Research Paper On Solar Energy

Research Paper On Solar Energy-13
Solar energy is such a vast energy resource that it can be used for any of our everyday needs, including electrical power, heating and cooling, water heating, industrial process heat, cooking, transportation, fuel production and even environmental clean-up.It comes to us as radiation which is pure energy (no mass associated with it), which is the highest form of energy and can be converted to many other forms for our everyday use. However, it is available only during day time, and even during day time it is not available during cloudy and rainy periods.I would just like to mention one trend only (to keep this article from becoming too long), which I started back in the early 1990s.

Solar energy is such a vast energy resource that it can be used for any of our everyday needs, including electrical power, heating and cooling, water heating, industrial process heat, cooking, transportation, fuel production and even environmental clean-up.It comes to us as radiation which is pure energy (no mass associated with it), which is the highest form of energy and can be converted to many other forms for our everyday use. However, it is available only during day time, and even during day time it is not available during cloudy and rainy periods.I would just like to mention one trend only (to keep this article from becoming too long), which I started back in the early 1990s.

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The areas of research in these cells includes improving their efficiency and stability over time.

Since costs of PV in the last 10 years have come down so drastically, CSP has not been able to compete commercially in the world.

We concentrate on the use of grid-connected solar-powered generators to replace conventional sources of electricity.

For the more than one billion people in the developing world who lack access to a reliable electric grid, the cost of small-scale PV generation is often outweighed by the very high value of access to electricity for lighting and charging mobile telephone and radio batteries.

considers only the two widely recognized classes of technologies for converting solar energy into electricity — photovoltaics (PV) and concentrated solar power (CSP), sometimes called solar thermal) — in their current and plausible future forms.

Because energy supply facilities typically last several decades, technologies in these classes will dominate solar-powered generation between now and 2050, and we do not attempt to look beyond that date.

A tiny fraction of the solar energy that falls on the earth is sufficient to take care of all of the needs on the earth (for details please see Chapter 1 of Principles of Solar Engineering, 3rd Ed. So it is obvious that if we are to depend on solar energy for our needs, we must be able to store it efficiently and cost effectively.

By the way, wind, biomass, ocean energy, hydro etc.

In addition, in some developing nations it may be economic to use solar generation to reduce reliance on imported oil, particularly if that oil must be moved by truck to remote generator sites.

A companion working paper discusses both these valuable roles for solar energy in the developing world.

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