Fuel performance improvement program: description and characterization of HBWR Series H-2, H-3, and H-4 test rods
The fabrication process and as-built characteristics of the HBWR Series H-2 and H-3 test rods, as well as the three packed-particle (sphere-pac) rods in HBWR Series H-4 are described. The HBWR Series H-2, H-3, and H-4 tests are part of the irradiation test program of the Fuel Performance Improvement Program. Fifteen rods were fabricated for the three test series. Rod designs include: (1) a reference dished pellet design incorporating chamfered edges, (2) a chamfered, annular pellet design combined with graphite-coated cladding, and (3) a sphere-pac design. Both the annular-coated and sphere-pac designs include internal pressurization using helium.
- Research Organization:
- Battelle Pacific Northwest Labs., Richland, WA (USA); Exxon Nuclear Co., Inc., Richland, WA (USA)
- DOE Contract Number:
- AC06-76RL01830; AC02-76ET34215
- OSTI ID:
- 5320914
- Report Number(s):
- DOE/ET/34215-14
- Country of Publication:
- United States
- Language:
- English
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