Abstract
KAEVER is an experimental program to investigate the influences of size distribution, morphology, composition and solubity on the aerosol depletion under various thermohydraulic conditions simulating the accident situation in a LWR-containment. The KAEVER facility consists of a 10 m 3 containment vessel, an aerosol generation system consisting of two independent inductive furnaces and a sophisticated aerosol instrumentation. The research program includes experiments to the generation of single and multicomponent insoluble (SnO 2, Ag, Fe 2O 3) and soluble (CsOH, CsI, NaOH, NaCl) core melt aerosol simulants and investigates the aerosol behaviour in the containment vessel under various thermohydraulic conditions. The experiments are supported by thermohydraulic and aerosol codes. The applied aerosol measurement equipment, photometer, mobility analyzer, low pressure impactors, optical particle counter, aerodynamic particle sizer and filters provides data on particle size distribution, form, concentration and of the elemental composition. Particle size ranges from 0.01 μm up to 50 μm.
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