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    Wyświetlanie 1-5 z 5
    Tytuł:
    Using GIS and SDSS Tools in the Design of a Photovoltaic System for a Built-up Roof
    Autorzy:
    Davybida, Lidiia
    Wyczałek, Ireneusz
    Plichta, Artur
    Powiązania:
    https://bibliotekanauki.pl/articles/2174644.pdf
    Data publikacji:
    2022
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    solar irradiance
    historic building
    shadow effect
    obstructions
    geospatial assessment
    roof-top photovoltaic system
    Opis:
    The design and installation of solar panels on the roofs of urban buildings often require consideration of the specific spatial conditions that affect their efficiency. The primary purpose of this work is to develop a procedure for designing and optimizing photovoltaic installations using geomatics methods and specific tools of GIS and CAD systems. The roof of the historic building A2, which is a part of the Poznań University of Technology campus, was selected as the tested object. Solar radiation modelling and determination of suitability zones were performed using SEBE (Solar Energy on Building Envelopes) in QGIS. Possible options for the placement of photovoltaic modules on the roof were simulated with CAD technique in the web-based HelioScope software. The results of the simulation show that the current roof area can generate electrical power of 99.9 MWh/year. The proposed methodology is universal for photovoltaic installations on built-up roofs and can be applied to other buildings and, consequently, the results obtained can be used to improve the content of the solar data urban geoportal.
    Źródło:
    Geomatics and Environmental Engineering; 2022, 16, 4; 31--58
    1898-1135
    Pojawia się w:
    Geomatics and Environmental Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analiza regionalnego potencjału energii promieniowania słonecznego
    Analysis of the regional energy potential of solar radiation
    Autorzy:
    Rudniak, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/297566.pdf
    Data publikacji:
    2017
    Wydawca:
    Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
    Tematy:
    solar radiation
    potential of solar energy
    solar irradiance
    insolation
    sun hours
    Silesian voivodeship
    promieniowanie słoneczne
    potencjał energii słonecznej
    natężenie promieniowania słonecznego
    nasłonecznienie
    usłonecznienie
    województwo śląskie
    Opis:
    Rational energy management, to meet the daily needs of consumers, should take into account many aspects of environmental protection. It is also important to use renewable energy sources and increasing their role in obtaining heat and power systems autonomous or cooperating with other sources. A key role in this area plays a proper determination of the resources of individual sources, among them especially the potential of solar radiation, characterized by the availability at a specific location of solar energy for possible use. It is obvious a large discrepancy of availability of this source relative to the energy demand during the day as well as at particular seasons. The potential of solar energy, for a given region, depends on its specific geographical location, as well as on air pollution or local cloudy conditions. Unfortunately, the measurements of individual local solar radiation resources are not so often realized. Therefore useful data are compiled by qualified institutions such as Institute of Meteorology and Water Management (IMGW-PIB), obtained from the long-term bases and measurements of various factors describing the local climate. The article presents an analysis of the structure of the resources of solar radiation in the Silesian voivodeship, for a few selected locations, including Częstochowa, with particular emphasis on data from the typical meteorological years, statistical climate data, and others. Analyzed values of the parameters characterizing the potential yields of solar energy for various positioning devices, as well as the impact of local factors on the energy resource possible to obtain locally. In the evaluation of distributions for solar radiation sums for the region of Silesian voivodeship in selected locations, as well as the sun hours, it was found that solar conditions are here satisfactory. However, even with very accurate determination of the local potential of solar energy, should also be considered its high irregularity and lack of reproducibility, due to weather conditions, climate, locally emitted pollution into the atmosphere or flowed from adjacent areas. Proper assessment of the potential of solar energy for the specific location is an important factor determining the potential development of solar energy in Silesian voivodeship. It is important to improve the quality of atmospheric air as an element of the environment, and its protection can simultaneously increase the availability of solar radiation potential locally and throughout the region. This will increase opportunities for realization of low-power systems with photovoltaic cells or the installation of solar collectors.
    Racjonalne gospodarowanie energią, respektujące ochronę środowiska naturalnego, powinno uwzględniać także właściwe określanie zasobów różnych źródeł, w tym szczególnie odnawialnych źródeł energii. W artykule przedstawiono analizę struktury zasobów promieniowania słonecznego w województwie śląskim dla kilku wybranych lokalizacji, w tym Częstochowy, z uwzględnieniem danych z typowych lat meteorologicznych, statystycznych danych klimatycznych i in. Przeanalizowano wartości parametrów charakteryzujących potencjalne uzyski energii promieniowania słonecznego dla różnego usytuowania urządzeń, jak również wpływ czynników miejscowych na zasób energii możliwej lokalnie do pozyskania. Oceniając rozkłady sum natężenia promieniowania słonecznego oraz wartości usłonecznienia dla regionu województwa śląskiego w wybranych miejscowościach, stwierdzono, że panujące tu warunki słoneczne są zadowalające z punktu widzenia możliwości ich zagospodarowania Jednak, nawet przy bardzo dokładnym określeniu miejscowego potencjału energii promieniowania słonecznego, należy brać pod uwagę jego dużą nieregularność oraz brak powtarzalności, spowodowane warunkami meteorologicznymi, klimatycznymi, jak również zanieczyszczeniami lokalnie emitowanymi do atmosfery bądź napływającymi z przyległych terenów. Właściwa ocena potencjału energii promieniowania słonecznego dla określonych lokalizacji stanowi istotny czynnik warunkujący ewentualny rozwój energetyki słonecznej w województwie śląskim. Niezmiernie ważna poprawa jakości powietrza atmosferycznego, jako elementu środowiska naturalnego, oraz jego ochrona skutkować może równocześnie wzrostem dostępności potencjału energii promieniowania słonecznego lokalnie, jak też w całym regionie. Pozwolić to może na zintensyfikowanie realizacji np. układów małej mocy z ogniwami fotowoltaicznymi lub też instalacji z kolektorami słonecznymi.
    Źródło:
    Inżynieria i Ochrona Środowiska; 2017, 20, 3; 371-386
    1505-3695
    2391-7253
    Pojawia się w:
    Inżynieria i Ochrona Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Partitioning of solar radiation in Arctic sea ice during melt season
    Autorzy:
    Lu, P.
    Cheng, B.
    Lepparanta, M.
    Li, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/48057.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    solar radiation
    partitioning
    Arctic Sea
    sea ice
    melt season
    solar energy
    energy absorption
    mass balance
    spectral irradiance
    numerical modelling
    Źródło:
    Oceanologia; 2018, 60, 4
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Solar radiation in the Baltic Sea
    Autorzy:
    Dera, J.
    Wozniak, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/48691.pdf
    Data publikacji:
    2010
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    Baltic Sea
    chlorophyll a
    eutrophic area
    evaporation
    marine environment
    natural irradiance
    photochemical process
    photosynthesis
    short-term fluctuation
    solar radiation
    stratification
    underwater irradiance
    vertical distribution
    Opis:
    The influx of solar radiation to the Baltic Sea and its penetration into its waters is described on the basis of selected results of optical and bio-optical studies in the Baltic published by various authors during the past ca 50 years. The variability in the natural irradiance of this sea is illustrated on time scales from short-term fluctuations occurring during a single day to differences in mean monthly values over a period of many years. Data on variability of the proportions between UV, VIS and IR energy in the light reaching the sea surface are also discussed. Long-term monthly mean values of the incident solar radiation flux at the surface of the Baltic Proper are given; they were obtained from meteorological and solar radiation measurements and model approximations. The transmittances of these mean monthly radiation fluxes across the surface of the Baltic are given, as are the typical energy and spectral characteristics of the underwater irradiance, its attenuation with depth in the sea and the associated euphotic zone depths, as well as typical ranges of variability of these characteristics in different Baltic basins. Some of these characteristics are illustrated by typical empirical data. These mean values are not fully representative, however, because with the sole use of classical in situ measurement methods from on board research vessels in the Baltic, it has not been possible to gather a sufficiently representative set of empirical data that would adequately reflect the variability of the optical haracteristics of all the basins of this sea. The article goes on to introduce the statistical model of vertical distributions of chlorophyll a concentration in the Baltic and the bio-otical model of Baltic Case 2 waters, the use of which contribute very significantly to this description of the optical characteristics and will enable this data set to be hugely expanded to include all the Baltic basins. This opportunity is presented by the optical parameterization of Baltic Case 2 waters, i.e. by the mathematical formulas of the model linking the coefficient of attenuation of downward irradiance with the surface chlorophyll a concentration, as well as the method developed for the efficient and systematic satellite remote sensing of the chlorophyll a concentration over the entire Baltic Sea area.
    Źródło:
    Oceanologia; 2010, 52, 4
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    SatBaltyk – A Baltic environmental satellite remote sensing system – an ongoing project in Poland. Part 2: Practical applicability and preliminary results
    Autorzy:
    Wozniak, B.
    Bradtke, K.
    Darecki, M.
    Dera, J.
    Dudzinska-Nowak, J.
    Dzierzbicka-Glowacka, L.
    Ficek, D.
    Furmanczyk, K.
    Kowalewski, M.
    Krezel, A.
    Majchrowski, R.
    Ostrowska, M.
    Paszkuta, M.
    Ston-Egiert, J.
    Stramska, M.
    Zapadka, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/48019.pdf
    Data publikacji:
    2011
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    Baltic ecosystem
    Baltic Sea
    energy influx
    irradiance condition
    marine optics
    photosynthesis
    plant community
    Polska
    practical application
    preliminary result
    radiation balance
    remote sensing
    SatBaltyk project
    satellite monitoring
    sea surface
    solar energy
    Opis:
    This paper is the second part of the description of the first stage of the SatBałtyk project’s implementation. Part 1 (Woźniak et al. 2011, in this issue) presents the assumptions and objectives of SatBałtyk and describes the most important stages in the history of our research, which is the foundation of this project. It also discusses the operation and general structure of the SatBałtyk system. Part 2 addresses various aspects of the practical applicability of the SatBałtyk Operational System to Baltic ecosystem monitoring. Examples are given of the Baltic’s characteristics estimated using the preliminary versions of the algorithms in this Operational System. At the current stage of research, these algorithms apply mainly to the characteristics of the solar energy influx and the distribution of this energy among the various processes taking place in the atmosphere-sea system, and also to the radiation balance of the sea surface, the irradiance conditions for photosynthesis and the condition of plant communities in the water, sea surface temperature distributions and some other marine phenomena correlated with this temperature. Monitoring results obtained with these preliminary algorithms are exemplified in the form of distribution maps of selected abiotic parameters of the Baltic, as well as structural and functional characteristics of this ecosystem governed by these parameters in the Baltic’s many basins. The maps cover practically the whole area of the Baltic Sea. Also given are results of preliminary inspections of the accuracy of the magnitudes shown on the maps. In actual fact, the errors of these estimates are relatively small. The further practical application of this set of algorithms (to be gradually made more specific) is therefore entirely justified as the basis of the SatBałtyk system for the effective operational monitoring of the state and functioning of Baltic ecosystems. This article also outlines the plans for extending SatBałtyk to include the recording of the effects and hazards caused by current and expected storm events in the Polish coastal zone.
    Źródło:
    Oceanologia; 2011, 53, 4
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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