Solar thermal energy is a technology for utilizing solar energy and producing thermal energy or heat. Solar thermal collectors are classified as Low, Medium, and high-temperature collectors. The low-temperature collectors have used the flat plates and heated up the whole swimming pool.
Medium temperature collectors are also usually flat plates used for heating the water or any air and producing residential and commercial uses. The high-temperature collectors concentrate the sunlight by using mirrors or lenses. This is generally used for producing electricity.
How The Solar Thermal Energy Produced?
Solar thermal energy is produced when any dark surface is placed under direct sunlight. This surface absorbs the solar energy and heats up. The solar thermal collector works on the principle that “any sun-facing surface can transform the part of the energy to any fluid like water or air.
To reduce the heat loss in the atmosphere by improving the efficiency. The two sheets of glass are usually placed over any absorbing surface and insulations are placed right behind the absorber. The simple solar thermal collector is called a flat plate collector.
This can also achieve temperature up to 100°C. Even 1000°C like high temperature can also be achieved through concentrating collections. Solar thermal energy can be used for any applications such as space heating, running air conditioning, producing hot water, and drying, or any kind of industrial heating.
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