Concentrated Solar Power (CSP) has the potential to bring energy to remote areas of the world. The sunshine is reflected off rows of mirrors onto a central tower & concentrates a big amount of solar energy in the form of heat in one focal point. Then in this process, the water is transformed into steam & turns a turbine which generates electricity.
One of the drawbacks of CSP Power plans is their huge demand for water to clean the mirrors. According to Euronews, This type of solar technology is perfectly suited to deserts with their strong sunlight, but desert sand and dust mean all the mirrors need regular cleaning – using precious water.
Researchers are now testing new technologies and methods, such as ultrasonic cleaning system, or vibration, and the coating layer, which is self-cleaning, to use less water for cleaning CSP plants.
Especially dry methods are gaining more attraction as they are more suitable for desert regions. Some of these methods rely on the ultrasonic wave or vibration for detaching the dust bonding from the surface of the mirrors. While other methods, known as preventive methods, focus on reducing the soiling by modifying the mirror surface and incorporating self-cleaning features using special coatings.
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Date: May 27, 2019 @ 20:39
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