Optimized mirror cleaning strategies in parabolic trough plants

What is it about?

potential improved cleaning strategies were tested through detailed dynamic simulation with an attempt to realize the relation between the cleaning water consumption and the specific cost of cleaning as well as to identify the optimum cleaning strategy for a specific site answering the question when and which collector should be cleaned.

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Why is it important?

Spatiotemporal distribution of cleanliness in the solar field and individual loop simulation were taken into account in order to consider the effect of the non-homogenous cleanliness on the outlet temperature of the solar field. Additionally, the cleaning processes have been modelled based on the characteristics of ECILIMP cleaning trucks obtained from several on-site and laboratory scale tests.