Temperature estimates from the zircaloy oxidation kinetics in the. cap alpha. plus. beta. phase region. [PWR; BWR]

Conference · Thu Jan 01 04:00:00 EST 1981

OSTI ID:5616678

Olsen, C S

Oxidation rates of zircaloy in steam were measured at temperatures between 961 and 1264 K and for duration times between 25 and 1900 seconds in order to calculate, in conjunction with measurements from postirradiation metallographic examination, the prior peak temperatures of zircaloy fuel rod cladding. These temperature estimates will be used in light water reactor research programs to assess (a) the accuracy of temperature measurements of fuel rod cladding peak temperatures from thermocouples attached to the surface during loss-of-coolant experiments (LOCEs), (b) the perturbation of the fuel rod cladding LOCE temperature history caused by the presence of thermocouples, and (c) the measurements of cladding azimuthal temperature gradients near thermocouple locations.

• Research Organization: EG and G Idaho, Inc., Idaho Falls (USA)
• DOE Contract Number: AC07-76ID01570
• OSTI ID: 5616678
• Report Number(s): CONF-810801-61; ON: DE82005952
• Country of Publication: United States
• Language: English

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