free -Solar Energy-12
Iron disulfide for solar energy conversion
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Pyrite (Eg = 0.95 eV) is being developed as a solar energy material due to its environmental compatibility and its very high light absorption coefficient. A compilation of material, electronic and interfacial chemical properties is presented, which is considered relevant for quantum energy
Review and comparison of different solar energy technologies
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Most of the power generated nowadays is produced using fossil fuels, which emit tons of carbon dioxide and other pollution every second. More importantly, fossil fuel will eventually run out. In order to make the development of our civilization sustainable and cause less
Solar energy collection and its utilization for house heating
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The thesis be classified into two sections, the first two chapters dealing with the general problem of solar house heating and the remaining two with the special problem of collection of solar energy using flat plate collectors, While economic considerations have been taken
Solar Energy : The physics and engineering of photovoltaic conversion, technologies and systems
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Page 1. Page 2. Solar energy The physics and engineering of photovoltaic conversion, technologies and systems Page 3. Solar energy The physics and engineering of photovoltaic conversion, technologies and systems Arno HM Smets Klaus Jäger Olindo Isabella Ren ACMM
Physics looks at solar energy
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The idea of using the sun as a source of energy has had a long history, but so far it has been a history of bright hope and dismal failure. In the middle 1950s newspaper headlines were full of glowing predictions of what solar energy could do for mankind; the first InternationalSolar energy is clean, environmentally friendly and freely available over the planet earth. Life on earth also owes its existence to solar energy . Solar energy is used to produce thermal as well as electrical power. If fossil fuels continue to be depleted at the present rate
Solar energy potential assessment using GIS
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Renewable energy resources are those having a cycling time less than 100 years and are renewed by the nature and their supply exceeds the rate of consumption. Renewable energy systems use resources that are constantly replaced in nature and are usually less
The present and future use of solar thermal energy as a primary source of energy
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The radiative energy from the Sun that keeps our planet warm exceeds by far the current primary energy supply used by mankind for its comfort, leisure and economic activities. It also exceeds vastly other energy sources at ground level such as geothermic or tidal
Solar energy application of natural zeolites
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DI Tchernev- Natural zeolites: Occurrence, 1978 library.pyramidal-foundational The utilization of solar energy for cooling is usually achieved by means of sorption- refrigeration cycles. However, the conventional cycles using ammonia-water or lithium bromide:water solutions are inefficient because of the low solution temperatures obtainable
The solar map as a knowledge base for solar energy use
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Our existing urban environment has a significant potential to increase the use of renewable energy , mainly by using solar irradiation for heat and electricity. Quantification of the solar potential by means of a solar map is the first step in the acceleration process for using more Lake Yanda as a Solar Energy Trap LAKE V ANDA is shown to be a natural example of the trapping and storing of solar energy by a salt water density gradient. The bottom of this Lake (218ft.) is maintained at 25 C despite a mean annual air temperature of about-20 C, the solar
Validation of building energy analysis simulation programs at the solar energy research institute
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This article presents a synopsis of work conducted over a number of years at the Solar Energy Research Institute (SERI) related to the validation of building energy analysis simulation programs. The work described was supported by the US Department of Energy
Forecasting methodologies of solar resource and PV power for smart grid energy management
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Due to of the test of atmosphere and vitality emergency, sustainable power source era including sun based era has encountered noteworthy development. Progressively high infiltration level of photovoltaic (PV) era emerges in savvy matrix. Sun oriented power is
Effects of temperature, solar flux and relative humidity on the efficient conversion of solar energy to electricity
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The effect of temperature, solar flux and relative humidity on the efficient conversion of solar energy to electricity using photovoltaic (PV) modules in Port Harcourt (tropical climate region) was studied using a BK Precision Model 615 Digital Light instrument. Results
Hybrid solar lighting doubles the efficiency and affordability of solar energy in commercial buildings
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Throughout the 1900s, use of the sun as a source of energy has evolved considerably. Early in the century, the sun was the primary source of interior light for buildings during the day. Eventually, however, the cost, convenience, and performance of electric lamps improved
Metal-insulator-metal diodes for solar energy conversion
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In classical MIM diode theory the MIM diode in conjunction with the light source is treated as a classical rectifier coupled to a sinusoidal voltage source representing the incident electromagnetic radiation. This classical theory is applicable to MIM diodes operating at low
Spatial and temporal variability of solar energy
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This monograph summarizes and analyzes recent research by the authors and others to understand, characterize, and model solar resource variability. This research shows that understanding solar energy variability requires a definition of the temporal and spatial
Utilization of solar energy for power generation in Nigeria
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This study presents the viabilities for power generation in Nigeria through the utilization of the suns energy . Solar -thermal and photovoltaic options were discussed. It highlights the basic science for the design and selection of components for successfully harnessing solar A MAJOR improvement of solar cell efficiency is described here which uses a fluorescent plane glass to convert and concentrate the ultraviolet (UV) and blue part of the solar spectrum, thus increasing the possibilities of photovoltaic solar energy conversion. An
Capturing solar energy from asphalt pavements
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The concept of extracting heat energy from asphalt pavements has been investigated in this study. The scope of work consisted of finite element modeling and testing with small and large scale asphalt pavement samples. Water flowing through copper tubes inserted within CSE PROJECTS