а). Fuel block of GT-MHR reactor core: 1 – channel for coolant passage; 2 – channel for burnable neutron absorber; 3 – fuel channel. b). Design of fuel microelement: 1 – uranium dioxide; 2 – pyrolytic graphite; 3 – silicon carbide.

  Part of: Bulakh OI, Kostylev OK, Nesterov VN, Cherdizov EK (2019) Extension of lifespan of graphite in fuel blocks of high-temperature gas-cooled reactors as the resource for ensuring design values of nuclear fuel burn-up. Nuclear Energy and Technology 5(4): 289-295. https://doi.org/10.3897/nucet.5.48391