Affiliation:
1. College of Energy and Power Engineering, Inner Mongolia University of Technology, Hohhot, Inner Mongolia Autonomous Region 010051, China
2. Key Laboratory of Wind and Solar Power Energy Utilization Technology Ministry of Education and Inner Mongolia Construction, Hohhot, Inner Mongolia Autonomous Region 010051, China
Abstract
Sand/dust storms (SDSs) are a common natural phenomenon occurring in the spring in arid and semi-arid areas. To investigate the influence of sand/dust on the performance of concentrating solar power systems, the effects of four SDS events and four natural dust deposition (NDD) periods were tested from March 7 to June 11, 2021, and were compared with the performance of the clean state. The results reveal that the sand/dust concentration on the mirror increased significantly after the occurrence of SDS events. In particular, after a severe sandstorm, the dust density was found to have reached 6.177 g/m2, which was 2.09 times that under the NDD exposure period of 40 days. With the increase in the dust density by 1 g/m2 after the occurrence of the four SDS events, the average reflectivity, energy flux density, and thermal efficiency were found to be decreased by 12.1%, 11.9%, and 12.5%, respectively, whereas they are decreased by 13.7%, 10.5%, and 13.7% under the four NDD periods.
Subject
Renewable Energy, Sustainability and the Environment
Cited by
2 articles.
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