Bello, M.O., Minjun, P. and Genglei, X. 2022. THE EFFECTS OF SYSTEM PARAMETERS ON THE INCEPTION OF FLASHING USING RELAP5 : Received: 29th June 2021; Revised: 14th July 2022, 21st July 2022, 1st August 2022; Accepted: 02nd August 2022. MATTER: International Journal of Science and Technology. 8, (Aug. 2022), 153–175. DOI:https://doi.org/10.20319/mijst.2022.8.153175.