WAMSDO 2013 - Workshop on Accelerator Magnet, Superconductor, Design and Optimization - 15-16 January, Bldg. 6/2-024

Contribution List

0. Welcome

Gijs De Rijk (CERN)

15/01/2013, 09:00

17. Quench 101

Mr Luca Bottura (CERN)

15/01/2013, 09:15

basics of quench thermal, electric and hydraulic phenomena. Physic models and their nature. Hot-spot, effect of cooling, helium flows. Voltages. Temperature gradients and thermal stresses. Propagation. Protection strategies depending on magnet size - scalings.

2. coffee break

15/01/2013, 10:15

20. Quench protection for the LHC

Arjan Verweij (CERN)

15/01/2013, 10:30

Quenches experienced, natural (training), induced (beam), triggered (QH discharge) during operation. Quench propagation in the string. Quench protection in the machine vs. test benches (threshold, filters, etc.). Preventive thresholds (BLM) and related issues.

18. Quench limits in the next generation of magnets

Dr Ezio Todesco (CERN)

15/01/2013, 11:30

What are the physical limits and how close to those limits should a magnet be during quenching, what will the new magnets in LHC require from QD+P point of view ?

33. New ideas on quench detection and protection

Gijs De Rijk (CERN), Mr Luca Bottura (CERN)

15/01/2013, 12:15

5. lunch break

15/01/2013, 12:45

22. Modelling quenches - a review of the tools

Helene Felice (Lawrence Berkeley National Lab. (LBNL))

15/01/2013, 14:00

physics, programming, validation, distribution and availability

24. Quench in HTS magnets

Justin Schwartz (North Carolina State University)

15/01/2013, 14:30

physics and issues. State-of-the-art

10. coffee break

15/01/2013, 15:00

25. Topic 1: Heat transfer and quench propagation from quench heaters

Tiina Salmi (Lawrence Berkeley National Laboratory)

15/01/2013, 15:30

modeling, issues, limits, ideas

34. Topic 2: Detecting mechanical vibrations in superconducting magnets for quench detection and diagnostics

Mr Maxim Marchevsky (LBNL)

15/01/2013, 16:00

36. Topic 3: Propagation speed

Herman Ten Kate (CERN)

15/01/2013, 16:20

adiabatic, cooled, transverse, LTS, HTS, helium mediated - (some of this could also be in the first talk on basic quench theory)

39. Topic 5: Considerations on Quenching HTS Coils

Matthieu Dalban-Canassy (Florida State University)

15/01/2013, 16:40

26. Case study 1: Models and experimental results from the HQ-LQ and QXF

Giorgio Ambrosio (Fermilab)

16/01/2013, 09:00

27. Case study 2: Models and experimental results from the 11 T DS Nb3Sn dipole

Guram Chlachidze (Fermilab)

16/01/2013, 09:20

28. Case study 3: Models and experimental results from the wide aperture Nb-Ti magnets MQXC, D1 and Q4

Glyn Kirby (CERN)

16/01/2013, 09:40

29. Case study 4: Quench analysis for the HD program

16/01/2013, 10:00

14. coffee break

16/01/2013, 10:20

31. Case study 5: Protection of Fresca2

Philippe Fazilleau (DAPNIA)

16/01/2013, 10:50

32. Case study 6: Protection of insert-outsert combined magnets

Antti Aleksis Stenvall (Tampere University of Technology)

16/01/2013, 11:10

38. Case study 7: Radiation damage effects on RRR

Rene Flukiger (Florida State University (US))

16/01/2013, 11:30

43. discussion, what are the actions we need ?

16/01/2013, 11:50

44. closing of the workshop

Gijs De Rijk (CERN)

16/01/2013, 12:30

15. lunch break

16/01/2013, 12:35

23. A view into the future: what will the new magnets in LHC require from QD+P point of view?

30. Case study 5: Detection thresholds for quenches, experience from the LHC

40. Case study 8: Quenching the 32 T LTS-YBCO magnet

Patrick Noyes (Florida State University)

16. coffee break

21. Quench protection of superconducting links and current leads

Issues of quench protection in composite LTS/HTS devices, quench protection practice for HTS. Protection of long HTS cables. Pressure increase in pipes ?

19. Report on quenches in LHC - the magnets and their operation side

42. special seminar: Development of a textured powder Bi-2212/Ag conductor and Overpressure Processing of Bi-2212 Structured Cables

Kyle Damborsky (Texas A&M University)

35. Topic 3: Quench detection

37. Topic 5 Power circuits : diodes, switches etc.

technical choices, state-of-the-art and future perspective

41. Topic 6:

Thibauld Lecrevisse (CEA-Saclay)