Experimental wind load model for heliostats

Chuncheng Zang, Zhifeng Wang, Hong Liu and Yi Ruan

Applied Energy, 2012, vol. 93, issue C, 444-448

Abstract: Wind loads greatly affect the mechanical performance and tracking accuracy of heliostats. Therefore, the wind load must be accurately known to assure the operational reliability of heliostats. A simple wind load model was developed based on experiments on an actual heliostat rather than a wind tunnel heliostat model. The tested factors include the strain in the pedestal and the wind velocity at different heights. The test results were used to develop a mathematical wind load model for use in a finite element analysis of the heliostat. The finite element results agree with the experimental data; therefore, this experimental method provides a reference for wind-resistance designs of heliostats.

Keywords: Heliostat; Wind load; Experiment; Finite element analysis (search for similar items in EconPapers)
Date: 2012
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DOI: 10.1016/j.apenergy.2011.12.027

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