration and deceleration modes by which we achieved as much as 9% increase in the daily capacity. The article also describes a transport cycle simulation model, with its output being the number of work cycles parameter. The obtained parameter was used again in the capacity calculation. The simulation model was used in experiments for both, the current status as well as proposed solutions. The simulation model serves also for calculation verification.
    Badania opisane w niniejszym artykule dotyczą określania i identyfikacji wydajności pracy instalacji transportu pionowego w ramach całościowego procesu wydobycia kopalin przy wykorzystaniu obliczeń matematycznych i weryfikacji wyników obliczeń poprzez symulacje. Wśród parametrów wejściowych wykorzystywanych do obliczeń wydajności pracy uwzględniono czas trwania cyklu jazdy urządzenia. W artykule przedstawiono wyniki pomiarów czasu cyklu jazdy dokonanych na urządzeniu rzeczywistym, zaś obliczenia dla cyklu jazdy wykonano w oparciu o ogólnie znane wzory. Na podstawie wyników pomiarów zaproponowano dwie metody zwiększania wydajności pracy urządzenia wyciągowego. Metoda pierwsza polega na zwiększaniu prędkości podnoszenia, z wartości początkowej 6 ms–1 do 7 ms–1; w rezultacie uzyskując w skali dziennej wzrost wydajności o 2-2.5%. Druga metoda polegała na zmianie wartości przyspieszenia i opóźnienia (hamowania); uzyskany w ten sposób wzrost wydajności pracy urządzenia wynosi 9%. W pracy przedstawiono także model do symulacji cyklu jazdy urządzenia wyciągowego, parametrem wyjściowym modelu była liczba cykli jazdy. Otrzymaną wartość tego parametru wykorzystano następnie do obliczeń wydajności pracy urządzenia. Model symulacyjny następnie wykorzystano do przeprowadzenia eksperymentu uwzględniającego zarówno stan obecny urządzenia wyciągowego i jego wydajność, a także proponowane rozwiązania. Powyższy model symulacyjny wykorzystany został także do weryfikacji obliczeń.
    Źródło:
    Archives of Mining Sciences; 2019, 64, 4; 709-723
    0860-7001
    Pojawia się w:
    Archives of Mining Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    State of the Art in the End-of-Life Vehicle Recycling
    Autorzy:
    Lenort, Radim
    Staš, David
    Wicher, Pavel
    Straka, Martin
    Powiązania:
    https://bibliotekanauki.pl/articles/2069903.pdf
    Data publikacji:
    2021
    Wydawca:
    Politechnika Koszalińska. Wydawnictwo Uczelniane
    Tematy:
    waste management
    reuse
    recovery
    recycling
    end-of-life vehicle
    ELV
    recycling network
    recycling system
    disassembly
    Opis:
    Growing ecological awareness in society and legal regulations aimed at reducing the negative impact of used products on the environment means that waste management begins to play a significant role in the modern world. Therefore, it is necessary to conduct research towards the organization and implementation of waste management. It has been noticed that an important link in the economy is the recycling of used products. Thus, numerous studies are undertaken in the direction of organization, improvement, automation and computerization of the product and material recycling process. The article presents the results of literature research in terms of the implementation of the end-of-life vehicle recycling process.
    Źródło:
    Rocznik Ochrona Środowiska; 2021, 23; 902--913
    1506-218X
    Pojawia się w:
    Rocznik Ochrona Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Draft JIG structure design for measuring deformation of thin-walled robotic or conveyor components
    Autorzy:
    Michalik, Peter
    Zajac, Jozef
    Straka, Ľuboslav
    Nowakowski, Lukasz
    Ambrozy, Martin
    Powiązania:
    https://bibliotekanauki.pl/articles/102263.pdf
    Data publikacji:
    2018
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    thin-walled
    robotic
    conveyor
    cienkie ściany
    robot
    transporter
    Opis:
    The paper presents the general function, the division and the description of the main jig parts. It gives account of the basics and principles of a measuring jig structure using CAD applications. The main part delves into design of individual measurement jig options for measuring deformations of thin-walled robotic and conveyor components. Tension and stress analyses for each option have been performed. Subsequent to stress analysis, a suitable option was selected, with a description of its main parts, the production process and the necessary production equipment. Finally, the jig produced for the purpose of measuring deformation of thin-walled robotic and conveyor components is presented.
    Źródło:
    Advances in Science and Technology. Research Journal; 2018, 12, 3; 55-60
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-9 z 9

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