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BL 5.4 M1 Mirror Design Review

This design review evaluates the M1 Mirror assembly for the BL.5.4 sector storage ring, including the environmental hutch, existing enclosure, and booster shielding. It explores the design of the M1 Mirror, its components, and cooling mechanisms. The analysis also includes FE results for maximum temperature and stress levels.

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BL 5.4 M1 Mirror Design Review

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  1. BL 5.4 M1 Mirror Design Review Environmental Hutch Existing Enclosure Booster Shielding Sector 5 Storage Ring ElectronicRacks BL5.4 IR Beamline Troy Stevens 3-14-08

  2. BL 5.4 M1 Mirror Design Review M3-Mirror M6-Mirror M2-Mirror Sector 5 Storage Ring M1-Mirror M4-Mirror M2-Mirror Transfer Line M5-Mirror BL5.4 IR Beamline Troy Stevens 3-14-08

  3. BL 5.4 M1 Mirror Design Review M3 Mirror M2 Mirror M1 Mirror Diamond Window BL5.4 Front End Components Troy Stevens 3-14-08

  4. BL 5.4 M1 Mirror Design Review Bend Magnet Radiation 17 mrad H x 69 mrad W BL5.4 Accepted Fan Troy Stevens 3-14-08

  5. BL 5.4 M1 Mirror Design Review • M1 Mirror Description • The M1 Mirror assembly is a planar optic designed to intercept 69 mrad horizontal by 17 mrad vertical of the bend magnet radiation from a source at a distance of 0.818 m at a 45 degree angle of incidence. • The M1 Mirror optic cartridge consists of an internally cooled Glidcop optical surface/hot wall brazed to Glidcop substrate which is brazed to a stainless steel shaft/flange. • The M1 Mirror assembly uses a mechanism to insert and withdraw the M1 Mirror from the beam path. This mechanism consists of three pneumatic cylinders plumbed in parallel. It has two adjustable limit switches to indicate the position (in or out) of beam to the EPS system. There’s a kinematic system consisting of commercially available balls and rods along with guide rods to guide and return the mirror to a repeatable position when inserted in to beam path. • The M1 Mirror optic surface/hot wall is tapered away from face to “shadow” braze joint so that it sees no heat load. • The M1 Mirror assembly has adjustable features that allow for depth and angular adjustment with respect to storage ring chamber. Troy Stevens 3-14-08

  6. BL 5.4 M1 Mirror Design Review Troy Stevens 3-14-08

  7. BL 5.4 M1 FEA Results, full heat load, 4th Design Max temp: ~225 C Max stress: ~203 MPa

  8. BL 5.4 M1 FEA Results, 4th Design • AL-15 GlidCop: “safe” temp to avoid creep <300C, yield stress ~400 MPa • Flux density: ~80 W/mm2, Total power: ~1.9 kW • Cooling parameters: water, 3 GPM total flow rate (0.25 per channel) • Film coefficient 14,837 W/m^2*K, typical value in many BL optics • At full heat load, max temp: ~225 C, max stress: ~203 MPa • Mirror should survive for both temp, stress.

  9. BL 5.4 M1 Mirror Design Review Hot Wall/Optic Face Cooling Passages Air Guard Passages REM Seal Joint Helicoflex Seal Joint Cross-Sections Thru Optic Troy Stevens 3-14-08

  10. BL 5.4 M1 Mirror Design Review Hot Wall Water Passages Cooling Grooves Air Guard Passages Water Passages Mirror Substrate Air Guard Passages Mounting Flange w/ Helicoflex Gasket Seal Water Passages Support Shaft/Manifold Air Guard Passages Troy Stevens 3-14-08 Mirror Cartridge Brazement/Weldment

  11. BL 5.4 M1 Mirror Design Review Kinematic Support Mount And Insertion Cartridge Removable Optic Cartridge M1 Mirror Assembly Troy Stevens 3-14-08

  12. BL 5.4 M1 Mirror Design Review Optic Retracted Troy Stevens 3-14-08 Optic Inserted

  13. BL 5.4 M1 Mirror Design Review Mirror Inserted Into Modified Chamber Mirror Inserted Into Existing Chamber Troy Stevens 3-14-08

  14. BL 5.4 M1 Mirror Design Review BL5.4 M1 Mirror Kinematic Mount Weldment Fixtures Troy Stevens 3-14-08

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