NDLI: Preliminary design of ITER component cooling water system and heat rejection system

Content Provider	IEEE Xplore Digital Library
Author	Kumar, A.G.A. Gupta, D.K. Patel, N. Gohil, G. Patel, H. Dangi, J. Sharma, L. Jadhav, M. Teodoros, L. Gopalapillai, B. Ployhar, S. Dell'Orco, G.
Copyright Year	2013
Description	Author affiliation: ITER Organ., St. Paul-lez-Durance, France (Teodoros, L.; Gopalapillai, B.; Ployhar, S.; Dell'Orco, G.) \|\| GIDC Electron. Estate, Inst. for Plasma Res., Gandhinagar, India (Kumar, A.G.A.; Gupta, D.K.; Patel, N.; Gohil, G.; Patel, H.; Dangi, J.; Sharma, L.; Jadhav, M.)
Abstract	Being an experimental facility, the entire fusion power of ITER Tokamak needs to be rejected to the atmosphere with the help of Cooling Water System. The heat generated in the Tokamak is 847 MW whereas that of auxiliary heating systems and supporting systems is approximately 300 MW. The heat generated in the Tokamak is transferred through Tokamak Cooling Water System (TCWS) to Component Cooling Water System (CCWS) and then to the Heat Rejection System (HRS). The HRS which acts as the heat sink finally rejects the heat to the atmosphere. As ITER Tokamak will operate in a cyclical manner during various scenarios, the real challenge lies in providing an optimized HRS design which can accommodate the short duration pulses, when the incoming heat is approximately 1150 MW and also the comparatively longer dwell periods, when heat input is a small fraction of that. A significant challenge in the design of CCWS is that the system must remove the intermittent pulse-triggered heat loads along with the normal continuous auxiliary systems heat loads, while maintaining stable cooling water temperatures, pressures and flows through the Tokamak and the components of plant auxiliary systems. This paper describes the optimized CCWS design which meets the system requirements and seamlessly transfers the heat generated in the Tokamak, components of auxiliary and supporting systems to HRS. This paper also highlights the challenges encountered during the preliminary design and describes the development of a viable optimized HRS design solution which is capable of rejecting the heat to the atmosphere and maintaining the basin temperature within prescribed limit.
Starting Page	1
Ending Page	5
File Size	476561
Page Count	5
File Format	PDF
e-ISBN	9781479901715
DOI	10.1109/SOFE.2013.6635383
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-06-10
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Water heating Cooling Plasma temperature Tokamaks Heat transfer ITER heat rejection cooling water system Tokamak
Content Type	Text
Resource Type	Article

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