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Title: Study of different self-cleaning technologies in reducing particle deposition under dry environment
Authors: Yu, J
Lin, L
Ke, S
Keywords: Particle deposition
Self-cleaning technology
Issue Date: 2014
Publisher: International Society of Indoor Air Quality and Climate
Source: Indoor Air 2014 - 13th International Conference on Indoor Air Quality and Climate, 2014, p. 305-308 How to cite?
Abstract: Particle deposition on surface generally has negative effect. For example, in the field of solar energy, the accumulated dust on the surface of solar Photovoltaic (PV) module will decrease the transmittance of solar cell glazing and lead to significant reduction in its power conversion efficiency. Self-cleaning technology, new technology arising from the nature, is a possible way to solve this problem due to less dust accumulation and better dust removal. However, for an arid area, such as the Northwest China, it is difficult to get enough rain water to wash the deposited particle away. In this paper, the particle deposition experiment in a chamber without water sprinkling was conducted by using different self-cleaning technologies (Super-hydrophilic and Super-hydrophobic) for coating the target surface. Finally, based on the particle deposition data from experiments, it's concluded that the surface with super-hydrophilic technology actually reduced 20%-50% particle deposition in comparison with ordinary surface. However, super-hydrophobic technology didn't work without the help of water. Therefore, super-hydrophilic technology is recommended for arid areas.
Description: 13th International Conference on Indoor Air Quality and Climate, Indoor Air 2014, Hong Kong, 7-12 July 2014
Appears in Collections:Conference Paper

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