Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Dzianik František"'
Autor:
Sluková Melissa, Dzianik František
Publikováno v:
Journal of Mechanical Engineering, Vol 73, Iss 2, Pp 151-162 (2023)
Composting is one of the efficient and effective methods of disposal and recovery of biodegradable waste. A favorable and intensified course of the composting process can be achieved by optimal composition of the composted material (moisture, content
Externí odkaz:
https://doaj.org/article/54defb1e70074f04832d00c6baffb2f1
Autor:
Dzianik František, Gužela Štefan
Publikováno v:
Journal of Mechanical Engineering, Vol 73, Iss 1, Pp 43-54 (2023)
Technological parameters of the activation process in wastewater treatment plant activation systems are analyzed for basic bioreactor configurations, for the chemostat and for the plug flow, both with the recirculation of concentrated activated sludg
Externí odkaz:
https://doaj.org/article/28e9c2635b3046e7a74ac2e3caa38a0a
Autor:
Gužela Štefan, Dzianik František
Publikováno v:
Journal of Mechanical Engineering, Vol 72, Iss 2, Pp 73-80 (2022)
When performing calculations of any technological equipment or processes, one works with different types of equations. Equations can be written in various forms, while in the older literature one can also encounter equations that are dimensionally no
Externí odkaz:
https://doaj.org/article/09669d3159fb49f69dcde2ebee8da222
Autor:
Gužela Štefan, Dzianik František
Publikováno v:
Journal of Mechanical Engineering, Vol 72, Iss 1, Pp 55-68 (2022)
Various factors affect the processes that take place in the devices. Knowledge of these factors is important, especially for technical practice. If these were omitted in the design of the device, the expected changes in the properties of the substanc
Externí odkaz:
https://doaj.org/article/6deaf37b2a124b0082afe43612ac1e22
Publikováno v:
Journal of Mechanical Engineering, Vol 69, Iss 1, Pp 39-50 (2019)
The paper presents a comparison of the process properties of two types of the heat exchangers designed for the heat removal from a high temperature helium cooling loop with steady natural circulation of helium. The first considered heat exchanger is
Externí odkaz:
https://doaj.org/article/687d2ab7c16847ee8a606df6b95f82f0
Autor:
Gužela Štefan, Dzianik František
Publikováno v:
Journal of Mechanical Engineering, Vol 68, Iss 3, Pp 249-260 (2018)
There are the various types of heat exchangers. The selection of the heat exchanger right type is the first basic assumption for its optimal operation. The heat exchanger calculation itself is another prerequisite for its optimal operation. This arti
Externí odkaz:
https://doaj.org/article/54a9c3fd2fd9447bbfe5da4883999f93
Publikováno v:
Journal of Mechanical Engineering, Vol 68, Iss 1, Pp 1-10 (2018)
The paper deals with the process properties in terms of the heat transfer, i.e. the thermal performance of the thermal-process units within a helium loop intended for the testing of the decay heat removal (DHR) from the model of the gas-cooled fast r
Externí odkaz:
https://doaj.org/article/d503282198ba4f2292ed70738056597e
Publikováno v:
Journal of Mechanical Engineering, Vol 67, Iss 2, Pp 13-24 (2017)
Nowadays, the operating nuclear reactors are able to utilise only 1 % of mined out uranium. An effective exploitation of uranium, even 60 %, is possible to achieve in so-called fast reactors. These reactors commercial operation is expected after the
Externí odkaz:
https://doaj.org/article/744afd63ad054964b7c344a219479fcd
Autor:
Dzianik František, Gužela Štefan
Publikováno v:
Journal of Mechanical Engineering, Vol 67, Iss 1, Pp 29-36 (2017)
The paper deals with the hydrodynamic properties, i.e. the consumption of mechanical energy expressed by pressure drops within a helium loop intended for the testing of decay heat removal (DHR) from the model of a gas-cooled fast reactor (GFR). The s
Externí odkaz:
https://doaj.org/article/8311b3cdc70f469e962c587b7449a4ad
Autor:
Gužela Štefan, Dzianik František
Publikováno v:
Journal of Mechanical Engineering, Vol 71, Iss 2, Pp 109-120 (2021)
A number of industrial operations are linked to mass transfer. The mass transfer coefficient value is necessary to know when designing the industrial equipment in which mass transfer occurs. There are various mass transfer coefficients, as well as eq
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b40eb0e29549e93005e33779064def07
https://doaj.org/article/698d3afaec4046d1b3d2ada7638e7523
https://doaj.org/article/698d3afaec4046d1b3d2ada7638e7523