Showing 1 - 10 of 21
Proper design and performance predictions of solar energy systems require accurate information on the availability of solar radiation. The diffuse-to-global solar radiation correlation, originally developed by Liu and Jordan, has been extensively used as the technique providing accurate results,...
Persistent link: https://www.econbiz.de/10010806160
In the photosynthesis process, solar radiation energy is converted to chemical energy by using atmospheric CO2. That is, almost all living species depend on energy produced through photosynthesis for their nourishing components thus making photosynthesis vital to the earth's life. Nevertheless,...
Persistent link: https://www.econbiz.de/10011043794
As the planet is experiencing dramatic environmental problems mainly due to human activities, education plays an essential role in the formation of pupils’ attitudes toward the environment, both social and natural. That is, the depletion in the concentration of ozone layer in the stratosphere...
Persistent link: https://www.econbiz.de/10011043816
This paper presents a comparison of the characteristics of the electricity demand for London, UK and Athens, Greece and explores its relationship with both climate and non-climate related factors. Year-to-year trends for both cities are identified, associated mainly with economic, social and...
Persistent link: https://www.econbiz.de/10011055524
The present study is concerned with the generation of a Typical Meterological Year for Nicosia, Cyprus. The above tool will be useful for the prediction and comparison of the performance and cost effectiveness of passive and active solar systems in the island. The Typical Meteorological Year was...
Persistent link: https://www.econbiz.de/10011044595
Persistent link: https://www.econbiz.de/10006627086
Results obtained using SPCTRAL2 parametric model for the polluted urban atmosphere of Athens, Greece, were analysed and compared with ground level experimental spectral solar irradiance measurements and spectrally integrated solar irradiances in two discrete narrow bands, ultraviolet and...
Persistent link: https://www.econbiz.de/10010803759
A complete numerical model for the prediction of air and soil temperature fields under a building is developed. The model describes the simultaneous heat and mass transfer inside an earth-tube system and into the soil, taking into account the soil's natural thermal stratification. The proposed...
Persistent link: https://www.econbiz.de/10010805181
We report the first observations of solar global UV (280–380nm) radiation on the island of Cyprus obtained during an ongoing joint research project between the University of Athens and the Meteorological Service of Cyprus. Hourly global UV (Guv) and global (Gh) solar irradiances are measured...
Persistent link: https://www.econbiz.de/10011055423
The solar radiation climate of Athalassa, Cyprus, is reported upon in detail. The database utilized in this analysis consisted of daily global and diffuse radiation on a horizontal surface, and global radiation on tilted surfaces, together with the calculated daily values of horizontal beam...
Persistent link: https://www.econbiz.de/10011044417