Use of fusible beam plugs for accident mitigation at the LANSCE Complex
- Los Alamos National Lab., NM (United States)
- Amparo Corp., Santa Fe, NM (United States)
The LANSCE accelerator relies on a Radiation Security System to provide personnel protection from prompt beam-induced radiation. System faults inhibit beam generation in ion sources until areas are made safe by the automatic insertion of beam plugs (stoppers) for the affected area. Should system failures occur, final protection is provided by reliably-engineered, redundant fusible beam plugs which can intercept the beam at the accelerator injection energy of 750 keV. These plugs auto-insert on faults of the Radiation Security System, and remain in until the fault clears. They are normally protected by systems designed to shut off or intercept the full-power beam. In the event of failure of these systems, the beam incident on the stainless- steel surface of the plug will cause, the layer of steel to vaporize and open the beam-line to an atmospheric air passage that results in a portion of the accelerator losing vacuum. The low energy beam cannot propagate through air, thus ensuring personnel safety.
- Research Organization:
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- W-7405-ENG-36
- OSTI ID:
- 434338
- Report Number(s):
- LA-UR-96-3580; CONF-970134-7; ON: DE97001581
- Resource Relation:
- Conference: 30. midyear topical meeting of the Health Physics Society, San Jose, CA (United States), 5-8 Jan 1997; Other Information: PBD: [1997]
- Country of Publication:
- United States
- Language:
- English
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