High specific pumping cryopanel for LHD neutral beam injector

O. Kaneko; A. Ando; T. Kuroda; Y. Oka; Y. Takeiri; K. Tsumori; K. Yamamoto; K. Wakabayashi; Y. Iwasa; T. Kai

doi:10.1016/0920-3796(93)90088-Y

High specific pumping cryopanel for LHD neutral beam injector

O. Kaneko, A. Ando, T. Kuroda, Y. Oka, Y. Takeiri, K. Tsumori, K. Yamamoto, K. Wakabayashi, Y. Iwasa, T. Kai

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

A high specific pumping cryopump system is designed for the neutral beam injector of the Large Helical Device (LHD NBI). The cryopump consists of several module panels that have the radiation shield of louver blind baffle structure. Two types of the louver blind baffle are designed, and both show the particle transparent efficiency over 50% according to the Monte Carlo simulation. This prediction was confirmed by test on the small model cryopump. The engineering models of these pumps, with a pumping speed of 450 m³/s each, are now under construction for the test stand of LHD NBI.

Original language	English
Pages (from-to)	519-523
Number of pages	5
Journal	Fusion Engineering and Design
Volume	20
Issue number	C
DOIs	https://doi.org/10.1016/0920-3796(93)90088-Y
Publication status	Published - 1993 Jan
Externally published	Yes

ASJC Scopus subject areas

Civil and Structural Engineering
Nuclear Energy and Engineering
Materials Science(all)
Mechanical Engineering

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10.1016/0920-3796(93)90088-Y

Cite this

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abstract = "A high specific pumping cryopump system is designed for the neutral beam injector of the Large Helical Device (LHD NBI). The cryopump consists of several module panels that have the radiation shield of louver blind baffle structure. Two types of the louver blind baffle are designed, and both show the particle transparent efficiency over 50% according to the Monte Carlo simulation. This prediction was confirmed by test on the small model cryopump. The engineering models of these pumps, with a pumping speed of 450 m3/s each, are now under construction for the test stand of LHD NBI.",

author = "O. Kaneko and A. Ando and T. Kuroda and Y. Oka and Y. Takeiri and K. Tsumori and K. Yamamoto and K. Wakabayashi and Y. Iwasa and T. Kai",

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T1 - High specific pumping cryopanel for LHD neutral beam injector

AU - Kaneko, O.

AU - Ando, A.

AU - Kuroda, T.

AU - Oka, Y.

AU - Takeiri, Y.

AU - Tsumori, K.

AU - Yamamoto, K.

AU - Wakabayashi, K.

AU - Iwasa, Y.

AU - Kai, T.

PY - 1993/1

Y1 - 1993/1

N2 - A high specific pumping cryopump system is designed for the neutral beam injector of the Large Helical Device (LHD NBI). The cryopump consists of several module panels that have the radiation shield of louver blind baffle structure. Two types of the louver blind baffle are designed, and both show the particle transparent efficiency over 50% according to the Monte Carlo simulation. This prediction was confirmed by test on the small model cryopump. The engineering models of these pumps, with a pumping speed of 450 m3/s each, are now under construction for the test stand of LHD NBI.

AB - A high specific pumping cryopump system is designed for the neutral beam injector of the Large Helical Device (LHD NBI). The cryopump consists of several module panels that have the radiation shield of louver blind baffle structure. Two types of the louver blind baffle are designed, and both show the particle transparent efficiency over 50% according to the Monte Carlo simulation. This prediction was confirmed by test on the small model cryopump. The engineering models of these pumps, with a pumping speed of 450 m3/s each, are now under construction for the test stand of LHD NBI.

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JO - Fusion Engineering and Design

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High specific pumping cryopanel for LHD neutral beam injector

Abstract

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