[2C17-23] Fukushima Nuclear Accident

[2C22] Evaluation method using material analysis of specimen in plasma heating experiment

(2)Application possibility of materials analysis and LIBS using the plasma basics heating experiment

*Tomohiko Kawakami¹, Abe Yuta², Fabio Spaziani¹, Nakano Natsuko¹, Toshio Nakagiri² (1. Kaken, 2. Japan Atomic Energy Agency)

Keywords:Severe Acccident (SA), Fukushima-Daiichi NPP accident, Laser Induced Breakdown Spectroscopy (LIBS), Core-Material Relocation(CMR), Non-transfer(NTR) Type plasna heating

本報では原子力機構で作製した、模擬燃料集合体加熱試験体溶融物をLIBSで計測し、元素の同定を行った。溶融物からは酸素を同定し金属元素と酸素比を算出した。