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First aerosol results of the QUENCH-18 bundle test

Kalilainen, J.; Lind, T.; Stuckert, J.; Stegmaier, U.

Abstract (englisch):
The QUENCH-18 test was conducted at KIT in the autumn of 2017 with the primary aim to investigate the oxidation of M5® cladding material in air/steam mixture, following a limited pre-oxidation in steam and to achieve a long period of air ingress conditions to promote the interaction of the cladding with nitrogen. The experiment bundle also featured two Ag-In-Cd control rods and aerosol measurements were also conducted during the test in order to investigate the effect of the oxygen and steam starvation on the timing, temperature and the composition of the release of control rod materials. The aerosol measurements were performed using both online measurement devices and particle sampling for later analysis. The aerosol sample was obtained from the QUENCH facility exhaust pipe and diluted using an ejector diluter. Electrical low pressure impactor was used for the online monitoring of the particle concentration during the experiment. The aerosol particles were sampled during the measurement to three Nuclepore membranes. In addition, two Berner low pressure impactors were used for obtaining particle mass size distributions during the test. ... mehr



Zugehörige Institution(en) am KIT Institut für Angewandte Materialien - Angewandte Werkstoffphysik (IAM-AWP)
Publikationstyp Proceedingsbeitrag
Jahr 2019
Sprache Englisch
Identifikator KITopen-ID: 1000093947
HGF-Programm 32.02.01 (POF III, LK 01)
Erschienen in 9th European Review Meeting on Severe Accident Research Severe Accident Research Conference (ERMSAR 2019), Prag, CZ, March 18-20, 2019
Veranstaltung 9th European Review Meeting on Severe Accident Research (ERMSAR 2019), Prag, Tschechien, 18.03.2019 – 20.03.2019
Seiten Paper 19
Schlagworte QUENCH-18, control rod, severe accident, aerosol
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