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Journal article

On the Drag Effect of a Refuelling Pellet

By Chang, Tinghong1,2,3; Michelsen, Poul3,4

From

Microbial Engineering, Biosystems Division, Risø National Laboratory for Sustainable Energy, Technical University of Denmark1

Biosystems Division, Risø National Laboratory for Sustainable Energy, Technical University of Denmark2

Risø National Laboratory for Sustainable Energy, Technical University of Denmark3

Plasma Physics and Technology Programme, Risø National Laboratory for Sustainable Energy, Technical University of Denmark4

A refueling pellet is subjected mainly to two kinds of drags: (1) inertial drag caused by the motion of the pellet relative to the surrounding plasma, and (2) ablation drag caused by an uneven ablation rate of the front and the rear surface of the pellet in an inhomogeneous plasma. Computational results showed that for reasonable combinations of pellet size and injection speed, the drag effect is hardly detectable for plasma conditions prevailing in current large tokamaks.

Language: English
Publisher: Kluwer Academic Publishers-Plenum Publishers
Year: 1981
Pages: 253-257
ISSN: 15729591 and 01640313
Types: Journal article
DOI: 10.1007/BF01050358
ORCIDs: Michelsen, Poul
Keywords

Engineering Nuclear Engineering Pellet refueling ablation models drag effect penetration depth

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