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Tytuł:
Słoneczna temperatura przegrody pionowej w warunkach klimatu lokalnego
Solar-air temperature of vertical building structure in local climate
Autorzy:
Wojewódka, D.
Wilk, B.
Powiązania:
https://bibliotekanauki.pl/articles/362800.pdf
Data publikacji:
2007
Wydawca:
Instytut Fizyki Budowli Katarzyna i Piotr Klemm
Tematy:
słoneczna temperatura
współczynnik absorpcyjności promieniowania słonecznego
solar-air temperature
Opis:
W artykule autorzy podjęli próbę oceny wpływu promieniowania słonecznego na pionowe przeszkody budowlane w warunkach klimatu lokalnego, w zależnosci od parametrów materiałowych powierzchni przegrody. Wpływ promieniowania słonecznego wyrażony został przez temperaturę słoneczną. Analiza została przeprowadzona na podstawie pomiarów całkowitego promieniowania słonecznego padającego na płaszczyznę pionową, uzyskanych na stanowisku badawczym zakładu Budownictwa Ekologicznego.
In the paper a trial of the influence of total solar radiation on vertical building structures was taken up. The influence of solar radiation was described on research stand of Department of Building Processes of Silesian University of technology were used in calculations.
Źródło:
Fizyka Budowli w Teorii i Praktyce; 2007, T. 2; 311-316
1734-4891
Pojawia się w:
Fizyka Budowli w Teorii i Praktyce
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Selected problems concerning maintenance of structures
Wybrane problemy utrzymania obiektow budowlanych
Autorzy:
Slusarek, J.
Powiązania:
https://bibliotekanauki.pl/articles/40569.pdf
Data publikacji:
2007
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:
building element
external environment
building structure
maintenance
sustainable building
sustainable development
durability
rehabilitation method
repair method
environment condition
building material
diagnostic test
local climate
solar temperature
thermal stress
Źródło:
Acta Scientiarum Polonorum. Architectura; 2007, 06, 4; 3-21
1644-0633
Pojawia się w:
Acta Scientiarum Polonorum. Architectura
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Weather patterns of the coastal zone of Petuniabukta, central Spitsbergen in the period 2008–2010
Autorzy:
Láska, Kamil
Witoszová, Denisa
Prošek, Pavel
Powiązania:
https://bibliotekanauki.pl/articles/2051435.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Arctic
Svalbard
climate
temperature
solar radiation
Źródło:
Polish Polar Research; 2012, 4; 297-318
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Determination of the effect of insect net used in greenhouse on indoor conditions: pepper plant sample
Autorzy:
Ocak, Aytekin
Atılgan, Atılgan
Powiązania:
https://bibliotekanauki.pl/articles/101436.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
Tematy:
insect net
solar radiation
temperature
greenhouse
Opis:
The aim of this study is to determine the effects of insect net placed on ventilation openings in greenhouses on temperature, humidity and radiation energy from indoor conditions. In addition, the effects of insect net on the agents used in biological control have been tried to be determined. The study was carried out between November 2017 and May 2018 in Kumluca district of Antalya in 2 glass and 2 plastic greenhouses. Greenhouses; the glass greenhouse without insect net (GCG), the glass greenhouse with insect net (GNG), the plastic greenhouse without insect net (PCG), the plastic greenhouse with insect net (PNG) is named as. Temperature, humidity and solar radiation values were measured in greenhouses. According to the results of the research; It was determined that the recommended temperature values for pepper development are only suitable in January and well below the recommended values in February. In other production months, the average temperature values of with insect net greenhouses (PNG-GNG) used in ventilation openings were found to be higher than without insect net greenhouses (PCG-GCG). When the results of relative humidity values were examined, it was observed that the use of insect tulle in the greenhouses was lower than the control greenhouses. It was determined that the solar radiation values were lower than the control greenhouses (PCG-GCG) of the insect tulle greenhouses (PNGGNG) in other months except January and May. Therefore, we can say that the use of insect net reduces the amount of solar radiation. Accord ing to the results of temperature values; the growth of Orius Leavigatus and Amblyseius swirski, one of the biological agents and resistant to high temperatures, was observed to slow down in all other months except February. For Phytoseiulus persimilis (30°C and above), we can say that this is a suitable environment and that the eggs have emerged in a shorter time. The most suitable average temperature for the development of Aphidius colemani was reached only in January. In other months, the development of this agent slows down, parasitic insecticides can be said to decrease the rate of parasitoids. As a result; It was determined that the temperature values were higher in the greenhouses where insect net was used and the solar radiation values were lower than the control greenhouses. However, since the use of insect net causes the temperature in the greenhouse to increase, it may create a positive development for some bio agents. It is thought that producers using insect net should make production considering these negativities in temperature and solar radiation.
Źródło:
Infrastruktura i Ekologia Terenów Wiejskich; 2019, III/1; 197-217
1732-5587
Pojawia się w:
Infrastruktura i Ekologia Terenów Wiejskich
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Variation in Direct Solar Irradiation with Relative Humidity and Atmospheric Temperature
Autorzy:
Wazwaz, Aref
Khan, Mohd Shariq
Powiązania:
https://bibliotekanauki.pl/articles/124148.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
solar irradiation
pyranometer
relative humidity
atmospheric temperature
accumulative solar flux
Opis:
A class first Pyranometer was used to measure the direct solar irradiation and the obtained results were analyzed. Separate sensors were used to measure the relative humidity and the atmospheric temperature (RH/AT sensors). The measurements were conducted for the whole year of 2013. The author analyzed the collected solar data during one day, month, and year. The maximum, minimum, average, and accumulative solar irradiation (SR) were calculated and analyzed with connection to relative humidity and atmospheric temperature. The author found that April was characterized by the average maximum solar irradiation (SR= 1112±1W/m2), May had the maximum SR accumulation (13276552± 1W/m2). The maximum average percentage relative humidity found in July (% RH = 97± 3%), while the minimum average % RH is in December (% RH = 25± 3%). In May, the maximum average atmospheric temperature was 36.0 ± 0.6°C, while the average minimum was in January (AT= 19.1 ± 0.6°C). The total accumulation of solar flux during the year 2013 is 222 ± 1MW/m2.
Źródło:
Journal of Ecological Engineering; 2019, 20, 9; 38-43
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Temperature Effect on Performance of Different Solar Cell Technologies
Autorzy:
Adeeb, Jehad
Farhan, Alaa
Al-Salaymeh, Ahmed
Powiązania:
https://bibliotekanauki.pl/articles/124356.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
solar cell
photovoltaics
temperature effect
multicrystalline silicon solar cell
amorphous silicon solar cell
monocrystalline
Opis:
One of the main parameters that affect the solar cell performance is cell temperature; the solar cell output decreases with the increase of temperature. Therefore, it is important to select the proper solar cell technology that performs better at a specified location considering its average temperatures. In addition, the solar cell performance is directly reflected on the overall economics of the project. This paper is proposed to evaluate the variations in the performance of different solar cell technologies related to the temperature in Amman, Jordan. Field data of weather station and three PV systems (Poly-crystalline, Mono-crystalline and Thin-film) of identical design parameters were collected from Test Field Project at Applied Science Private University, Shafa Badran, Amman, Jordan. These data were analysed in the following way. estimated specific energy yield (kWh/kWp) for the three different PV systems was calculated depending on the measured value of solar irradiance and technical specifications of the installed solar panels and inverters, then the actual energy yield at different temperatures over one year was compared with the estimated value, so the deviations could be determined and actual temperature coefficients for energy yield could be calculated, knowing that the three PV Systems have identical design parameters (tilt angle, azimuth angle, type and dimensions of mounting structure and inverter size) and same cleaning method and schedule. It was found that the thin-film solar panels are less affected by temperature with temperature coefficient of -0.0984%, and -0.109%, -0.124% for Mono-crystalline and Poly-crystalline respectively. These results can be implemented in the preliminary design steps, specifically in the selection of the solar cell technology to be installed in a specific location.
Źródło:
Journal of Ecological Engineering; 2019, 20, 5; 249-254
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wpływ promieniowania słonecznego na temperaturę wewnątrz przegrody trójwarstwowej w okresie zimowym
Influence of solar radiation to the temperature inside a three-layer partition in winter season
Autorzy:
Antonik-Popiołek, P.
Powiązania:
https://bibliotekanauki.pl/articles/2084044.pdf
Data publikacji:
2021
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:
outside wall
solar radiation
temperature
smart building
Opis:
The article presents an analysis of the impact of solar radiation on the temperature changes in the external three-layer partition of a smart building. Data for analysis were taken from temperature sensors located in individual layers of the wall and from a weather station on the roof of a building. The data were recorded 24 h in 5- and 15-minute intervals. The analysis period was one month in a winter season. The purpose of the analysis was to determine the correlation between the solar radiation measured as the illuminance and the temperature inside the wall. In the analysed period of one month the correlation was very weak. Also, considering only the illuminance over 10,000 lx, the correlation was noticeable, but still very weak. The use of innovative fiber optic technology with fibre Bragg grating was proposed to avoid incorrect measurements.
Źródło:
Acta Scientiarum Polonorum. Architectura; 2021, 20, 2; 75-82
1644-0633
Pojawia się w:
Acta Scientiarum Polonorum. Architectura
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Photovoltaic thermal as a hybrid form of obtaining energy from solar radiation
Autorzy:
Głuchy, D.
Kurz, D.
Trzmiel, G.
Powiązania:
https://bibliotekanauki.pl/articles/377221.pdf
Data publikacji:
2014
Wydawca:
Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:
photovoltaics
solar collector
Photovoltaic Thermal
PV temperature
Opis:
The work presents a method for hybrid connection of two systems used to obtain energy from solar radiation. The influence of temperature increase of the photovoltaic element on its efficiency was characterized. Two options for the construction of a system of the photovoltaic thermal type which are currently available for sale were presented. The advantages and disadvantages of connecting a collector installation with a photovoltaic installation were identified.
Źródło:
Poznan University of Technology Academic Journals. Electrical Engineering; 2014, 79; 175-180
1897-0737
Pojawia się w:
Poznan University of Technology Academic Journals. Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Warming and cooling of the Earths climate and their causes
Autorzy:
Boryczka, Jerzy
Szmajda, Dorota
Powiązania:
https://bibliotekanauki.pl/articles/2032466.pdf
Data publikacji:
2006-06-01
Wydawca:
Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
Tematy:
solar radiation
temperature
greenhouse effect
spectrum
solar activity
mass moments of planets
Opis:
The progressing wanning of the Earth's climate is mainly caused by natural factors, that is, the increasing solar activity and the decreasing volcanic activity on the Earth. The aspects which testify to the predominance o f natural factors include: synchronous changes in the average air temperature in the Northern Hemisphere in the years 1856-2002, the average consecutive 11-year Wolf numbers and the location of the mass centres o f the four largest planets. Natural causes o f the climate warming are corroborated by the synchronicity o f changes in the carbon dioxide concentration and paleotemperature in the last 450,000 years, revealed on the basis o f an analysis o f the ice core in Antarctica. Periods o f climate warming occur every 100,000 years and are caused by an increased solar radiation in high latitudes, resulting from changes in the Earth's orbit and the inclination of the Earth axis (according to the popular Milanković theory).
Źródło:
Miscellanea Geographica. Regional Studies on Development; 2006, 12; 31-41
0867-6046
2084-6118
Pojawia się w:
Miscellanea Geographica. Regional Studies on Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of ambient air temperature and solar radiation on changes in bacterial and fungal aerosols concentration in the urban environment
Autorzy:
Kowalski, M.
Pastuszka, J.S.
Powiązania:
https://bibliotekanauki.pl/articles/2081692.pdf
Data publikacji:
2018
Wydawca:
Instytut Medycyny Wsi
Tematy:
Bioaerosol
solar radiation
sterilization
airborne microorganisms
temperature breakpoint
Opis:
Bioaerosols are particularly sensitive to sterilization processes due to their biological characteristics. Phenomena occurring in the atmosphere have major influence on airborne bacteria and fungi concentration levels. The presented study evaluates the sterilization properties of ambient air temperature and solar radiation on viable bioaerosols concentration levels in outdoor air in Gliwice, Poland. Assigned were the breakpoints indicating limited stimulation properties of the air temperature, which amounted 7.5 °C for bacterial aerosol and 16.5 °C for fungal aerosol. Also revealed was the influence of solar radiation properties on decreasing the bioaerosols concentration levels. Both bacterial and fungal viable aerosol were sensitive to this radiation, although the phenomenon was more effective for airborne bacteria.
Źródło:
Annals of Agricultural and Environmental Medicine; 2018, 25, 2; 259-261
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Climate of the Europe. Past, present, future
Autorzy:
Boryczka, Jerzy
Stopa-Boryczka, Maria
Mikulska, Małgorzata
Powiązania:
https://bibliotekanauki.pl/articles/2029392.pdf
Data publikacji:
2004-06-01
Wydawca:
Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
Tematy:
Solar radiation
temperature
greenhouse effect
spectre
volcanic platforms
Solar activity
planet mass momentum
forecast
Opis:
The advancing warming of Earth climate has largely been influenced by natural causes, i.e. increased Solar activity and decreasing volcanic activity on Earth. It still remains unknown which part of the warming process results from the increased amount of Solar energy reaching Earth surface, and which is being caused by the anthropogenic part of atmosphere's greenhouse effect. The facts speaking in favour of natural factors include synchronic changes of mean air temperature on the Northern hemisphere between 1856 - 2002, mean consecutive 11-year Wolf numbers, and the location of mass centres of the four biggest planets in our Solar system. The theory of natural causes of climate warming is also backed by synchronic changes in carbon dioxide concentration and paleotemperature within the last 160,000 years and 450,000 years, recreated based Antarctica ice cores. Warmings occur every 100,000 years. They are triggered by increased Solar radiation in large geographic latitudes resulting from changes in Earth orbit and Earth axis slant (according to the already accepted Milankovic theory). “Parallelism” of changes in CO2 concentration and paleotemperture shows that the atmospheric content of carbon dioxide is shaped by the amount of Solar radiation reaching Earth - through shifts in ocean waters temperature. It is more credible to claim that “CO2 concentration in atmosphere rises along with the amount of Solar radiation reaching Earth surface (i.e. when it is warmer).”
Źródło:
Miscellanea Geographica. Regional Studies on Development; 2004, 11; 101-118
0867-6046
2084-6118
Pojawia się w:
Miscellanea Geographica. Regional Studies on Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Links between Variations in Climate Patterns and ITCZ Position over Nigeria
Autorzy:
Opeyemi, Rabiu Salau
Powiązania:
https://bibliotekanauki.pl/articles/1179010.pdf
Data publikacji:
2017
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Climate
Flood
ITCZ
Rainfall
Solar Radiation
Temperature
Wind Speed
Opis:
The analysis of the observed 30 years data that include the monthly precipitation, wind speed and solar radiation from Maiduguri, Abuja, Ikeja and Port Harcourt is done to estimate the approximate shift in the Inter-Tropical Convergence Zone (ITCZ) mean position over Nigeria. The data are separated into three decades (1981-1990, 1991-2000 and 2001-2010) and their monthly mean values are compared with each other and with the corresponding magnitudes over the whole period (1981-2010). The results indicate that the overall precipitation increases southward across the country while the annual mean intensity rises over the decades in all the selected locations. Using the extreme decades, the magnitude of the rainfall in 2001-2010 is higher than the corresponding values in 1981-1990 by 20.84 mm, 9.87 mm, 18.40 mm and 6.89 mm in Maiduguri, Abuja, Ikeja (Lagos) and Port Harcourt respectively. Further investigation in all the locations showed periods of elevated monthly rainfall in the recent decades than other periods; the magnitudes compared to 1981-1990 are between 48.6mm-78.4mm which are much higher than the annual mean intensities while few months with very low rainfall are observed in Abuja and Port Harcourt. As expected, reverse pattern is seen in the wind speed which is generally lower in 2001-2010 than in 1981-1990. The rising magnitude of the precipitation over the decades imply that the ITCZ must have been shifting slightly over the periods to a more northern extreme in 2001-2010, causing northward spread of the rainfall which raises the overall intensity of the rainfall across Nigeria. A persistent northward shift in the ITCZ position with increasing magnitude of the associated rainfall could raise the current severity of soil erosion, frequency of flooding that might cause severe damages and paralyze businesses in Nigeria under such a future climate change. Hence, availability of data with advance technology for studying fluctuations in the ITCZ position might improve weather forecast that could favour farm yield and save lives and properties as climate changes in the future.
Źródło:
World Scientific News; 2017, 87; 191-204
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Significant Influence of Annealing Temperature and Thickness of Electrode on Energy Conversion Efficiency of Dye Sensitized Solar Cell: Effect of Catalyst
Autorzy:
Uddin, J.
Islam, J. M. M.
Khan, S. M. M.
Hoque, E.
Khan, M. A.
Powiązania:
https://bibliotekanauki.pl/articles/412298.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Dye Sensitized Solar Cell
sensitizer
catalyst
annealing temperature
thickness
Opis:
Dye sensitized solar cell (DSSC) shows great promise as an alternative to conventional p-n junction solar cells due to their low fabrication cost and reasonably high efficiency. DSSC was assembled by using natural dye extracted from red amaranth (Amaranthus Gangeticus) as a sensitizer and different catalysts for counter electrode were applied for maximum energy conversion efficiency. Annealing temperature and thickness of electrode were also investigated and optimized. Catalyst, annealing temperature and thickness were optimized by the determination of cell performance considering photoelectrochemical output and measuring current and voltage; then calculating efficiency and other electrical parameters. The experimental results indicated that samples having 40 μm electrode thickness and prepared at 450 o C annealing temperature showed the best performance.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2014, 20, 1; 78-87
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Tendencies in climate changes in Poland and Ukraine during the last centuries and their causes
Autorzy:
Boryczka, Jerzy
Stopa-Boryczka, Maria
Mucha, Bohdan
Miłaszewska, Małgorzata
Powiązania:
https://bibliotekanauki.pl/articles/2030336.pdf
Data publikacji:
2008-06-01
Wydawca:
Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
Tematy:
air temperature
NAO
solar activity
spectrum
periods
tendencies
forecast
Opis:
The paper describes tendencies in changes of air temperature in Poland and Ukraine on the basis of a long series of measurements made in Warsaw (1779-2000), Cracow (1826-2000), Lviv (1824-2002) and Kiev (1812-2002). Air temperature in these cities in the years 1825-2002 is positively correlated with the North Atlantic Oscillation (NAO) Index. Values of the r correlation coefficient are much higher in winter months than during the summer and they decrease with distance from the Atlantic Ocean. Of interest are air temperature changes in Warsaw, Cracow, Lviv and Kiev in the XIXth -XXth centuries together with forecasts until the year 2100. Significant dependence of the climate of Poland and Ukraine on the NAO index stems from similar temperature cycles and the eight-year, eleven-year and one-hundred-year NAO index. Forecast credibility results from the similar periodicity of air temperature, the NAO index and solar activity. The forecast mean annual temperature values for 2001-2100 were obtained from the interference of statistically important temperature cycles, determined by the sinusoidal regression method.
Źródło:
Miscellanea Geographica. Regional Studies on Development; 2008, 13; 77-88
0867-6046
2084-6118
Pojawia się w:
Miscellanea Geographica. Regional Studies on Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wpływ konstrukcji i wyposażenia obiektu na zmiany temperatury wewnętrznej powietrza wywołanej promieniowaniem słonecznym
Object structure and equipment impact on inside air temperature changes caused by solar radiation
Autorzy:
Kurpaska, S.
Stokłosa, R.
Powiązania:
https://bibliotekanauki.pl/articles/290459.pdf
Data publikacji:
2005
Wydawca:
Polskie Towarzystwo Inżynierii Rolniczej
Tematy:
szklarnia
temperatura powietrza
promieniowanie słoneczne
greenhouse
air temperature
solar radiation
Opis:
Badania przeprowadzono w dwóch obiektach: w tunelu foliowym o wymiarach 6 m x 9 m oraz szklarniach zblokowanej typu Venlo. Przeprowadzono analizę wpływu konstrukcja i wyposażenia obiektu oraz czynników klimatycznych (temperatura otoczenia, natężanie promieniowania słonecznego, wilgotność powietrza, prędkość wiatru) na zmiany temperatury wewnątrz badanych obiektów. Na podstawie przeprowadzonych badań wyliczono minimalną ilość powietrza potrzebną do wentylacji szklarni i tunelu w celu utrzymania optymalnej temperatury powietrza wewnątrz obiektu.
The research was carried out in two objects: foil tunnel sized 6m x 9m and Venlo-type combined greenhouse. An analysis was carried out on the impact of object structure and equipment and climatic factors (ambient temperature, solar radiation intensity, air humidity, wind velocity) on temperature changes inside the examined objects. Carried out research provided the basis to calculate minimum air quantity required for the greenhouse and tunnel ventilation in order to maintain optimum air temperature inside the object.
Źródło:
Inżynieria Rolnicza; 2005, R. 9, nr 10, 10; 245-253
1429-7264
Pojawia się w:
Inżynieria Rolnicza
Dostawca treści:
Biblioteka Nauki
Artykuł
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