Simulation of Be armour cracking under ITER-like transient heat loads

Simulation of Be armour cracking under ITER-like transient heat loads

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Simulation of beryllium cracking under action of multiple severe surface heatings has been performed using the PEGASUS-3D code and verified by experiments in the JUDITH 1 facility.Analysis of the results CPAP SUPPLIES has revealed beryllium thermo conductivity degradation under action of repetitive pulsed heat load due to BOSCH Serie 8 HBG6764S6B Electric Smart Oven - Stainless Steel accumulation of the cracks in the surface layer.Thermo conductivity degradation is found to be at least 4 times after 100 pulses in JUDITH 1 facility.An analytical model for the Be cracking threshold under action of arbitrary heat pulses has been developed.