TY - JOUR
T1 - Development of the remote handling connector for ITER divertor diagnostic system
AU - Lyytinen, Janne
AU - Tikka, Petri
AU - Määttä, Timo
AU - Avikainen, Timo
AU - Rantala, Seppo
N1 - Funding Information:
This work has been carried out within the framework of Fusion for Energy (F4E) contract F4E-OPE-0829. The views and opinions expressed herein do not necessarily reflect those of the F4E and ITER Organization. The authors are open to discussion regarding the topics presented in this publication.
Funding Information:
The authors will thank experts from VTT Technical Research Centre of Finland Ltd Jukka Koskinen, Hannu Martikainen, Pekka Kilpeläinen, Hannu Saarinen, Jari Pennanen and Comatec Group Pekka Virtanen, Veikko Puumala, as well as Fusion for Energy (F4E) Miguel Pérez Lasala, Albert Gancedo, and ITER Organization Matthew Clough for their valuable contribution to this work. This work has been carried out within the framework of Fusion for Energy (F4E) contract F4E-OPE-0829. The views and opinions expressed herein do not necessarily reflect those of the F4E and ITER Organization. The authors are open to discussion regarding the topics presented in this publication.
Publisher Copyright:
© 2021 The Author(s)
PY - 2021/4
Y1 - 2021/4
N2 - Diagnostics is a vital system for ITER to collect information during operation. Mineral insulated cables route the electrical and optical diagnostics sensor signals from the divertor area to the diagnostic hall. The diagnostic divertor cassettes are replaced during maintenance, which raises the requirement for a connector between divertor cassette and in-vessel wall. Since it needs to be handled remotely during the installation of the 16 diagnostic divertor cassettes, it is called Remote Handling Connector. Its operating space is limited and its environmental conditions are ultra-high vacuum, baking temperature 350 °C, irradiation and challenging electromagnetic forces. The preliminary design of the Remote Handling Connector is based on the conceptual design of Outboard and Inboard Configurations and is highly impacted by finding an appropriate balance between the external and internal space limitations and system requirements. The design of the system has been an iterative process including several conceptual and mechanical design phases, thermal, magnetic and structural load analysis, risk analysis, and remote handling assessment. Mock-ups were manufactured and tested at Divertor Test Platform 2 and Remote Handling Connector Platform at VTT Tampere Finland. The developed system was evaluated at a preliminary design review meeting organized at the end of 2019. The preliminary design phase provides a baseline for the final design of the Remote Handling Connector system.
AB - Diagnostics is a vital system for ITER to collect information during operation. Mineral insulated cables route the electrical and optical diagnostics sensor signals from the divertor area to the diagnostic hall. The diagnostic divertor cassettes are replaced during maintenance, which raises the requirement for a connector between divertor cassette and in-vessel wall. Since it needs to be handled remotely during the installation of the 16 diagnostic divertor cassettes, it is called Remote Handling Connector. Its operating space is limited and its environmental conditions are ultra-high vacuum, baking temperature 350 °C, irradiation and challenging electromagnetic forces. The preliminary design of the Remote Handling Connector is based on the conceptual design of Outboard and Inboard Configurations and is highly impacted by finding an appropriate balance between the external and internal space limitations and system requirements. The design of the system has been an iterative process including several conceptual and mechanical design phases, thermal, magnetic and structural load analysis, risk analysis, and remote handling assessment. Mock-ups were manufactured and tested at Divertor Test Platform 2 and Remote Handling Connector Platform at VTT Tampere Finland. The developed system was evaluated at a preliminary design review meeting organized at the end of 2019. The preliminary design phase provides a baseline for the final design of the Remote Handling Connector system.
KW - Bridging link
KW - Diagnostics
KW - Divertor
KW - ITER
KW - Remote handling
KW - Remote handling connector
UR - http://www.scopus.com/inward/record.url?scp=85099778711&partnerID=8YFLogxK
U2 - 10.1016/j.fusengdes.2021.112243
DO - 10.1016/j.fusengdes.2021.112243
M3 - Article
AN - SCOPUS:85099778711
SN - 0920-3796
VL - 165
JO - Fusion Engineering and Design
JF - Fusion Engineering and Design
M1 - 112243
ER -
