Power deposition and margins and margins on the Tore Supra pump limiter and fabrication of the high heat flux components

摘要

A complete toroidal pump limiter (TPL) is being built at Tore Supra. This limiter will cover 7.5 m~2 of the bottom part in the vacuum inner vessel. It will be composed of 574 elementary high heat flux components facing the plasma, named fingers. Below the limiter in the pumping throat, 48 other fingers are positioned as neutraliser elements. All the fingers, made of CuCrZr alloy, are actively cooled by pressurised water and covered with carbon fiber composities (CFC).