Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Jiří HEJČÍK"'
Publikováno v:
Energies, Vol 11, Iss 4, p 912 (2018)
A study into the performance of a solar chimney and a solar photovoltaic (PV)-powered fan for ventilation applications was carried out using numerical simulations. The performance of the solar chimney was compared with that of a direct current (DC) f
Externí odkaz:
https://doaj.org/article/942d954794ec4f4480ba45be1f09bfee
Autor:
Jiří HEJČÍK, Miroslav JÍCHA
Publikováno v:
Transactions of the VŠB-Technical University of Ostrava, Mechanical Series, Vol 56, Iss 3 (2010)
The paper deals with the use of 1D simulation tool AMESim to predict the steady state temperatures of a high-voltage electrical cables which are installed inside a cable channel.
Externí odkaz:
https://doaj.org/article/bf1c2c0d5d5a4e85b9d84e3b54fdbcab
Publikováno v:
EPJ Web of Conferences. 2022, vol. 264, issue 1, p. 40-43.
In certain applications where temperature changes rapidly, e.g., compressor cylinder or explosion chamber, it is necessary to obtain temperature data with a sample rate high enough to register the change, i.e., the temperature probe response time mus
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c3383fa7401157d73b58922315d4a5f9
https://hdl.handle.net/11012/208172
https://hdl.handle.net/11012/208172
Publikováno v:
Renewable Energy. 143:731-740
The influence of latent heat thermal energy storage integrated with the solar absorber plate was investigated through lab experiments and computer simulations. Two experimental solar air collectors were built. One collector had the solar absorber pla
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e4accd1a90e22abf3c3b2284093b3def
https://doi.org/10.1016/j.renene.2019.05.049
https://doi.org/10.1016/j.renene.2019.05.049
Publikováno v:
Applied Thermal Engineering. 103:607-615
One of the main factors affecting the efficiency of reciprocating compressor is heat transfer inside the cylinder. An analysis of heat transfer could be done using numerical models or integral correlations developed mainly from approaches used in com
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0ebcebe472c9fa68b09b3d5b7938b61e
https://doi.org/10.1016/j.applthermaleng.2016.04.120
https://doi.org/10.1016/j.applthermaleng.2016.04.120
Publikováno v:
ENERGIES. 2018, vol. 11, issue 4, p. 912:1-15.
Energies, Vol 11, Iss 4, p 912 (2018)
Energies; Volume 11; Issue 4; Pages: 912
Energies, Vol 11, Iss 4, p 912 (2018)
Energies; Volume 11; Issue 4; Pages: 912
A study into the performance of a solar chimney and a solar photovoltaic (PV)-powered fan for ventilation applications was carried out using numerical simulations. The performance of the solar chimney was compared with that of a direct current (DC) f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::423b900b15519462ac7f93588024fb1c
https://hdl.handle.net/11012/179565
https://hdl.handle.net/11012/179565
Publikováno v:
EPJ Web of Conferences. 2017, vol. 143, issue 02133, p. 1-4.
EPJ Web of Conferences, Vol 143, p 02133 (2017)
EPJ Web of Conferences, Vol 143, p 02133 (2017)
Development process of reciprocating compressors can be simplified by using simulation tools. Modelling of a compressor requires a trade-off between computational effort and accuracy of desired results. This paper presents experimental validation of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::249436bced9334f989667c67b45eb8ba
https://hdl.handle.net/11012/70116
https://hdl.handle.net/11012/70116
Publikováno v:
IOP Conference Series: Materials Science and Engineering. 2015, vol. vol 90, issue 1, p. 1-10.
Efficiency of reciprocating compressor is strongly dependent on several parameters. The most important are valve behaviour and heat transfer. Valves affect the flow through the suction and discharge line. Heat flow from the walls to working fluid inc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5cd1f48a73f5402b2ba805d1844ee707
https://hdl.handle.net/11012/70013
https://hdl.handle.net/11012/70013
Publikováno v:
EPJ Web of Conferences. 2013, vol. 45, issue 1, p. 1-4.
EPJ Web of Conferences, Vol 45, p 01127 (2013)
EPJ Web of Conferences, Vol 45, p 01127 (2013)
The paper deals with experimental investigations of the performance of a solar air collector with latent heat thermal storage integrated with the solar absorber. The main purpose of heat storage in solar thermal systems is to store heat when the supp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d172925ec5e54d4f44271baf5df45c6c
https://hdl.handle.net/11012/193657
https://hdl.handle.net/11012/193657
Publikováno v:
Journal of Theoretical and Applied Mechanics. :1285
The paper presents a theoretical parametric study into latent heat thermal energy storage (LHTES) employing polymeric hollow fibres embedded in a phase change material (PCM). The polymeric hollow fibres of five inner diameters between 0.5mm and 1.5mm
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3aeddb8d1cf52ecde53657962965824b
https://doi.org/10.15632/jtam-pl.54.4.1285
https://doi.org/10.15632/jtam-pl.54.4.1285