Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Ljiljana T. Kostić"'
Autor:
Jelena Aleksić, Ljiljana T. Kostić
Publikováno v:
Open Physics, Vol 18, Iss 1, Pp 1025-1047 (2020)
Among the many techniques for obtaining heat and electricity, solar thermal collectors, photovoltaic (PV) technology and PV/thermal (PV/T) technology have a very important place. The PV/T collectors enable the simultaneous conversion of solar radiati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b4cd792351e6875306946fba88fb4fd7
https://doaj.org/article/50f604b181484f52b535042f0e490b6b
https://doaj.org/article/50f604b181484f52b535042f0e490b6b
Autor:
Jelena Aleksić, Ljiljana T. Kostić, Marko Bošković, Tanja Barudžija, Zoran Ristić, Miodrag Mitrić
Publikováno v:
Facta universitatis - series: Physics, Chemistry and Technology. 18:119-129
In this paper, we investigated YF3: Yb/Er, YF3: Yb/Tm, and YF3: Yb/Ho solid solutions prepared by reaction of an appropriate amount of oxides with ammonium difluoride (NH4HF2) as a fluorinating agent. These samples were characterized by Xray diffract
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::42ef020f66d862207fd222861a93f4d3
https://doi.org/10.2298/fupct2002119a
https://doi.org/10.2298/fupct2002119a
Autor:
Ljiljana T. Kostić, Tanja Barudžija, Zvonko Jagličić, Jelena Aleksić, Darja Lisjak, Dragana Jugović, Marko Bošković, Miodrag Mitrić
Publikováno v:
Journal of Physics and Chemistry of Solids
In this investigation, we have synthesized YbxY1-xF3 solid solutions by fluorination of yttrium and ytterbium sesquioxides with ammonium hydrogen difluoride. According to the XRD analysis, all synthesized YbxY1-xF3 samples have an orthorhombic crysta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::675e582f79e95422503ee41124cd48c0
https://vinar.vin.bg.ac.rs/handle/123456789/8858
https://vinar.vin.bg.ac.rs/handle/123456789/8858
Publikováno v:
IEEE Sensors Journal. 15:7105-7111
This paper discusses the application of flat panel reflectors in conjunction with photovoltaic cell used to power wireless sensor node. The aim of the reflectors is to increase the indoor ambient light energy harvesting efficiency, especially under l
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::575753998e483fa99a3749575bf27a84
https://doi.org/10.1109/jsen.2015.2470548
https://doi.org/10.1109/jsen.2015.2470548
Autor:
Ljiljana T. Kostić, Zoran T. Pavlović
Publikováno v:
Energy. 80:75-84
In this paper the impact of flat plate reflectors (bottom, top, left and right reflectors) made of Al, on total solar radiation on a solar collector during a day time over a whole year is analyzed. An analytical model for determining optimum tilt ang
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1413d67349b4132b7760d414c9ec4743
https://doi.org/10.1016/j.energy.2014.11.044
https://doi.org/10.1016/j.energy.2014.11.044
Autor:
Ljiljana T. Kostić, Zoran T. Pavlović
Publikováno v:
Energy and Buildings. 45:161-168
In this paper the results of the influence of position of the flat plate reflectors made of Al sheet on thermal efficiency of solar thermal collector with spectrally selective absorber are presented. Analytical and experimental results on determinati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c2cb462dd38b1e91b5cfb327d2e8e53b
https://doi.org/10.1016/j.enbuild.2011.10.059
https://doi.org/10.1016/j.enbuild.2011.10.059
Publikováno v:
Applied Energy. 87:410-416
In this paper the results of the influence of reflectance from flat plate solar radiation concentrators made of Al sheet and Al foil on energy efficiency of PV/Thermal collector are presented. The total reflectance from concentrators made of Al sheet
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c011569252f2f167eab31253314bb7e9
https://doi.org/10.1016/j.apenergy.2009.05.038
https://doi.org/10.1016/j.apenergy.2009.05.038
Publikováno v:
Facta universitatis-series: Physics, Chemistry and Technology (2015) 13(3):171-180
In this paper, the effect of four flat panel reflectors (bottom, top, left and right side reflectors) on the total light radiation on a small-size photovoltaic cell is analyzed. An analytical model for the determination of the optimum inclination ang
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::35ad90bbf9873f628bd19a6ea6b46070
http://scindeks.ceon.rs/article.aspx?artid=0354-46561503171K
http://scindeks.ceon.rs/article.aspx?artid=0354-46561503171K