Abstract

The National Aerosol Facility (NAF) has been built at IIT Kanpur, India for studying the aerosol behavior under simulated severe nuclear reactor accident conditions. Plasma torch aerosol generator (PTAG) has been employed in this facility for generating metal oxide particles with desirable properties. Plasma synthesis closely simulates the particle generation characteristics from degraded core during a postulated severe nuclear reactor accident. This study presents the effect of controlling parameters namely electrical power, carrier gas flow rate and powder feed rate of PTAG on the mass characteristics of synthesized metal oxide particles. The structural and morphological information of the synthesized particles has also been obtained via analysis performed using X-ray diffraction (XRD) method and Transmission electron microscopy (TEM). A set of optimized parameters has been finalized based on the outcome of this study. The study aims to standardize the generator system in order to perform future NAF experiments.

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