1. MICE Prototype Coupling Coil Cooling Circuit Design Dan Cheng Lawrence Berkeley National Laboratory Coupling Coil Working Group January 28, 2014 January 28, 2014

2. Prototype Coupling Coil Cooling Circuit Design Page 2 Dan Cheng- Lawrence Berkeley National Lab – January 28, 2014 Coupling Coil Cooling Circuit Status & Design Assembly Interfaces Integration Discussion

3. Prototype Coupling Coil Cooling Circuit Design Page 3 Dan Cheng- Lawrence Berkeley National Lab – January 28, 2014 CC – Cooling Circuit Status 3-D models and 2D drawings complete Drawings currently being reviewed Ready for procurement/fab. early February

4. Prototype Coupling Coil Cooling Circuit Design Page 4 Dan Cheng- Lawrence Berkeley National Lab – January 28, 2014 CC – Cooling Circuit Assembly

5. Prototype Coupling Coil Cooling Circuit Design Page 5 Dan Cheng- Lawrence Berkeley National Lab – January 28, 2014 CC – Cooling Circuit (rear detail)

6. Prototype Coupling Coil Cooling Circuit Design Page 6 Dan Cheng- Lawrence Berkeley National Lab – January 28, 2014 Cooling Circuit – Upper Assembly Viewed from the bottom, back Viewed from the top, front

7. Prototype Coupling Coil Cooling Circuit Design Page 7 Dan Cheng- Lawrence Berkeley National Lab – January 28, 2014 Cooling Circuit – Lower Assembly Flange welded to upper reservoir Bellows supports/ adjusters, before welding

8. Prototype Coupling Coil Cooling Circuit Design Page 8 Dan Cheng- Lawrence Berkeley National Lab – January 28, 2014 Cooling Circuit – Cryocooler Head Condenser head, w/shroud Cernox sensor & feedthru installed

9. Prototype Coupling Coil Cooling Circuit Design Page 9 Dan Cheng- Lawrence Berkeley National Lab – January 28, 2014 Cooling Circuit Assembly Concept Lower assembly welded to Upper reservoir before installing thermal shielding and before installation into cryostat

10. Prototype Coupling Coil Cooling Circuit Design Page 10 Dan Cheng- Lawrence Berkeley National Lab – January 28, 2014 Cooling Circuit Assembly Concept Upper assy welded to lower assembly bellows (adjusted for thermal shrinkage) Requires external support (support rods thru cryocooler vacuum sleeves to hold in place, for instance)

11. Prototype Coupling Coil Cooling Circuit Design Page 11 Dan Cheng- Lawrence Berkeley National Lab – January 28, 2014 Cooling Circuit Assembly Concept HTS leads installed

12. Prototype Coupling Coil Cooling Circuit Design Page 12 Dan Cheng- Lawrence Berkeley National Lab – January 28, 2014 Cooling Circuit Assembly Concept Turret upper thermal shield box installed

13. Prototype Coupling Coil Cooling Circuit Design Page 13 Dan Cheng- Lawrence Berkeley National Lab – January 28, 2014 Cooling Circuit Assembly Concept Place upper turret Flange weld Possible extraction of upper assembly temporary supports before port is covered

14. Prototype Coupling Coil Cooling Circuit Design Page 14 Dan Cheng- Lawrence Berkeley National Lab – January 28, 2014 Cooling Circuit Assembly Concept

15. Prototype Coupling Coil Cooling Circuit Design Page 15 Dan Cheng- Lawrence Berkeley National Lab – January 28, 2014 Cooling Circuit Assembly Concept Cryocoolers installed

16. Prototype Coupling Coil Cooling Circuit Design Page 16 Dan Cheng- Lawrence Berkeley National Lab – January 28, 2014 Integration Questions How should the assembly(ies) will be sent? What qualifications (pressure, vacuum tested)?