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Operations & Power
Members focus on the dissemination of knowledge and information in the area of power reactors with particular application to the production of electric power and process heat. The division sponsors meetings on the coverage of applied nuclear science and engineering as related to power plants, non-power reactors, and other nuclear facilities. It encourages and assists with the dissemination of knowledge pertinent to the safe and efficient operation of nuclear facilities through professional staff development, information exchange, and supporting the generation of viable solutions to current issues.
2021 Student Conference
April 8–10, 2021
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Fusion Science and Technology
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H. Utoh, K. Nishimura, S. Inagaki, H. Takahashi, Y. Tanaka, M. Takenaga, M. Ogawa, J. Shinde, K. Iwazaki, A. Okamoto, K. Shinto, S. Kitajima, M. Sasao
Fusion Science and Technology | Volume 50 | Number 3 | October 2006 | Pages 434-439
Technical Paper | Stellarators | dx.doi.org/10.13182/FST06-A1266
Articles are hosted by Taylor and Francis Online.
In the Tohoku University Heliac, a high-density plasma is produced by a vanadium electrode. The vanadium electrode is pretreated for hydrogen storage. In biasing experiments using the vanadium electrode, a high-density plasma is observed in not only argon plasmas but also helium plasmas. When the vanadium electrode is biased negatively, the radial distribution of the electron density steepens at the electrode position, and a strong negative radial electric field is formed between the electrode and the last closed flux surface. The E × B drift velocity is 30 km/s, and the estimated poloidal Mach number Mp is -20. The measured beta value exceeded 0.5% in the low-field discharges.