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U.S. Department of Energy
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ESTIMATES OF THE EFFECT OF BUBBLE SIZE ON FUEL ELEMENT SWELLING

Technical Report ·
OSTI ID:4188475
Fission gases are a source of swelling in irradiated fuel materials; in a mechanically strengthless material only surface tension limits the amount of swelling. In such materials, the ainount of swelling depends upon the operating temperature, fuel burnup, and the number of gas-filled bubbles per unit volume of material. Swelling is insensitive to the variety of sizes of the gas-filled bubbles, unless only a very smail proportion of the bubbles have an extremely large diameter. (auth)
Research Organization:
Knolls Atomic Power Lab., Schenectady, N.Y.
DOE Contract Number:
W-31-109-ENG-52
NSA Number:
NSA-14-005530
OSTI ID:
4188475
Report Number(s):
KAPL-2050
Country of Publication:
United States
Language:
English

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