Fission product behavior during the in-pile Severe Fuel Damage Test SFD 1-4

Conference · Fri Jan 01 04:00:00 EST 1988

OSTI ID:6565253

Vinjamuri, K; Osetek, D J; Petti, D A; Meikrantz, D H

Fission product behavior during Severe Fuel Damage (SFD) Test SFD 1-4 is discussed in this paper. The SFD 1-4 fuel bundle consisted of 26 previously irradiated (36000 MWd/tU) and 2 fresh pressurized-water-reactor fuel rods, and 4 stainless-steel clad Ag-In-Cd control rods. The 1-m bundle was heated to temperatures in excess of 2400 K during the test to reproduce temperature, fuel damage, fission product release, hydrogen generation, and control rod material behavior that are representative of a small break loss of coolant accident in a light-water-reactor. Samples of the effluent exiting the damaged fuel bundle consisting of superheated steam, fission products, aerosols, and noncondensable gases were collected and analyzed. Measurements of deposition on sample system surfaces were also made. The samples were analyzed using a variety of analytical techniques to provide an understanding of the release, transport and deposition of fission products. The results are presented in terms of release fractions, release rates and the distribution of fission products. The probable chemical forms of the predominant fission product species are inferred from the solubility, transport and deposition behavior of key isotopes. 9 refs.

• Research Organization: EG and G Idaho, Inc., Idaho Falls (USA)
• DOE Contract Number: AC07-76ID01570
• OSTI ID: 6565253
• Report Number(s): EGG-M-33587; CONF-8806143-8; ON: DE89005187
• Country of Publication: United States
• Language: English

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BETA DECAY RADIOISOTOPES
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IODINE 131
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ISOMERIC TRANSITION ISOTOPES
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NUMERICAL DATA
ODD-EVEN NUCLEI
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STRONTIUM 90
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