Real-time mass measurement of dust particles deposited on vessel wall in a divertor simulator using quartz crystal microbalances

Mizuki Tateishi; Kazunori Koga; Ryu Katayama; Daisuke Yamashita; Kunihiro Kamataki; Hyunwoong Seo; Naho Itagaki; Masaharu Shiratani; Naoko Ashikawa; Suguru Masuzaki; Kiyohiko Nishimura; Akio Sagara

doi:10.1016/j.jnucmat.2014.10.049

Real-time mass measurement of dust particles deposited on vessel wall in a divertor simulator using quartz crystal microbalances

Mizuki Tateishi, Kazunori Koga, Ryu Katayama, Daisuke Yamashita, Kunihiro Kamataki, Hyunwoong Seo, Naho Itagaki, Masaharu Shiratani, Naoko Ashikawa, Suguru Masuzaki, Kiyohiko Nishimura, Akio Sagara

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

2 Citations (Scopus)

Abstract

Abstract We are developing a dust monitoring method using quartz crystal microbalances (QCMs) equipped with a dust eliminating filter. Here we report a dust eliminating ratio of the filter and first measurement results of the QCMs in a divertor simulator. The volume of spherical dust in unit area on the filter and QCM under the filter were 2.09 × 10^-9 and 1.22 × 10^-10 m³ m^-2, respectively. Thus, the dust eliminating ratio of the filter is 94.2%. The QCM without the filter gives deposition rate due to radicals and dust particles, whereas the QCM with the filter gives deposition rate predominantly due to radicals. From the results, we deduce information of mass fraction of dust particles in deposits.

Original language	English
Article number	48546
Pages (from-to)	865-868
Number of pages	4
Journal	Journal of Nuclear Materials
Volume	463
DOIs	https://doi.org/10.1016/j.jnucmat.2014.10.049
Publication status	Published - Jul 22 2015

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics
Materials Science(all)
Nuclear Energy and Engineering

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Tateishi, M., Koga, K., Katayama, R., Yamashita, D., Kamataki, K., Seo, H., Itagaki, N., Shiratani, M., Ashikawa, N., Masuzaki, S., Nishimura, K., & Sagara, A. (2015). Real-time mass measurement of dust particles deposited on vessel wall in a divertor simulator using quartz crystal microbalances. Journal of Nuclear Materials, 463, 865-868. [48546]. https://doi.org/10.1016/j.jnucmat.2014.10.049

Real-time mass measurement of dust particles deposited on vessel wall in a divertor simulator using quartz crystal microbalances. / Tateishi, Mizuki; Koga, Kazunori; Katayama, Ryu; Yamashita, Daisuke; Kamataki, Kunihiro; Seo, Hyunwoong; Itagaki, Naho ; Shiratani, Masaharu; Ashikawa, Naoko; Masuzaki, Suguru; Nishimura, Kiyohiko; Sagara, Akio.

In: Journal of Nuclear Materials, Vol. 463, 48546, 22.07.2015, p. 865-868.

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

Tateishi, M, Koga, K, Katayama, R, Yamashita, D, Kamataki, K, Seo, H, Itagaki, N , Shiratani, M, Ashikawa, N, Masuzaki, S, Nishimura, K & Sagara, A 2015, 'Real-time mass measurement of dust particles deposited on vessel wall in a divertor simulator using quartz crystal microbalances', Journal of Nuclear Materials, vol. 463, 48546, pp. 865-868. https://doi.org/10.1016/j.jnucmat.2014.10.049

Tateishi, Mizuki ; Koga, Kazunori ; Katayama, Ryu ; Yamashita, Daisuke ; Kamataki, Kunihiro ; Seo, Hyunwoong ; Itagaki, Naho ; Shiratani, Masaharu ; Ashikawa, Naoko ; Masuzaki, Suguru ; Nishimura, Kiyohiko ; Sagara, Akio. / Real-time mass measurement of dust particles deposited on vessel wall in a divertor simulator using quartz crystal microbalances. In: Journal of Nuclear Materials. 2015 ; Vol. 463. pp. 865-868.

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abstract = "Abstract We are developing a dust monitoring method using quartz crystal microbalances (QCMs) equipped with a dust eliminating filter. Here we report a dust eliminating ratio of the filter and first measurement results of the QCMs in a divertor simulator. The volume of spherical dust in unit area on the filter and QCM under the filter were 2.09 × 10-9 and 1.22 × 10-10 m3 m-2, respectively. Thus, the dust eliminating ratio of the filter is 94.2%. The QCM without the filter gives deposition rate due to radicals and dust particles, whereas the QCM with the filter gives deposition rate predominantly due to radicals. From the results, we deduce information of mass fraction of dust particles in deposits.",

author = "Mizuki Tateishi and Kazunori Koga and Ryu Katayama and Daisuke Yamashita and Kunihiro Kamataki and Hyunwoong Seo and Naho Itagaki and Masaharu Shiratani and Naoko Ashikawa and Suguru Masuzaki and Kiyohiko Nishimura and Akio Sagara",

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AU - Tateishi, Mizuki

AU - Koga, Kazunori

AU - Katayama, Ryu

AU - Yamashita, Daisuke

AU - Kamataki, Kunihiro

AU - Seo, Hyunwoong

AU - Itagaki, Naho

AU - Shiratani, Masaharu

AU - Ashikawa, Naoko

AU - Masuzaki, Suguru

AU - Nishimura, Kiyohiko

AU - Sagara, Akio

PY - 2015/7/22

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N2 - Abstract We are developing a dust monitoring method using quartz crystal microbalances (QCMs) equipped with a dust eliminating filter. Here we report a dust eliminating ratio of the filter and first measurement results of the QCMs in a divertor simulator. The volume of spherical dust in unit area on the filter and QCM under the filter were 2.09 × 10-9 and 1.22 × 10-10 m3 m-2, respectively. Thus, the dust eliminating ratio of the filter is 94.2%. The QCM without the filter gives deposition rate due to radicals and dust particles, whereas the QCM with the filter gives deposition rate predominantly due to radicals. From the results, we deduce information of mass fraction of dust particles in deposits.

AB - Abstract We are developing a dust monitoring method using quartz crystal microbalances (QCMs) equipped with a dust eliminating filter. Here we report a dust eliminating ratio of the filter and first measurement results of the QCMs in a divertor simulator. The volume of spherical dust in unit area on the filter and QCM under the filter were 2.09 × 10-9 and 1.22 × 10-10 m3 m-2, respectively. Thus, the dust eliminating ratio of the filter is 94.2%. The QCM without the filter gives deposition rate due to radicals and dust particles, whereas the QCM with the filter gives deposition rate predominantly due to radicals. From the results, we deduce information of mass fraction of dust particles in deposits.

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