• complicated fabrication: the hermetic junction between glass of window and metal of receiver at high temperature. Analysis of Facet Scheme Another scheme was designed in which a facet collector was used instead of a monolithic paraboloid-shaped mirror. Each facet was mounted with special devices on common frame and was positioned separately with respect to the main focus of the whole system. In order to produce a reflecting surface, composite materials were used to manufacture the reflecting surface framework. A layer of aluminum and a protective coating were vacuum deposited on the reflecting surface. All facets are subdivided into six types according to focus length. The package scheme with Kassegrain type collector is shown in Figure 4. There are: 1. tube arrayed frame that reinforce the secondary mirror; 2. fin arrayed tube channel of the radiator; 3. central mirror of collector; 4. petal shaped deployable panel of collector; 5. secondary mirror; 6. receiver with the thermal storage system; 7. framework of the power system; 8. recuperator; 9. rotating unit; 10. the mounting device of petal form part of reflector; Figure 4. Package scheme with Kassegrain type collector.
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