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THE SNS 17ELS224 EXTRACTION LAMBERTSON SEPTUM MAGNET

THE SNS 17ELS224 EXTRACTION LAMBERTSON SEPTUM MAGNET. SNS Extraction Lambertson Septum (ELS) Magnet – UPSTREAM END. SNS Extraction Lambertson Septum (ELS) Magnet – DOWNSTREAM END. The SNS Extraction Lambertson Septum (ELS) Magnet. Extraction Region Plan and Elevation Views.

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THE SNS 17ELS224 EXTRACTION LAMBERTSON SEPTUM MAGNET

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  1. THE SNS 17ELS224 EXTRACTION LAMBERTSON SEPTUM MAGNET

  2. SNS Extraction Lambertson Septum (ELS) Magnet – UPSTREAM END

  3. SNS Extraction Lambertson Septum (ELS) Magnet – DOWNSTREAM END

  4. The SNS Extraction Lambertson Septum (ELS) Magnet

  5. Extraction Region Plan and Elevation Views

  6. Extraction Region Kicker-ELS-RTBT.Q1

  7. ELS elevation schematic (WCS perspective) a b

  8. ELS plan schematic (POP perspective) Q” Lm indicates magnetic arc length

  9. ELS plan schematic (POP perspective)

  10. ELS X-Y cross-section at iron-inlet (WCS perspective) g

  11. ELS X-Y view at upstream end (iron-inlet)

  12. ELS X-Y view at downstream end (iron-outlet)

  13. Beam Sizes at Extraction for Various SNS Operating Modes

  14. ELS Y-Z section schematic (WCS perspective) score lines indicate parallel surfaces and curves

  15. ELS X-Y cross-section: WCS-to-POP transform (thru pitch & roll rotations)

  16. Particle Beam Vector Diagram: EB CL particle resolved into POP components Divergence LOT Pitch CL Pitch Roll EB CL particle velocity vector

  17. POP-WCS coordinate system transformations

  18. POP-to-WCS Coordinate Tranformations: pitch and roll rotations

  19. Physics Parameter Check

  20. Extracted Beam (EB) Field Profile: By plot at 1.0 GeV and 1.3 GeV Opera E/M analyses by N. Tsoupas 1.3 GeV By Gauss By Gauss 1.0 GeV cm

  21. CB field profile: By plot at entrance and exit, Bx plot at exit at 1.0 GeV CB exit CB enter By Gauss By Gauss CB exit cm CB enter Bx Gauss Due to near symmetry at the iron entrance the Bx field component seen by the Circulating Beam (CB) is negligible. Opera E/M analyses by N. Tsoupas

  22. CB end effects: multipoles for 1.0 GeV Opera E/M analyses by N. Tsoupas

  23. ELS Stacked Pancake (2) Coils

  24. ESL and 17D224 universal coil

  25. Coil Design Calculation: configuration, current, cooling, pressure drop

  26. Cooling Water Schematic

  27. Temperature (deg F) Contour Plot of ¼ Coil Cross-section

  28. Septum and Shield Plate Assembly: exploded view

  29. Upper Yoke Assembly: pinning and bolting

  30. RTBT ASSEMBLY

  31. Septum and Shield Plate Assembly: underside with septum reinforcement

  32. Lower Yoke Assembly: pole, pole shims, coils, coil clamp

  33. EBP band clamp

  34. ELS 17D224 Pole Optimization

  35. Vacuum Chamber Y-Weldment: CStl CB tube, SStl EB pipe

  36. Proposed ELS vacuum chamber fabrication procedure

  37. Kinematics System: pinned, slotted, and floating wedges

  38. The SNS Extraction Lambertson Septum (ELS) Magnet

  39. The SNS Extraction Lambertson Septum (ELS) Magnet

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