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Full-Text Articles in Physical Sciences and Mathematics
The Use Of Renewable Resources In Albania Economic Benefits, Luciana Toti, Alma Stana, Ajakida Eski
The Use Of Renewable Resources In Albania Economic Benefits, Luciana Toti, Alma Stana, Ajakida Eski
UBT International Conference
Today around the world are greatly increased needs to use the renewable energies. In this paper are mentioned primary energy, mainly solar energy. The use of solar energy brings economic and social development. Geographical and climate conditions in Albania are favorable for solar energy use. In our territory there is a considerable solar energy potential, especially in south west. In this paper are shown the use of solar systems to heat water in several countries and in Albania in the last decade. The data for different regions (according to the coordinates, the average number of hou rs of sunshine, solar …
Solar Cell Design Using Metamaterials, Yang Liu, Yitung Chen, Jichun Li
Solar Cell Design Using Metamaterials, Yang Liu, Yitung Chen, Jichun Li
College of Engineering: Graduate Celebration Programs
Natural structure with simultaneous negative permittivity and permeability has not been discovered yet. However, using specially-designed metal embedded in dielectric bodies can achieve a kind of artificial negative index. This periodic structure which is smaller than the guided wavelength is known as a metamaterial. However, recent designs of metamaterials have some disadvantages when they are used in the application of solar cell. The perfect absorption is only within a narrow band, and for most of the solar spectrum, the absorption is no more than 10%. Here, a new kind of absorber for the solar spectrum has been designed and analyzed, …