نتایج جستجو برای: solar energy

تعداد نتایج: 757539  

The mode of operation of mini parabolic solar panels made of germanium, mild steel and aluminium were investigated experimentally, as means of providing heated water on a farmland; the process was also modelled. Angular adjustments of the solar collectors from 70-90o were adopted in order to determine, the best material of construction for the parabolic solar collector and the angular orientati...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید باهنر کرمان 1386

چکیده ندارد.

2012
Gytis Juška Kęstutis Arlauskas

Photovoltaic phenomenon was first observed by E. Becquerel (Becquerel) in 1839. He observed the electric current-lit silver electrode, immersed in the electrolyte. In 1894, taking advantage of the observed photoconductivity phenomenon in amorphous selenium the semiconductor solar cell was developed. The very first silicon p-n junction solar cell was made in 1954, energy conversion efficiency of...

2015
Chitra Pasupathi

Solar energy is an important source of renewable energy that can be harnessed using a range of evolving technologies such as solar heating, solar photovoltaic, solar thermal energy, solar architecture and artificial photosynthesis. The harnessed solar energy can be used in a wide range of applications like electricity production, fuel production, agriculture planning, water heating, transport, ...

2008
Y Zhang SJ Smith Yabei Zhang Steve Smith

Solar technologies have unique characteristics that require detailed study to develop a suitable representation for modeling purposes. Solar technologies generally have low operating costs and carbon emissions, but high capital cost. Thus financing assumptions are particularly important for this type of capital-intensive technology. Intermittency is also a major characteristic of solar energy. ...

Hitesh N. Panchal, P. K. Shah

A solar still is a viable option when the demand of potable water does not exceed more than 3 litres. Enhancement in distillate output from the solar still is a main goal of many researchers all over the world. In this research, the effect of copper and aluminium plates on distillate output is investigated experimentally as well as theoretically at different water depths under the same climate ...

Introduction The human need for energy is continually increasing and the limited sources of fossil energy are reducing. The indiscriminate use of fossil fuels pollute the environment and threaten life on the earth. Besides, because of difficult terrain, unfavourable topographical conditions and inaccessibility of some mountainous roads to national electricity network or high costs of these s...

In residential section, Studies have shown that, along with the use of various household consumption management techniques, the so-called hubs of energy can also be used to improve the performance and management of home energy management. In each electrical energy system, customers are aiming to minimize their energy costs. In this paper, it can be seen that in each home a home-made residential...

2017
He Tang Shengsheng He Chuangwei Peng

Faced with the increasingly serious energy and environmental crisis in the world nowadays, the development of renewable energy has attracted increasingly more attention of all countries. Solar energy as an abundant and cheap energy is one of the most promising renewable energy sources. While high-performance solar cells have been well developed in the last couple of decades, the high module cos...

2011
Chung-Hsing Chao

In this paper, a solar energy powered bicycle by a wireless sensor network (WSN) far-end network monitoring solar energy to transfer the electrical energy storage and the effectiveness analysis is proposed. In order to achieve this goal, an embarked ZigBee by a solar-powered bicycle the far-end wireless network supervisory system is setup. Experimental results prove that our prototype, the sola...

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