WATER-COOLED HEAT LOAD CHOPPER FOR HIGH-ENERGY SYNCHROTRON EXPERIMENTS

机译：水冷热负荷斩波器，用于高能同步加速器实验

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Design considerations and test results for a water-cooled air bearing heat load chopper with integral vacuum chamber are described. This chopper was recently installed at BioCARS Sector 14 where it has been operating at vacuum levels as low as 5×10~(-6) Torr. The heat load chopper is necessary as it protects downstream equipment and samples from damage from an intense X-ray beam. The heat is carried away by coolant that is continuously pumped through the rotating disk. The jitter measurement demonstrated 2 parts per million speed stability, or σ less than 25 ns at speeds of 4,000, 5,000, and 6,000 RPM.

机译：描述了带有一体式真空室的水冷空气轴承热负荷斩波器的设计注意事项和测试结果。该切碎机最近安装在BioCARS部门14中，该切碎机一直在低至5×10〜（-6）托的真空度下运行。热负荷斩波器是必需的，因为它可以保护下游设备和样品免受强X射线束的损坏。热量被冷却剂带走，冷却剂被连续泵送通过转盘。抖动测量表明，在4,000、5,000和6,000 RPM的速度下，百万分之二的速度稳定性，即σ小于25 ns。

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《Annual meeting of the American Society for Precision Engineering》|2012年|30-33|共4页
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Byron Knapp; Dan Oss; Dave Arneson; Tim Graber; Robert Henning; Eric Marsh;
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WATER-COOLED HEAT LOAD CHOPPER FOR HIGH-ENERGY SYNCHROTRON EXPERIMENTS

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