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ABSTRACT
Solar furnaces are unique research tools in the field of high temperatures. The first part of this article is devoted to the explanation of the operating principles of these furnaces, and the different technologies they employ, focusing on the optical elements. The concentration systems and their factors, maximum theoretical concentration, or the causes of the enlargement of the focal zone are also discussed. Applications in the field of high temperature materials are then reviewed (material development, testing and qualification of such materials). The applications in the field of the production of energy vectors conclude this article.
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Gilles FLAMANT: ENSCP engineer, CNRS research director - Director, Laboratory for Processes, Materials and Solar Energy Promes-CNRS/VPR 8521
INTRODUCTION
Solar furnaces are unique research tools in the field of high-temperature materials and processes.
This dossier presents the optical elements defining the characteristics of concentrated solar flux at the focus of a solar furnace. It also defines the problem of temperature measurement, in the presence of disturbances linked to reflected radiation. It then goes on to describe the characteristics of European solar furnaces.
The last part is devoted to a review of their applications in various scientific and technological fields, from materials development to hydrogen production.
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Solar furnaces
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