3rd generation rim drive heliostat with monolithic sandwich panel | Zendy

Phillip Liedke | Zendy; Andreas Pfahl | Zendy; Juan Felipe Vásquez-Arango | Zendy; Lars Muschalski | Zendy; Erwin Hölle | Zendy

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3rd generation rim drive heliostat with monolithic sandwich panel

Author(s) -

Phillip Liedke,

Andreas Pfahl,

Juan Felipe Vásquez-Arango,

Lars Muschalski,

Erwin Hölle

Publication year - 2018

Publication title -

aip conference proceedings

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.177

H-Index - 75

eISSN - 1551-7616

pISSN - 0094-243X

DOI - 10.1063/1.5067057

Subject(s) - heliostat , stiffness , finite element method , structural engineering , transient (computer programming) , wind tunnel , wind engineering , materials science , engineering , mechanical engineering , computer science , aerospace engineering , electrical engineering , solar energy , operating system

The improvements of the mechanical structure of the current rim drive heliostat generation with chain drive system and monolithic sandwich structure is described. The improvements of the mechanical structure result in increased torsional stiffness of the pylon, reduced manufacturing effort, increased life time of the chain gears, and better access to the drives. Dynamic wind loads were determined by loading a transient finite element model with pressure distribution time series gained by wind tunnel tests. Due to the rims, the heliostat shows significantly better dynamic behavior than conventional heliostats without rims.The improvements of the mechanical structure of the current rim drive heliostat generation with chain drive system and monolithic sandwich structure is described. The improvements of the mechanical structure result in increased torsional stiffness of the pylon, reduced manufacturing effort, increased life time of the chain gears, and better access to the drives. Dynamic wind loads were determined by loading a transient finite element model with pressure distribution time series gained by wind tunnel tests. Due to the rims, the heliostat shows significantly better dynamic behavior than conventional heliostats without rims.

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