Zobrazeno 1 - 10
of 183
pro vyhledávání: '"J. E. Wagner"'
Autor:
P. Weihs, M. Rennhofer, D. J. Baumgartner, J. Gadermaier, J. E. Wagner, J. E. Gehring, W. Laube
Publikováno v:
Atmospheric Measurement Techniques, Vol 8, Iss 3, Pp 1089-1096 (2015)
The effect of contrails on global short-wave radiation (sum of direct and downward diffuse solar radiation) and on solar energy gain was investigated. The study was performed during days with high contrail persistence and focused on situations where
Externí odkaz:
https://doaj.org/article/4b1fa5ed44c34573a4afd9dcba4839b5
Autor:
P. Weihs, J. E. Wagner, S. F. Schreier, H. E. Rieder, F. Angelini, M. Blumthaler, M. Fitzka, G. P. Gobbi, R. Kift, A. Kreuter, S. Simic, A. R. Webb
Publikováno v:
Atmospheric Chemistry and Physics, Vol 12, Iss 5, Pp 2297-2312 (2012)
The aim of this study is to investigate the influence of the spatial resolution of a digital elevation map (DEM) on the three-dimensional (3-D) radiative transfer performance for both spectral ultraviolet (UV) irradiance and actinic flux at 305 nm. M
Externí odkaz:
https://doaj.org/article/c1104420de154157a6c21b9d7338da19
Autor:
H. E. Rieder, F. Holawe, S. Simic, M. Blumthaler, J. W. Krzyścin, J. E. Wagner, A. W. Schmalwieser, P. Weihs
Publikováno v:
Atmospheric Chemistry and Physics, Vol 8, Iss 20, Pp 6309-6323 (2008)
The aim of this study is the reconstruction of past UV-doses for two stations in Austria, Hoher Sonnblick and Vienna, using a physical radiation transfer model. The method uses the modeled UV-dose under clear-sky conditions, cloud modification factor
Externí odkaz:
https://doaj.org/article/02a572b6674f4f4283a59f59006b9fb9
Autor:
P. Weihs, M. Blumthaler, H. E. Rieder, A. Kreuter, S. Simic, W. Laube, A. W. Schmalwieser, J. E. Wagner, A. Tanskanen
Publikováno v:
Atmospheric Chemistry and Physics, Vol 8, Iss 18, Pp 5615-5626 (2008)
A measurement campaign was performed in the region of Vienna and its surroundings from May to July 2007. Within the scope of this campaign erythemal UV was measured at six ground stations within a radius of 30 km. First, the homogeneity of the UV lev
Externí odkaz:
https://doaj.org/article/f3561f6da3da40e7ab2fdd4766091022
Autor:
Alexander Cede, Albin Hammerle, Christian Lamprecht, Georg Wohlfahrt, Axel Kreuter, Mathias W. Rotach, Martin Graus, Johannes Vergeiner, Michael Staudinger, Alexander Gohm, Helen C. Ward, Thomas Karl, Martin Tiefengraber, J. E. Wagner, Maren Haid
Publikováno v:
Bulletin of the American Meteorological Society. 101:492-498
Publikováno v:
Solar Energy. 117:139-152
The interest in the assessment of performance loss rate (PLR) of Photovoltaic (PV) modules and arrays has been increasing as long as the global installed power expands and ages. Reliable performance metrics, statistical methods and filtering techniqu
Autor:
Philipp Weihs, Marcus Rennhofer, J. E. Wagner, W. Laube, J. E. Gehring, Josef Gadermaier, Dietmar Baumgartner
Publikováno v:
Atmospheric Measurement Techniques, Vol 8, Iss 3, Pp 1089-1096 (2015)
The effect of contrails on global short-wave radiation (sum of direct and downward diffuse solar radiation) and on solar energy gain was investigated. The study was performed during days with high contrail persistence and focused on situations where
Autor:
Roberto Monsorno, Armin Costa, Mark Zebish, David Moser, Markus Innerebner, J. E. Wagner, Ekaterina Chuprikova
Publikováno v:
GI_Forum. 1:225-228
Solar technologies offer clean and sustainable energy production at an affordable cost. Therefore, their use is rapidly growing, and private users as well as local authorities demonstrate wide interest in identifying areas suitable for mounting solar
Autor:
J. E. Wagner, Marc Zebisch, Anke Tetzlaff, Marcello Petitta, R. Stöckli, Dino Zardi, Giorgio Belluardo, Mariapina Castelli
Publikováno v:
Remote Sensing of Environment. 152:603-613
This study evaluates the suitability of the method HelioMont, developed by MeteoSwiss, for estimating solar radiation from geostationary satellite data over the Alpine region. The algorithm accounts for the influence of topography, clouds, snow cover
Autor:
Marcello Petitta, Marc Zebisch, David Moser, Clemens Schwingshackl, Anke Tetzlaff, Giorgio Belluardo, J. E. Wagner, Mariapina Castelli
Publikováno v:
Energy Procedia, 40
European Geosciences Union General Assembly 2013, EGUDivision Energy, Resources & the Environment, ERE
European Geosciences Union General Assembly 2013, EGUDivision Energy, Resources & the Environment, ERE
Photovoltaic (PV) module temperature predictions are crucial to accurately assess the efficiency of PV installations. In this study we focus on the cooling effect of wind on PV cell temperature. We show that for most of the technologies installed at