1. PARAMETRIC SURVEY OF COATED FUEL PARTICLE

2. HTTR Packing Fraction 30 % Layers Dimension (mm) Density (gr/cm3)
Kernel diameter
0.600
10.63
Buffer layer thickness
0.060
1.10
IPyC layer thickness
0.030
1.85
SiC layer thickness
0.025
3.20
OPyC layer thickness
0.045
total
0.920
Packing Fraction
30 %
* Safety criteria & QC of HTTR fuel, Kazuhiro Sawa, et al,
Nuclear Engineering and Design 208 (2001)

3. GTHTR Layers Dimension Kernel diameter 0.55 mm Buffer layer thickness
0.140
IPyC layer thickness
0.025
SiC layer thickness
0.045
OPyC layer thickness
total
1.020
* Reactor Technology Development Under The HTTR Project, Takkazu Takizuka, JAEA
The 1st COE-INES International Symposium, INES-1, Japan, 2004

4. PARAMETRIC SURVEY PARAMETER VALUES Enrichment 0.7 % 3 % 20 % 30 %
Packing Fraction
1 %
10 %