Study of a Depressurisation Process at Low Mach number in a nuclear reactor core Andrea Bondesan, Stéphane Dellacherie, Hélène Hivert, Jonathan Jung, Vanessa Lleras, Colin Mietka and Yohan Penel ESAIM: ProcS, 55 (2016) 41-60 Published online: 15 February 2017 DOI: 10.1051/proc/201655041