Workshop on Vacuum extension diagnostic systems, from design to operation

ITER Site Meeting room – 022/B81 Route de Vinon sur Verdon 13115 Saint Paul les Durance FRANCE
Raphael Tieulent (IO)

The main objective of the workshop is to facilitate the exchange of valuable information between experts in vacuum extension diagnostic systems, concerning design, installation, operation and maintenance solutions. This collaborative effort is set to play a vital role in the seamless execution of these vital diagnostics.

The workshop agenda (ITER_D_9R7URQ) includes the following main areas of discussion:

  • Standardization of load specifications and best analysis practices;
  • Innovative solutions for vacuum extension systems:  to share the latest developments in design solutions for various components of vacuum extension systems, including bellows, feedthroughs, baking procedures, detector cooling, etc;
  • Design and integration good practices including EMC;
  • Installation and maintenance strategies: to get in-depth information on installation and maintenance strategies. Topics include ISS/PCSS connection and disconnection procedures, SIC inspection protocols and leak testing methodologies.
  • Diagnostics commissioning procedures and operational modes.


The non-exhaustive list of involved diagnostics is:

  • XRay systems (E5, ED, EI, E7);
  • VUV systems (E3, EG, EH);
  • Thomson Scat. systems (C1, C2);
  • Neutral Part. analyser (E8);
  • Dust Monitor (G9);
  • RGA (G4).


The agenda of the meeting is available on IDM: 


Presentations will be uploaded in the folder: 

  • Monday, October 30
    • 1
      Welcome Message
      Speaker: Roger Reichle (IO-CT)
    • 2
      Workshop description
      Speaker: Raphael Tieulent (IO)
    • 3
      Vacuum extensions: relevant aspects of loads definition, engineering analysis and integrity assessment
      Speaker: Julio Guirao (IO-CT)
    • 4
      Installation strategy of PortPlug - ISS and PCSS for Port with vacuum extensions
      Speaker: Maxim Ivantsivsky
    • 11:00 AM
      Coffee break
    • 5
      Technical Specifications of the pipes in-bore cutting and welding tool
      Speaker: Ricardo Alvarez (IO-CT)
    • 6
      ISS disconnection strategies
      Speaker: Fabien Josseaume (IO-CT)
    • 7
      Foreseen maintenance operations to be held in L3 of the Hot Cell Complex
      Speaker: Antonio Cuellar Aguayo (IO-CT)
    • 12:45 PM
      Lunch break
    • 8
      Universal circular bellows conceptual design for XRCS edge & survey
      Speaker: Avik Bhattacharya (IN-DA)
    • 9
      Introduction to SJM, a bellows specialist company
      Speaker: Hong-Kiun Lee (SJM)
    • 10
      Design and development of the bellows for vacuum extension pipes of ITER VUV spectrometers
      Speaker: Changrae Seon (KO-DA)
    • 3:30 PM
      Coffee Break
    • 11
      Status of double wall safety bellows based rotary feedthrough development
      Speaker: Young Hwa An (KO-DA)
    • 12
      Implementation of a maintainable vacuum extension in the ITER Port Cell environment
      Speaker: Thomas Keenan (IO-CT)
  • Tuesday, October 31
    • 13
      Design of the baking jacket for 55.E5 XRCS Core
      Speaker: Zhifeng Cheng (IO-CT)
    • 14
      Status of R&D for Diamond based X-ray filter
      Speaker: Tianbo Wang (IO-CT)
    • 10:30 AM
      Coffee break
    • 15
      Development of electrical feedthrough for Radial Xray external camera
      Speaker: Hong Yu (ASIPP)
    • 16
      VAT Valves qualification (temporary title)
      Speakers: Aakanksha Saxena (IO-CT), Eamonn Quinn (IO-CT)
    • 17
      Grounding scheme guidance for vacuum extensions
      Speaker: Yan Rao (IO-CT)
    • 12:20 PM
      Lunch break
    • 18
      Guidelines for preparing the Concept of Operation for diagnostics systems
      Speaker: Maximos Tsalas (IO-CT)
    • 19
      System commissioning and integrated commissioning
      Speaker: Adrien Deydier (IO-CT)
    • 20
      JET return of experience
      Speaker: Ivor Coffey (JET)
    • 3:30 PM
      Coffee break
    • 21
      Open discussion: open issue to address, design/development needs, actions to follow-up
      Speaker: Raphael Tieulent (IO)