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首页> 外文会议>ISES solar world congress;IEA SHC International conference on solar heating and cooling for buildings and industry >Investigation of Soiling Effects on Solar Glass Covers in the Climate of Muscat, Oman
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Investigation of Soiling Effects on Solar Glass Covers in the Climate of Muscat, Oman

机译：阿曼马斯喀特气候下太阳能玻璃覆盖物的污染效应研究

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摘要

Soiling and the accumulation of dust on transparent covers of solar thermal collectors have a negative effect on their solar transmittance. This results in a lower optical performance and can reduce the thermal efficiency of a solar plant. The Sultanate of Oman recently tends to implement solar technologies as an option of renewable energy, but experiences and studies in this field are still limited. Previous studies around the globe have shown that the rate of accumulation of dust and soil and the corresponding efficiency loss is highly dependent on the location and climate and vary significantly. This study aims to quantify the loss in solar transmittance over time for the location of the Innovation Park Muscat and identify options to compensate them. For that aim, eight samples of transparent collector covers were exposed in different configurations to determine the impact of the soiling on the solar transmittance. Besides several lessons learned during field operation in a hot desert climate region, the results of the data analyses show that the solar transmittance is being reduced due to soiling by ～0.3 % to ～0.5 % per day and the effect is highly dependent on the weather.
机译：灰尘和灰尘在太阳能集热器的透明盖上的积累对其太阳能透射率具有负面影响。这导致较低的光学性能，并且会降低太阳能设备的热效率。阿曼苏丹国最近倾向于将太阳能技术作为可再生能源的一种选择，但该领域的经验和研究仍然有限。全球范围内的先前研究表明，灰尘和土壤的积累速率以及相应的效率损失高度依赖于地理位置和气候，并且差异很大。这项研究旨在量化随时间推移创新公园马斯喀特所处位置的日光透射率损失，并确定补偿方案。为了这个目的，以不同的构型暴露了八个透明收集器盖的样品，以确定污物对日光透射率的影响。除了在炎热的沙漠气候地区进行野外作业期间获得的一些经验教训之外，数据分析的结果还表明，由于土壤污染，日照透射率每天降低了〜0.3％至〜0.5％，其影响高度依赖于天气。

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