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Absorber Design for Synchrotron Radiation Sources

Explore innovative absorber design concepts incorporating grooves, slots, and distributed systems for synchrotron radiation sources. Enhance stress reduction, increase heat dissipation capacity, and optimize performance. Learn about materials, expansion limits, and thermal conductivity.

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Absorber Design for Synchrotron Radiation Sources

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  1. Absorber Design for Synchrotron Radiation Sources S.Hermle, D.Einfeld, E.Huttel (FZK); G.Heidenreich(PSI) PAC99 S.Sharma,E.Rotela,A.Barcikowsk (APS) MEDSI00 L.Zhang, J.C.Biasci, B.Plan (ESRF) MEDSI02

  2. SR Radiation Power

  3. ANKA Absorber Design Storage ring: Lumped Absorber Distributed Absorber Front Ends. Mask Shutter

  4. Basic Absorber 10000 W / K m2 40 W / mm Cu: Conductivity: 380 W / Km Young module 120 GPa Expansion 0.000017 1 / K

  5. Material - Limits

  6. At the limit, what to do? Decline the Absorber 0.95 m > 1.7 m eff. Increase source distance: 1.3 m > 1.7 m Increase water flow Increase boundary surface Special: grooves and slots

  7. Basic Plate and Plate with Grooves (APS) 40 W / mm Tmax: 150 Tbound: 95 Tmax: 195 Tbound: 100

  8. ANKA,SLS,..SOLEIL (Heidenreich PSI) Tmax: 132 Tbound: 80 Tmax: 132 Tbound: 90 Stress reduction by allowing expansion

  9. Distributed Absorber Cu to LN316 bonded LN316 Al Extruded P: 5 W/mm Tmax: 75 °C Tbound 40 °C P: 2 W/mm Tmax: 60 °C Tbound 40 °C P: 0.5 W/mm Tmax: 50 °C Tbound 30 °C

  10. Front End SR Shutter (20 kW) P/l: 260 W / mm P/a: 6.5 W / mm2 A: 40 x 75 mm2 Tmax: 480 °C Tbound: 200 °C FMB ASP Shutter Absorber for reflected radiation

  11. ESRF Concept Vertical Declination Horizontal Declination (ESRF)

  12. ESRF Concept P/l: 260 W / mm P/a: 6.5 W / mm2 A: 40 x 75 mm2 Tmax: 340 °C Tbound: 100 °C P/l: 50 W / mm P/a: 25 W / mm2 A: 2 x 400 mm2 Tmax: 190 °C Tbound: 50 °C

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