Results 21 to 30 of about 2,718,616 (303)

Improved equivalent circuit and analytical model for amorphous silicon solar cells and modules [PDF]

, 1998
An improved equivalent circuit for hydrogenated amorphous silicon (a-Si:H) solar cells and modules is presented. It is based on the classic combination of a diode with an exponential current-voltage characteristic, of a photocurrent source plus a new ...
Platz, R., Merten, J., Shah, A., Shah, A. V., Andreu i Batallé, Jordi, Asensi, J. M., Asensi López, José Miguel, Merten, Jens, Andreu, J., Voz, C., Voz Sánchez, Cristóbal   +10 more
core   +2 more sources

Siberian Radioheliograph: first results

Solar-Terrestrial Physics, 2017
Regular observations of active processes in the solar atmosphere have been started using the first stage of the multiwave Siberian Radioheliograph (SRH), a T-shaped 48-antenna array with a 4–8 GHz operating frequency range and a 10 MHz instantaneous ...
Lesovoi S.V., Altyntsev А.Т., Kochanov A.A., Grechnev V.V., Gubin А.V., Zhdanov D.A., Ivanov E.F., Uralov A.M., Kashapova L.K., Kuznetsov А.А., Meshalkina N.S., Sych R.A.   +11 more
doaj   +1 more source

Characterising dye-sensitised solar cells [PDF]

, 2009
In today’s society there is a vast and in many cases not fully appreciated dependence on electrical power for everyday life. Furthermore, with growing energy and environmental concerns arising due to fossil fuel depletion and climate change/global ...
Zerulla, Dominic, Laura L. Tobin, Tobin, Laura L., O\u27Reilly, Thomas, Dominic Zerulla, John T. Sheridan, Thomas O’Reilly, O'Reilly, Thomas, Thomas O'Reilly, Sheridan, John T.   +9 more
core   +1 more source

Chromospheric telescope of Baikal Astrophysical Observatory. New light

Solar-Terrestrial Physics, 2016
A chromospheric telescope is an important instrument for synoptic observations and solar research. After several decades of observations with the chromospheric telescope at the Baikal Astrophysical Observatory, a need arose to improve the characteristics
Skomorovsky V.I., Kushtal G.I., Lopteva L.S., Proshin V.A., Trifonov V.D., Chuprakov S.A., Chuprakov S.A.   +6 more
doaj   +1 more source

Chromospheric K CaII telescope of Baikal Astrophysical Observatory. New light

Solar-Terrestrial Physics, 2019
In recent years, most results of CaII studies of the solar chromosphere in H and K lines have been based on observations with narrow passband filters.
Lopteva L.S., Kushtal G.I., Proshin V.A., Skomorovsky V.I., Firstov S.V., Khimich V.A., Chuprakov S.A.   +6 more
doaj   +1 more source

Scientific goals of optical instruments of the National Heliogeophysical Complex

Solar-Terrestrial Physics, 2020
Studies of the upper atmosphere have to be performed using optical photometric and spectrometric means. Modern devices allow precise photometry of the glow of the night atmosphere — airglow — with high temporal spatial and spectral resolution.
Vasilyev R.V., Artamonov M.F., Beletsky A.B., Zorkaltseva O.S., Komarova E.S., Medvedeva I.V., Mikhalev A.V., Podlesny S.V., Ratovsky K.G., Syrenova T.E., Tashchilin M.A., Tkachev I.D.   +11 more
doaj   +1 more source

Solar flux emergence : a three-dimensional numerical study [PDF]

, 2008
Flux is continually emerging on the Sun, making its way from the solar interior up into the atmosphere. Emergence occurs on small-scales in the quiet Sun where magnetic fragments emerge, interact and cancel and on large-scales in active regions where ...
Murray, Michelle J.
core   +2 more sources

Solar physics with LISA

Classical and Quantum Gravity, 2005
Galactic cosmic rays and solar energetic particles (SEPs) with energies larger than 100 MeV/n are able to penetrate and charge the test masses of the LISA experiment. As this process constitutes one of the major sources of noise for the experiment, a small telescope of silicon detectors will be located on board the LISA PathFinder and, possibly, the ...
C. Grimani, VOCCA, Helios
openaire   +3 more sources

Registering upper atmosphere parameters in East Siberia with Fabry–Perot Interferometer KEO Scientific “Arinae”

Solar-Terrestrial Physics, 2017
We describe the Fabry—Perot interfero-meter designed to study Earth’s upper atmosphere. We propose a modification of the existing data processing method for determining the Doppler shift and Doppler widening and also for separating the observed line ...
Vasilyev R.V., Artamonov M.F., Beletsky A.B., Zherebtsov G.A., Medvedeva I.V., Mikhalev A.V., Syrenova T.E.   +6 more
doaj   +1 more source

Project of the Large Solar Telescope with mirror 3 m in diameter

Solar-Terrestrial Physics, 2020
One of the most important problems of modern solar physics is the observation of the small-scale structure of the solar atmosphere at various heights (including the chromosphere and corona) in different spectral lines.
Grigoryev V.M., Demidov M.L., Kolobov D.Yu., Pulyaev V.A., Skomorovsky V.I., Chuprakov S.A.   +5 more
doaj   +1 more source