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2012年串列加速器升级工程部承担的100MeV回旋加速器设计、研制工作取得了较大的进展,其真空系统中低温传输管线的结构设计情况如下。1低温传输管线的要求传输冷量功率:200W@20K、1600W@80K;设计压力:2MPa;真空泄漏率:<5×10-7Pa·L/s;平均漏热:<1W/m;内外管夹层真空:好于1×10-2Pa;
The design and development of the 100MeV cyclotron undertaken by the tandem accelerator upgrade engineering department in 2012 has made great progress. The structural design of the low-temperature transmission line in the vacuum system is as follows. 1 low temperature transmission line requirements Transfer cooling capacity: 200W @ 20K, 1600W @ 80K; design pressure: 2MPa; vacuum leak rate: <5 × 10-7Pa · L / s; average heat leakage: <1W / m; Mezzanine vacuum: better than 1 × 10-2Pa;