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Title: Calculation of the effect of fuel particle size on reactor dynamics
Authors: Turner, WJ
Piper, RH
Keywords: Fuel particles
Reactor components
Beryllium oxides
Reactor accidents
Particle size
Issue Date: Nov-1966
Publisher: Australian Atomic Energy Commission
Citation: Turner, W. J., & Piper, R. H. (1966). Calculation of the effect of fuel particle size on reactor dynamics (AAEC/E167). Lucas Heights, NSW: Australian Atomic Energy Commission.
Abstract: The effect of fuel particle size on the dynamic behaviour of a 500 MW beryllia moderated reactor fuelled with oxide particles of diameter 2 to 500 microns dispersed in beryllia is discussed. Negative feedback of reactivity proportional to the reactor power occurs because of the very small thermal time constant of the fuel particles. For large fuel particles the feedback considerably reduces the peak power and the energy release following a reactivity accident.
Gov't Doc #: 428
Appears in Collections:Scientific and Technical Reports

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