Dynamic simulation of ITER cryogenic system under D-T operation

R. Maekawa, S. Takami, A. Iwamoto, H. S. Chang, D. Grillot

Research output: Contribution to journalConference articlepeer-review

3 Scopus citations

Abstract

Co-simulation of Cryoplant and Tokamak superconducting magnet system (referred to as Magnet) has been performed to characterize operating condition associated with control strategies. Cryoplant model, developed by EcosimPro®, consists of three identical refrigerators connected with integrated Cryoplant Termination Cold Box (CTCB) which distributes the coolant to five Auxiliary Cold Boxes (ACB) for Magnet and CryoPump (CP) cooling. Meanwhile, Magnet model, developed by Visual Modeler®, consists of Toroidal Field (TF) coil, Central Solenoid (CS), TF STructure (ST) and Poloidal Field (PF)/Correction Coil (CC). Magnet model computes thermo-hydraulic behavior of a forced-flow Supercritical Helium (SHe), with specified thermal energy deposition along the conductor in the case of Deuterium-Tritium (DT) operation as well as plasma disruption followed by the fast energy discharge of CS and PF. Global simulation of ITER cryogenic system provides its operating characteristics for complex cryogenic processes. The paper discusses the coupling of Cryoplant and Magnet models and the control strategy for Cryoplant to manage substantial dynamic heat loads.

Original languageEnglish
Article number012082
JournalIOP Conference Series: Materials Science and Engineering
Volume755
Issue number1
DOIs
StatePublished - Jun 29 2020
Externally publishedYes
Event2019 Cryogenic Engineering Conference, CEC 2019 - Hartford, United States
Duration: Jul 21 2019Jul 25 2019

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