Analysis of drift phenomena in heliostat images

Martha Escobar-Toledo, Camilo A. Arancibia-Bulnes, Manuel I. Peña-Cruz, David Riveros-Rosas, Rodolfo Peón-Anaya, Cuitlauac Iriarte-Cornejo, Rafael E. Cabanillas, Claudio A. Estrada

Producción científica: Contribución a una conferenciaArtículorevisión exhaustiva

2 Citas (Scopus)

Resumen

Heliostat image drift is defined as the wandering of the irradiance spot produced by a heliostat on a receiver or observation screen. Two factors producing heliostat image drift have been analyzed theoretically in the present paper: errors in reference position, and time delay. Some regular behavior is found in the drift curves. Maximum deviations from target tend to be linearly dependent with either angular error, or time delay. In particular, the curves produced by this later effect are circular or elliptical. Heliostats at different distances from a tower have been analyzed. For heliostats far from the tower the drift curves due to errors in reference position also have a more or less elliptical shape. Results are presented as dimensionless quantities. Some practical implications of these results are discussed.

Idioma originalInglés
Páginas385-392
Número de páginas8
DOI
EstadoPublicada - 2012
EventoASME 2012 6th International Conference on Energy Sustainability, ES 2012, Collocated with the ASME 2012 10th International Conference on Fuel Cell Science, Engineering and Technology - San Diego, CA, Estados Unidos
Duración: 23 jul. 201226 jul. 2012

Conferencia

ConferenciaASME 2012 6th International Conference on Energy Sustainability, ES 2012, Collocated with the ASME 2012 10th International Conference on Fuel Cell Science, Engineering and Technology
País/TerritorioEstados Unidos
CiudadSan Diego, CA
Período23/07/1226/07/12

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