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International Journal of Photoenergy - Volume 2016 2016, Article ID 8375361, 9 pages -

Research Article

Departamento de Ingeniería Industrial, Universidad de Sonora, Boulevard Encinas y Rosales s-n, Colonia Centro, 83000 Hermosillo, SON, Mexico

Instituto de Energías Renovables, Universidad Nacional Autónoma de México, Privada Xochicalco s-n, 62580 Temixco, MOR, Mexico

Received 4 December 2015; Accepted 23 February 2016

Academic Editor: Manuel Ignacio Maldonado

Copyright © 2016 Luis O.
Lara-Cerecedo et al.
This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

A novel modeling tool for calculation of central receiver concentrated flux distributions is presented, which takes into account drift effects.
This tool is based on a drift model that includes different geometrical error sources in a rigorous manner and on a simple analytic approximation for the individual flux distribution of a heliostat.
The model is applied to a group of heliostats of a real field to obtain the resulting flux distribution and its variation along the day.
The distributions differ strongly from those obtained assuming the ideal case without drift or a case with a Gaussian tracking error function.
The time evolution of peak flux is also calculated to demonstrate the capabilities of the model.
The evolution of this parameter also shows strong differences in comparison to the case without drift.





Autor: Luis O.
Lara-Cerecedo, Isaias Moreno-Cruz, Nun Pitalúa-Diaz, and Camilo A.
Arancibia-Bulnes


Fuente: https://www.hindawi.com/



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