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Recording non-local temperature rise in the RTPtokamak

G M D Hogeweij, P Mantica, G Gorini, J de Kloe, N J Lopes Cardozo, the RTP team2000年Plasma Physics and Controlled FusionIF 2.2出版社

In the Rijnhuizen Tokamak Project (RTP) plasmas with electron cyclotron heating(ECH), a transient rise of the core Teis observed when hydrogen pellets are injectedtangentially to induce fast cooling of the peripheral region.The core Te rise is a sharp functionof the normalized power deposition radius (ρdep).The strongest effect (δTe up to 80%) is observed whenρdep isjust inside the q = 1 surface, whereas only modest effects areseen with larger or smaller ρdep.The rise is due to both a steepening of the Te profile betweenthe q = 1 and q = 2 surfaces, and a peaking inside ρdep.

日本語訳

Rijnhuizen Tokamak Project(RTP)プラズマにおいて、電子サイクロトロン加熱(ECH)中に、水素ペレットを接線方向に入射して周辺領域の急速冷却を誘起すると、コア部のTeの一時的な上昇が観測される。コア部のTe上昇は、規格化パワー堆積半径(ρdep)の鋭い関数である。最も強い効果(δTe最大80%)は、ρdepがq = 1面の直内側にあるときに観測され、ρdepがそれより大きい場合または小さい場合には、効果はわずかである。この上昇は、q = 1面とq = 2面の間でのTe分布の急峻化と、ρdep内側でのピーキングの両方によるものである。

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