Just one tap to change the language. Selles rakenduses sisalduv teave ei oma juriidilist staatust. The active cooling option was too complicated and expensive to be considered at this time. Kohustustest loobumine Pestitsiidide etikett, ahora! No WiFi, cell or data connections needed. Kas tõlkida kirjeldus Google'i tõlke abil eesti keelde?
Newberry, B. The auxiliary heating was increased to a total of 8. Consequently, the graphite armor tiles for the ALT-II had to be redesigned to avoid excessively high graphite armor surface temperatures that would lead to unacceptable contamination of the plasma.
The first design change was an increase of the armor tile thermal mass, primarily by increasing the radial thickness of each tile from 17 mm to 20 mm. The reduction in exhaust efficiency is unfortunate, but could be avoided only by active cooling of the ALT-II armor tiles. The active cooling option was too complicated and expensive to be considered at this time.
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The second design change involved redefining the plasma facing surface of each armor tile in order to fully utilize the entire surface area. The incident charged particle heat flux was distributed uniformly over the armor tile surfaces by carefully matching the radial, poloidal and toroidal curvature of each tile to the plasma flow in the TEXTOR boundary layer.
This geometry redefinition complicates the manufacturing of the armor tiles, but results in significant thermal performance gains. In addition to these geometry upgrades, several material options were analyzed and evaluated.