Study of safety for the low-flow ventilation system

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Recently Reprocessing Plants and Nuclear Waste Facilities in which HALW (High Active Liquid Waste) is treated might have a integrated remote handling cell for decreasing exposure dose rate of operaters and operating effectivly. And to minimize an exhaust gas flow rate they might have the Low-Flow Ventiration System for their integrated remote handling cell ventilation. To confirm safety of vitrificating cell in TOKAI VITRIFICATI0N FACILITY (TVF) that has the Low-Flow Ventiration System, we experimented for heat and mass Transfer of the Low-Flow Ventiration Cell, developed Three-Dimensional Heat-Fluid Analysis Code and Pressure and Temperature Analysis Code for the Low-Flow Ventiration Cell, and experimented the behavior of FP for the Low-Flow Ventiration Cell. This report shows results of these experiments and developments for the Low-Flow Ventiration System.