Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Ján Kizek"'
Publikováno v:
Computation, Vol 11, Iss 7, p 144 (2023)
Modern heating furnaces use combined modes of heating the charge. At high heating temperatures, more radiation heating is used; at lower temperatures, more convection heating is used. In large heating furnaces, such as pusher furnaces, it is necessar
Externí odkaz:
https://doaj.org/article/108b25c1b71645f8be3279cc1c925335
Publikováno v:
Energies, Vol 16, Iss 13, p 4937 (2023)
The authors of the study focused on the problem of hydrogasifying coal extracted from a particular location. Since hydrogen is transparent to radiation, it can only be heated by convection. To achieve this, we developed a swirler and utilized Fluent
Externí odkaz:
https://doaj.org/article/0633ed3fc7384d7ca8d9631d83f50e41
Publikováno v:
Applied Sciences, Vol 9, Iss 8, p 1614 (2019)
The paper presents the results of the optimisation of burner nozzle diameters during the combustion of natural gas under the conditions of increasing oxygen concentrations in the oxidizer in aluminium melting processes in drum rotary furnaces. The op
Externí odkaz:
https://doaj.org/article/45dcd2f657cf457b951e6bf3bac35d99
Publikováno v:
Energies; Volume 16; Issue 13; Pages: 4937
The authors of the study focused on the problem of hydrogasifying coal extracted from a particular location. Since hydrogen is transparent to radiation, it can only be heated by convection. To achieve this, we developed a swirler and utilized Fluent
Publikováno v:
International Journal of Environmental Research and Public Health
Volume 18
Issue 19
International Journal of Environmental Research and Public Health, Vol 18, Iss 10370, p 10370 (2021)
Volume 18
Issue 19
International Journal of Environmental Research and Public Health, Vol 18, Iss 10370, p 10370 (2021)
Oxygen production in cryogenic air separation units is related to a significant carbon footprint and its supply in the medicinal sphere became critical during the recent COVID-19 crisis. An improved unit design was proposed, utilizing a part of waste
Publikováno v:
Civil and Environmental Engineering Reports, Vol 29, Iss 3, Pp 153-163 (2019)
The paper deals with the study of the influence of various factors, which have an impact on emissions such as NOx, CO, which have been verified by measurements. Biomass in the form of wood chips as fuel of different moisture content from 9% to 25% ha
Autor:
Elena Belyanovskaya, Ján Kizek, Grigoriy N. Pustovoy, Kostyntyn M. Sukhyy, Oleksandr Yeromin, Ladislav Lukáč, Yana O. Sergiyenko, Mikhailo V. Gubinskyi, Elena M. Prokopenko
Publikováno v:
Civil and Environmental Engineering Reports, Vol 29, Iss 3, Pp 200-208 (2019)
The operation processes of adsorptive solar refrigerators based on composite adsorbents ‘silica gel - sodium sulphate’ were studied. The correlation between the adsorbent composition and the coefficient of the energy performance of the device was
Autor:
Ingrida Skalíková, Ján Kizek, Miroslav Variny, Róbert Súth, Otto Mierka, Peter Sámel, Karol Nagy
Publikováno v:
Civil and Environmental Engineering Reports, Vol 29, Iss 1, Pp 102-118 (2019)
A study on natural gas saving and emissions decrease in the public health care sector is presented. The analyzed hospital complex belongs to the largest ones in Slovakia and uses both hot water and water steam for heating purposes. Visual steam syste
Autor:
Ján Janošovský, Augustin Varga, Ján Kizek, Miroslav Rimár, Ladislav Lukáč, Miroslav Variny, Gustáv Jablonský, Otto Mierka
Publikováno v:
Processes, Vol 9, Iss 100, p 100 (2021)
Co-combustion of biomass-based fuels and fossil fuels in power plant boilers, utility boilers, and process furnaces is a widely acknowledged means of efficient heat and power production, offering higher power production than comparable systems with s
Autor:
Marcel Pástor, Róbert Dzurňák, Miroslav Variny, Augustin Varga, Ján Kizek, Gustáv Jablonský, Réne Atyafi, Ladislav Lukáč
Publikováno v:
Processes
Volume 8
Issue 10
Processes, Vol 8, Iss 1292, p 1292 (2020)
Volume 8
Issue 10
Processes, Vol 8, Iss 1292, p 1292 (2020)
Air infiltration into the combustion chambers of industrial furnaces is an unwanted phenomenon causing loss of thermal efficiency, fuel consumption increase, and the subsequent increase in operating costs. In this study, a novel design for a rotary t