First Microphonics Workshop

8 Oct 2015, 08:00 → 9 Oct 2015, 14:00 US/Central

Hurricane Deck (D0 Assembly Building)

Warren Schappert (Fermilab), Yuriy Pischalnikov (Fermilab)

The first workshop for discussion of microphonics and vibration issues including experience from previous machines and discussion of requirements for future machines.

Thursday, 8 October

Introduction: First Session

Conveners: Dr Jeremiah Holzbauer (Fermi National Accelerator Laboratory), Warren Schappert (Fermilab), Dr Yuriy Pischalnikov (Fermilab)

1 Introduction

Speaker: Dr Vyacheslav Yakovlev (FNAL)

Slides Objectives_of_the_meeting.pptx

2 Challenges of PIP-II

Speaker: Warren Schappert (Fermilab)

Slides Challenges_of_PIP-II.pptx

3 Challenges of LCLS-II

Speaker: Larry Doolittle (LBNL)

Slides LD_challenges.pdf

4 FNAL Resonance Control State of the Art

Speaker: Dr Jeremiah Holzbauer (Fermi National Accelerator Laboratory)

Slides FNAL_Resonance_Control_State_of_the_Art.pdf FNAL_Resonance_Control_State_of_the_Art.pptx

Video

• Adaptive_LFD_Compensation.avi
• delayscan.avi
• piezo_cavity_4.wav

5 Resonance Control as part of a LLRF system

Speaker: Larry Doolittle (LBNL)

document sel4.pdf

Slides LD_resonance.pdf

6 He Pressure, Cavity Heating, and Microphonics in C100 Cryomodules

Speakers: C Mounts (JLab), Mr Curt Hovater (Jefferson Lab)

document Impact_of_CM_Return_Pressure-4.docx

Slides 0L04_Helium_pressure_induced_instabilities.pptx

7 0L04 Cryomodule Microphonics Measurements

Speaker: Dr Tomasz Plawski (JLAB)

Slides 0L04_Microph_presentation_plawski.ppt

10:30 Coffee Break

Machine Experience: Session 2

Conveners: Dr Jeremiah Holzbauer (Fermi National Accelerator Laboratory), Warren Schappert (Fermilab), Dr Yuriy Pischalnikov (Fermilab)

8 Transient Effects and Examples of JLab Results

Speaker: Mr Tom Powers (Jefferson Lab)

document 04-039_arc_recovery_tech_note.pdf TN02-049_frequency_measurements_of_SNS_medium_beta.pdf

Slides LCLS_II_Microphonics_mtg_Powers_Oct2015.pdf

9 Experience at FRIB

Speaker: John popielarski (FRIB)

Slides FRIB2.pptx FRIB.pptx

10 Experience at Cornell

Speaker: Prof. Matthias Liepe (Cornell University)

Slides Cornell_microphonicsV2.pptx

11 General Narrowband Noise Cancellation Development at the APS

Speaker: Mr Tim Berenc (Argonne National Laboratory)

Slides Berenc_FNAL-MicrophonicsWorkshop.pdf

Video

• NoiseSuppressDemo.avi
• NoiseSuppressDemo.mp4
• NoiseSuppressDemo.ogv

12:40 Lunch

Lunch Break

Cavity Engineering: Session 3

Conveners: Dr Jeremiah Holzbauer (Fermi National Accelerator Laboratory), Warren Schappert (Fermilab), Dr Yuriy Pischalnikov (Fermilab)

12 Microphonics at HTS

Speaker: Dr Jeremiah Holzbauer (Fermi National Accelerator Laboratory)

Slides HTS_Vibration_Experience.pdf HTS_Vibration_Experience.pptx

13 PIP-II 325 MHz optimization

Speaker: Leonardo Ristori (Fermilab)

Slides Ristori-Workshop-8Oct2015.pptx

14 PIP-II 650 MHz optimization

Speaker: Timergali Khabiboulline (FNAL)

Slides PIP-II_650MHz_optimization_Khabiboulline.pdf

15 Tuner Reliability for Narrow Bandwidth SRF Cavities

Speaker: Dr Yuriy Pischalnikov (Fermilab)

Slides LCLS_II_transfer_function__.pptx Piezo_reliability_R&D_Oct_8.pptx

16 Best Engineering Practice Guidance for PIP-II ancillary system design

Speaker: Mr Curtis Baffes (Fermilab)

document Best practices document - for reference only - latest version stored in teamcenter

Slides Vibration_best_practices_for_PIP-II.pdf Vibration_best_practices_for_PIP-II.pptx

17 Discussion

Speaker: Dr Jeremiah Holzbauer (Fermi National Accelerator Laboratory)

Friday, 9 October

Round Table Discussion

10:30 Coffee Break

Concluding Remarks

Conveners: Dr Jeremiah Holzbauer (Fermi National Accelerator Laboratory), Warren Schappert (Fermilab), Dr Yuriy Pischalnikov (Fermilab)