Modelization equations of six approaches for tracking the sun are recalled and used to evaluate the constraints and performances to which they lead to.The geographical study case is taken for the specific latitude of ...Modelization equations of six approaches for tracking the sun are recalled and used to evaluate the constraints and performances to which they lead to.The geographical study case is taken for the specific latitude of 12 North that is a good matching with the location of the country of Burkina Faso.Three decisive periods were locally established in order to consider the different travels of the sun on sky during one year.This work presents some technical data which facilitates the choice of sun tracking approaches with concern of a concentrator limits such as its angle of acceptance,its motion control card interpolation model,or its minimum irradiation level for energy conversion effectiveness.展开更多
The results of atmospheric effect characterization on the town of Ouagadougou in Burkina Faso are presented and the link with the availability of the direct component of solar radiation is discussed.Experimental meteo...The results of atmospheric effect characterization on the town of Ouagadougou in Burkina Faso are presented and the link with the availability of the direct component of solar radiation is discussed.Experimental meteorological data are treated to set a system of constant references which are used to extrapolate the likely atmospheric effect given by the other experimental meteorological data from 1976 to 2006.As results the periods of strong monthly attenuation of the solar potential are pointed out.展开更多
文摘Modelization equations of six approaches for tracking the sun are recalled and used to evaluate the constraints and performances to which they lead to.The geographical study case is taken for the specific latitude of 12 North that is a good matching with the location of the country of Burkina Faso.Three decisive periods were locally established in order to consider the different travels of the sun on sky during one year.This work presents some technical data which facilitates the choice of sun tracking approaches with concern of a concentrator limits such as its angle of acceptance,its motion control card interpolation model,or its minimum irradiation level for energy conversion effectiveness.
文摘The results of atmospheric effect characterization on the town of Ouagadougou in Burkina Faso are presented and the link with the availability of the direct component of solar radiation is discussed.Experimental meteorological data are treated to set a system of constant references which are used to extrapolate the likely atmospheric effect given by the other experimental meteorological data from 1976 to 2006.As results the periods of strong monthly attenuation of the solar potential are pointed out.
