Zobrazeno 1 - 10
of 55
pro vyhledávání: '"Marcel Fedak"'
Autor:
Dmytro Shmyhol, Miroslav Rimár, Marcel Fedak, Tibor Krenický, Martin Lopušniak, Nikolas Polivka
Publikováno v:
Applied Sciences, Vol 14, Iss 9, p 3732 (2024)
In recent years, extensive research has been dedicated to enhancing energy efficiency and promoting environmental sustainability in heating and cooling systems. Among the promising solutions, phase change materials (PCM) technology stands out as a ke
Externí odkaz:
https://doaj.org/article/db3e4592bb29443180e2abd3dbce5fa8
Autor:
Miroslav Rimar, Oleksandr Yeromin, Grigoriy Larionov, Andrii Kulikov, Marcel Fedak, Tibor Krenicky, Olena Gupalo, Yana Myanovskaya
Publikováno v:
Applied Sciences, Vol 12, Iss 23, p 11948 (2022)
The behavior of the processes taking place in furnaces determines the efficiency of fuel chemical energy utilization, the quality of the final products and the environmental safety of the production. Mathematical models of the processes of gas dynami
Externí odkaz:
https://doaj.org/article/18ce31ae53e04225b5f5a7cd637719d3
Publikováno v:
Energies, Vol 15, Iss 18, p 6586 (2022)
Thermal solar systems are currently one of the most suitable ways to convert solar radiation into usable energy. To ensure maximum energy gain, it is necessary to correctly adjust the direction of the collectors in the southern direction. The deviati
Externí odkaz:
https://doaj.org/article/ef29ce03b38b4eb29aa7b1ee15e1c156
Autor:
Miroslav Rimar, Marcel Fedak, Ivan Corny, Andrii Kulikov, Stefan Kuna, Olha Kulikova, Jakub Vahovsky
Publikováno v:
Advances in Mechanical Engineering, Vol 11 (2019)
The aim of the article is to analyze the properties of artificial muscle system and effectiveness evaluation of the application of pulse width modulation in terms of improving the dynamic properties. In terms of dynamic properties, pneumatic artifici
Externí odkaz:
https://doaj.org/article/9a1cc261de3d47679db2234c69d2b772
Publikováno v:
Advances in Materials Science and Engineering, Vol 2017 (2017)
The paper describes a set of experimental measurements carried out on the experimental equipment with a drive based on pneumatic artificial muscles. Based on the analysis of the PAMS control systems issue in relation to the issue of a position contro
Externí odkaz:
https://doaj.org/article/c165706f2e38483d9728c0f5d93080f5
Publikováno v:
International Journal of Photoenergy, Vol 2015 (2015)
The presented paper deals with the issue of the efficient use of solar energy potential gained from thermal panels via tracking the Sun’s trajectory. Based on long-term measurements of the selected parameters, the efficiency of the installed system
Externí odkaz:
https://doaj.org/article/c539ffaec9ee465a98c0bc5667f5ef3b
Publikováno v:
Advances in Mechanical Engineering, Vol 6 (2014)
The presented paper deals with the design of a mathematical model of a rejection filter for the drives stabilization applied to pressure die casting processes. The rejection filter allows the stabilization of electrohydraulic servo drives making use
Externí odkaz:
https://doaj.org/article/a9dc9853d21c462ba5cd0c2dcc9823e1
Publikováno v:
Advances in Materials Science and Engineering, Vol 2013 (2013)
Externí odkaz:
https://doaj.org/article/8b79f394519f4e0e99147871676335b9
Publikováno v:
MM Science Journal. 2022:5901-5904
Sustainable development requires the research on new energy sources that will be safe and at the same time help to solve other societal problems. The paper is focusing on the analysing the heavy metals concentration of biomass and fuel mixtures of bi
Publikováno v:
MM Science Journal. 2022:5931-5936
The application of cooling systems is a relatively efficient way to ensure the required thermal comfort conditions. One option is the application of cooled ceilings, where the heat load is removed using a ceiling structure with integrated cooling pan