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Title: Evaluation of simulated-LOCA tests that produced large fuel cladding ballooning. [PWR]

Abstract

A description is given of the NRC review and evaluation of simulated-LOCA tests that produced large axially extended ballooing in Zircaloy fuel cladding. Technical summaries are presented on the likelihood of the transient that was used in the tests, the effects of temperature variations on strain localization, and the results of other similar experiments. It is concluded that (a) the large axially extended deformations were an artifact of the experimental technique, (b) current NRC licensing positions are not invalidated by this new information, and (c) no new research programs are needed to study this phenomenon.

Authors:
;
Publication Date:
Research Org.:
Nuclear Regulatory Commission, Washington, DC (USA). Office of Nuclear Reactor Regulation
OSTI Identifier:
6269984
Report Number(s):
NUREG-0536
TRN: 79-013730
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English
Subject:
22 GENERAL STUDIES OF NUCLEAR REACTORS; 21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS; FUEL CANS; DEFORMATION; LOSS OF COOLANT; TEMPERATURE GRADIENTS; THERMAL STRESSES; PWR TYPE REACTORS; FUEL RODS; MOCKUP; REACTOR SAFETY; ZIRCALOY; ACCIDENTS; ALLOYS; FUEL ELEMENTS; REACTOR ACCIDENTS; REACTOR COMPONENTS; REACTORS; SAFETY; STRESSES; STRUCTURAL MODELS; TIN ALLOYS; WATER COOLED REACTORS; WATER MODERATED REACTORS; ZIRCONIUM ALLOYS; ZIRCONIUM BASE ALLOYS; 220900* - Nuclear Reactor Technology- Reactor Safety; 210200 - Power Reactors, Nonbreeding, Light-Water Moderated, Nonboiling Water Cooled

Citation Formats

Powers, D.A., and Meyer, R.O. Evaluation of simulated-LOCA tests that produced large fuel cladding ballooning. [PWR]. United States: N. p., 1979. Web.
Powers, D.A., & Meyer, R.O. Evaluation of simulated-LOCA tests that produced large fuel cladding ballooning. [PWR]. United States.
Powers, D.A., and Meyer, R.O. Thu . "Evaluation of simulated-LOCA tests that produced large fuel cladding ballooning. [PWR]". United States.
@article{osti_6269984,
title = {Evaluation of simulated-LOCA tests that produced large fuel cladding ballooning. [PWR]},
author = {Powers, D.A. and Meyer, R.O.},
abstractNote = {A description is given of the NRC review and evaluation of simulated-LOCA tests that produced large axially extended ballooing in Zircaloy fuel cladding. Technical summaries are presented on the likelihood of the transient that was used in the tests, the effects of temperature variations on strain localization, and the results of other similar experiments. It is concluded that (a) the large axially extended deformations were an artifact of the experimental technique, (b) current NRC licensing positions are not invalidated by this new information, and (c) no new research programs are needed to study this phenomenon.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1979},
month = {2}
}

Technical Report:
Other availability
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