Recent results on high heat flux testing of hypervapotron beam stopping elements are discussed. Two issues are being addressed: a) fatigue lifetime of components presently used at JET, and b) performance of the optimised hypervapotron element for the new Box Scraper. Results of the tests confirmed that a) beam stopping elements installed at JET can be used with confidence for several more years, and b) new hypervapotron element can sustain higher power load (peak power density of 13 MW/m/sup 2/ and total power of 0.7 MW) at moderately increased water flow velocity.
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机译：讨论了近期对高热通量试验的高热通量试验。正在解决两个问题：a）目前用于喷射器的组件的疲劳寿命，b）用于新箱刮刀的优化超曲折素元件的性能。测试结果证实，A）安装在喷射器的束停止元件可以置信几年，B）新的超高效元件可以维持更高的功率负载（峰值功率密度为13 MW / m / sup 2 /和总共水流量增加0.7 mW的功率。
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