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Sano, Yuichi; Sakamoto, Atsushi; Ogino, Hideki; Hirano, Hiroyasu; Misumi, Ryuta*; Todoroki, Kei*; Nishi, Kazuhiko*; Kaminoyama, Meguru*
no journal, ,
Computational fluid dynamics (CFD) works were carried out to analyze fluidic and dispersion behavior in some annular centrifugal contactors. The results of CFD considering multiphase turbulent flow in the annular and rotor interior zones were in good agreement with these experimental data.
Misumi, Ryuta*; Todoroki, Kei*; Nishi, Kazuhiko*; Kaminoyama, Meguru*; Sano, Yuichi; Sakamoto, Atsushi; Ogino, Hideki; Hirano, Hiroyasu
no journal, ,
Fluid dynamic in two different scales of ACC were analyzed under different rotor speeds and flowrate by PIV measurements.
Ishiyama, Shintaro; Mamitani, Masataka*; Kondo, Mitsunori*; Hiki, Akinori*
no journal, ,
Contaminated soil washing test was implemented in Fukushima for the purpose of performance verification and set up of engineering database for construction of contaminated soil washing plant and the following results were obtained in this first field test. (1) Dispersion of the radioactive contaminated soil over 10,000 Bq/kg was enhanced in alkalized washing solution at base equilibrium point of pH=10.1
10.5. (2) Remarkable washing performance was achieved under the combination of dispersion and high speed shearing washing conditions. (3) Remarkable well ordered structural refinement and cumulation of the contaminated soil particle groups with strong FP confinement were observed at the particle size of 0.510 
m after washing the contaminated soil particle grain size under 0.5 mm, and sieve classification technique can be applied for elective elimination of this soil particle groups.
Takeuchi, Masayuki; Koizumi, Tsutomu; Ikeda, Shoki*; Cho, R.*; Hirasawa, Izumi*
no journal, ,
no abstracts in English