Περίληψη:
The EU programme for the development of the gyrotron for ITER, carried
out in cooperation between European laboratories and industrial
partners, consists of (i) the manufacturing and testing the 2 MW, CW
coaxial cavity gyrotron at 170 GHz meeting both technological
constraints and ITER specifications. This goal will be conducted in
three different steps: 1 s, 60 s and CW; (ii) in parallel, the
development and improvement of critical components for the coaxial
concept will continue. While the coaxial concept provides substantial
advantages in terms of cost and EC power available for the ITER system
with respect to the I MW cylindrical cavity gyrotron, the development
programme entails additional risks due to both the relatively tight
schedule and the developments still required. A fall back option
consisting in a more traditional I MW gyrotron is foreseen in case of
major difficulties in the development of the 2 MW coaxial cavity
gyrotron. This alternative development is expected to benefit from the
successful development of the 140 GHz gyrotron for W7-X; (iii) a Test
Facility for testing at high power, CW the prototype gyrotrons and other
EC H&CD system components has been established at the CRPP, in
Lausanne. The tests with the first prototype of coaxial gyrotron are
currently progressing. A decision point between the coaxial and
cylindrical cavity concept is expected by the end of 2009 when the tests
with the first and refurbished prototype will be available.
Συγγραφείς:
Albajar, F.
Bonicelli, T.
Saibene, G.
Alberti, S.
Fasel,
D.
Goodman, T.
Hogge, J-P.
Pagonakis, I.
Porte, L. and
Tran, M. Q.
Avramides, K.
Vomvoridis, J.
Claesen, R. and
Santinelli, M.
Dumbrajs, O.
Gantenbein, G.
Kern, S. and
Illy, S.
Jin, J.
Piosczyk, B.
Rzesnicki, T.
Thumm, M.
and Henderson, M.
Cirant, S.
Latsas, G.
Tigelis, I.
