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Atlanta, GA|Atlanta Marriott Marquis
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World Bank, IAEA partner to fund nuclear energy
The World Bank and the International Atomic Energy Agency signed an agreement last week to cooperate on the construction and financing of advanced nuclear projects in developing countries, marking the first partnership since the bank ended its ban on funding for nuclear energy projects.
M. Inutake, S. Furukawa, S. Tanaka, R. Katsumata, A. Ishihara, M. Ichimura, A. Kumagai, K. Hattori, H. Hojo, A. Mase, Y. Nakashima, Y. Nagayama, M. Shoji, N. Yamaguchi, I. Katanuma, D.D. Ryutov, T. Tamano
Fusion Science and Technology | Volume 27 | Number 3 | April 1995 | Pages 409-412
Mirror Device Studies | doi.org/10.13182/FST95-A11947117
Articles are hosted by Taylor and Francis Online.
Magnetohydrodynamic (MHD) stability of the GAMMA 10 tandem mirror is extensively studied in ICRF-heated, hot ion plasmas. Stability boundary for a flute interchange mode is predicted to depend on a pressure-weighted curvature integrated along the magnetic field line. It is found that upper limit of the central-cell beta βC increases linearly with the anchor-cell beta βA. The critical beta ratio βC/βA above which the plasma cannot be sustained strongly depends on the pressure anisotropy P⊥/P|| of hot ions. Stronger anisotropy greatly expands the stable region up to a higher critical beta ratio, owing to the reduction of the pressure weighting in the bad curvature region of the central cell. On both sides of the quadrupole anchor cells, there are flux-tube-recircularizing transition regions where the normal curvature is highly bad. Then the density and ion temperature of the cold plasma in the transition region are measured. Theoretical prediction on the flute stability boundary calculated by using the measured axial pressure profile of the hot-ion and the cold-plasma pressure can explain well the experimental results.