Assessment of Neutronic Characteristics of Accident-Tolerant Fuel and Claddings for CANDU Reactors

Table 7

Composition of TRISO particle [10].

Layer	Material	Outer radius	Vol. Frac.	Thermal conductivity
		(μm)	(%)	(W m^−1K^−1)
Kernel	UN	350	36.4	Temperature dependent
Buffer	Low-density PyC	400	18.0	0.5
Inner PyC	High-density PyC	435	15.6	4
SiC Coating	SiC	470	18.3	Temperature dependent
Outer PyC	High-density PyC	490	11.8	4