Search Results - "Peterson, B.J"

Dissolved organic matter sources in large Arctic rivers by Amon, R.M.W., Rinehart, A.J., Duan, S., Louchouarn, P., Prokushkin, A., Guggenberger, G., Bauch, D., Stedmon, C., Raymond, P.A., Holmes, R.M., McClelland, J.W., Peterson, B.J., Walker, S.A., Zhulidov, A.V.

“…The biomarker composition of dissolved organic carbon (DOC) of the six largest Arctic rivers was studied between 2003 and 2007 as part of the PARTNERS Project…”
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Tomographic reconstruction of two-dimensional radiated power distribution during impurity injection in KSTAR plasmas using an infrared imaging video bolometer by Jang, Juhyeok, Choe, Wonho, Peterson, B.J., Seo, D.C., Mukai, K., Sano, R., Oh, S., Hong, S.H., Hong, Joohwan, Lee, H.Y.

“…Based on the two-dimensional radiation images obtained by an infrared imaging video bolometer (IRVB) with tangential view, the two dimensional radiation…”
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Three-dimensional structure of radiative cooling in impurity seeded plasmas in the Large Helical Device by Mukai, K., Kawamura, G., Masuzaki, S., Hayashi, Y., Tanaka, H., Peterson, B.J., Oishi, T., Suzuki, C., Kobayashi, M., Munechika, K.

“…•3-D localization of radiative cooling due to nitrogen seeding for divertor detachment was detected experimentally.•Principal component analysis was applied to…”
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Radiated power distributions in impurity-seeded plasmas in LHD by Morisaki, T., Oyama, K., Tamura, N., Masuzaki, S., Akiyama, T., Motojima, G., Miyazawa, J., Peterson, B.J., Ohno, N., Yamada, H.

“…In LHD, impurity seeding has been performed to enhance the radiative cooling in the edge region. Neon, nitrogen and argon were seeded by gas puffing, and the…”
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Spectroscopic studies on the enhanced radiation with high Z rare gas seeding for mitigating divertor heat loads in LHD plasmas by Suzuki, C., Mukai, K., Masuzaki, S., Kobayashi, M., Peterson, B.J., Akiyama, T., Murakami, I.

“…•Ions with M-shell outermost electrons dominantly contribute to the radiation enhanced by the Kr seeding.•Recombining plasma components are unignorable to…”
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Toroidally symmetric/asymmetric effect on the divertor flux due to neon/nitrogen seeding in LHD by Tanaka, H., Kawamura, G., Masuzaki, S., Kobayashi, M., Akiyama, T., Peterson, B.J., Mukai, K., Sano, R., Dai, S.Y., Sakamoto, R., Morisaki, T., Ohno, N.

“…•Toroidal distributions of divertor particle flux during Ne and N2 seeded discharges were investigated with Langmuir probe arrays in LHD.•Toroidally…”
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Experimental observations and modelling of radiation asymmetries during N2 seeding in LHD by Peterson, B.J., Kawamura, G., van de Giessen, P.L., Mukai, K., Tanaka, H., Sano, R., Pandya, S.N., Dai, S.Y., Masuzaki, S., Akiyama, T., Kobayashi, M., Goto, M., Motojima, G., Sakamoto, R., Ohno, N., Morisaki, T., Miyazawa, J.

“…N2 gas has been seeded in the Large Helical Device (LHD) to reduce the divertor heat load through enhanced radiation. Radiation is observed by two imaging…”
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Divertor heat and particle control experiments on the large helical device by Masuzaki, S., Kobayashi, M., Akiyama, T., Ohno, N., Morisaki, T., Shoji, M., Tokitani, M., Tanaka, H., Peterson, B.J., Yoshimura, S., Narihara, K., Yamada, I., Yasuhara, R., Murakami, A., Miyazawa, J., Murase, T., Kobuchi, T., Yonezu, H., Kawamura, G., Murakami, I., Takeiri, Y., Yamada, H., Komori, A.

“…In the Large Helical Device (LHD), studies of divertor heat and particle control have been conducted with a helical divertor magnetic structure which exists…”
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Impact of 3D magnetic field structure on boundary and divertor plasmas in stellarator/heliotron devices by Kobayashi, M., Feng, Y., Xu, Y., Tabares, F.L., Ida, K., Schmitz, O., Evans, T.E., Frerichs, H., Liang, Y., Bader, A., Itoh, K., Yamada, H., Ghendrih, Ph, Ciraolo, G., Tafalla, D., Lopez-Fraguas, A., Guo, H.Y., Cui, Z.Y., Reiter, D., Asakura, N., Wenzel, U., Morita, S., Ohno, N., Peterson, B.J., Masuzaki, S.

“…This paper overviews recent progress on the experimental identification and physics interpretation of 3D effects of magnetic field geometry on divertor…”
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Direct extrapolation of radial profile data to a self-ignited fusion reactor based on the gyro-Bohm model by Miyazawa, J., Goto, T., Morisaki, T., Goto, M., Sakamoto, R., Motojima, G., Peterson, B.J., Suzuki, C., Ida, K., Yamada, H., Sagara, A.

“…► The DPE method predicts temperature and density profiles in a fusion reactor. ► This method is based on the gyro-Bohm type parameter dependence. ► The size…”
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Bolometric imaging of detached plasmas in LHD by Peterson, B.J., Drapiko, E.A., Kobayashi, M., Shoji, M., Masuzaki, S., Morisaki, T., Morita, S., Goto, M., Yoshimura, S., Ashikawa, N., Tokitani, M., Yamada, H.

“…Detached plasmas can increase the radiated power fraction and thereby reduce the heat load on divertor tiles, which is important for steady-state fusion…”
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A comprehensive study on impurity behavior in LHD long pulse discharges by Nakamura, Y., Tamura, N., Kobayashi, M., Yoshimura, S., Suzuki, C., Yoshinuma, M., Goto, M., Motojima, G., Nagaoka, K., Tanaka, K., Sakamoto, R., Peterson, B.J., Ida, K., Osakabe, M., Morisaki, T.

“…∙Impurity behavior is investigated in a variety of LHD long pulse discharges (hydrogen or helium plasma, super dense core plasma and multi-species plasma).∙A…”
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Observation of divertor and core radiation in JT-60U by means of bolometric imaging by Peterson, B.J., Konoshima, S., Parchamy, H., Kaneko, M., Omori, T., Seo, D.C., Ashikawa, N., Sukegawa, A.

“…An imaging bolometer has been realized for the first time on a tokamak (JT-60U). The imaging bolometer utilizes a 7cm×9cm×2.5μm gold foil and an Omega/Micron…”
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Development of the plasma operational regime in the large helical device by the various wall conditioning methods by Nishimura, K., Ashikawa, N., Masuzaki, S., Miyazawa, J., Sagara, A., Goto, M., Peterson, B.J., Komori, A., Noda, N., Ida, K., Kaneko, O., Kawahata, K., Kobuchi, T., Kubo, S., Morita, S., Osakabe, M., Sakakibara, S., Sakamoto, R., Sato, K., Shimozuma, T., Takeiri, Y., Tanaka, K., Motojima, O.

“…Experiments in the large helical device have been developing since the first discharge in 1998. Baking at 95°C, electron cyclotron resonance discharge…”
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The relation between edge and divertor plasmas in the Large Helical Device by Masuzaki, S., Ohyabu, N., Morisaki, T., Goto, M., Kawahata, K., Komori, A., Morita, S., Narihara, K., Peterson, B.J., Tanaka, K., Tokuzawa, T., Motojima, O.

“…The relation between edge and helical divertor plasmas in the Large Helical Device are presented, in particular electron density n e and temperature T e…”
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Review of initial experimental results of the PSI studies in the large helical device by Masuzaki, S, Akaishi, K, Funaba, H, Goto, M, Ida, K, Inagaki, S, Inoue, N, Kawahata, K, Komori, A, Kubota, Y, Morisaki, T, Morita, S, Nakamura, Y, Narihara, K, Nishimura, K, Noda, N, Ohyabu, N, Peterson, B.J, Sagara, A, Sakamoto, R, Sato, K, Shoji, M, Suzuki, H, Takeiri, Y, Tanaka, K, Tokuzawa, T, Watanabe, T, Tsuzuki, K, Hino, T, Matsumoto, Y, Kado, S, Motojima, O

“…The large helical device (LHD) is the largest heliotron type superconducting device. Its operation was started on 31 March 1998. Three experimental campaigns…”
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Bolometric images of the three-dimensional structure of asymmetric radiative collapse in LHD by Ashikawa, N., Peterson, B.J., Sudo, S., Kostrioukov, A.Yu, Xu, Y., Shoji, M., Watanabe, T., Osakabe, M., Morita, S., Goto, M.

“…The infrared (IR) imaging bolometer has the merit of being able to measure wide two-dimensional images of the plasma radiation. Two IR imaging video bolometers…”
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The effect of divertor tile material on radiation profiles in LHD by Peterson, B.J., Masuzaki, S., Sakamoto, R., Sato, K., Inagaki, S., Sagara, A., Ohdachi, S., Nakamura, Y., Noda, N., Xu, Y., Rice, J.E., Ashikawa, N., Yamamoto, S., Takechi, M., Toi, K., Morita, S., Goto, M., Narihara, K., Inoue, N., Takeiri, Y., Sato, M., Osakabe, M., Tanaka, K., Tokuzawa, T., Sakakibara, S., Shoji, M., Kawahata, K., Kaneko, O., Ohyabu, N., Yamada, H., Komori, A., Yamazaki, K., Sudo, S., Motojima, O.

“…In the large helical device (LHD) radiation profiles measured using arrays of resistive metal, foil bolometers are used to investigate the change in radiation…”
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What do we know about the invasive potential of Lonicera caerulea L. cultivars in North America? by Peterson, B.J., Stack, L.B., Hayes, D.J.

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Impurity radiation during ‘breathing’-like oscillations in LHD discharges using a wall limiter by Peterson, B.J., Sato, K., Rice, J.E., Morita, S., Goto, M., Osakabe, M., Tanaka, K., Tokuzawa, T., Kawahata, K., Masuzaki, S., Sakakibara, S., Xu, Y., Kostrioukov, A.Yu, Ashikawa, N., Noda, N., Nakamura, Y., Yamada, H., Kaneko, O., Komori, A., Yamazaki, K., Sudo, S.

“…By changing the distribution of the coil currents in the helical coils of the large helical device (LHD) the plasma could be scraped off on the stainless steel…”
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