An iterative fission matrix scheme for calculating steady-state power and critical control rod position in a TRIGA reactor

• Published in: Annals of nuclear energy Vol. 135; p. 106984
• Main Authors: Topham, Tyler J., Rau, Adam, Walters, William J.
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 01.01.2020
• Subjects: Criticality; Fission matrix; Monte Carlo; Serpent; Temperature feedback; TRIGA; Temperature feedback; Fission matrix; Serpent; TRIGA; Monte Carlo; Criticality

•A fission matrix method is presented for fast and accurate TRIGA neutronics.•A set of fission matrices are pre-calculated using Serpent Monte Carlo.•Matrices are interpolated based on temperature and control rod position.•Under 50 pcm and 1% RMS difference for all temperature and rod positions exam...