Digital twin and solar flux
One of the major challenges in the energy sector is the optimization of the implementation as well as the efficiency of concentrated solar thermal power plants. It is in this context that we were able to develop the digital twin of a power plant within the framework of a partnership with the CNRS.
The CNRS Themis team is a laboratory that works on energy production using CSP (Concentrated Solar Power) technology. This technology consists of concentrating the solar flux via a field of heliostats, which can be controlled, at the level of a tower comprising a receiver. This receiver transforms solar energy into electrical energy. As part of the PEGASE project, the Thémis team’s priority was to restore the heliostat field and equip the receiver tower.
Current receiver technologies are robust technologies that can accommodate uneven solar fluxes (presence of hot spots). In order to increase yields, the CNRS wishes to test more efficient receivers, based on ceramics and the latter need a solar flux with no hot spot.
The main challenge of this project is to be able to control the flow in terms of total power absorbed by the receiver but also in terms of spatialization and avoid at all costs hot spots that could cause the receiver to burst.
Digital twin: definition
A digital twin is a virtual model of a complex process or system, updated through a process of capturing and processing data.
At OSE, we have already used this method in a smart shipping tool.
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The first phase of this project (solar flux quantification methodology) resulted in the publication of an article in the journal AIP Conference Proceedings.