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PWR BOLTED CLOSURE MODEL VESSEL. Final Test Report

Published
United States : [publisher not identified], 1956.
[Oak Ridge, Tennessee] : [U.S. Atomic Energy Commission], 1956.
Physical Description
microopaque : positive ; 8 x 13 cm

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Summary
Static pressure, external pipe loading, and pressure cycling tests were performed on the PWR Conical Segment Model Vessel. The test results verify the integrity of the PWR Vessel design for the anticipated meclanical loads. The maximum stress occurred at the intersection of the inlet nozzle and the inner wall of the lower head. The stress of 22,300 psi was induced by a stress concentration factor of 2.07. The average stress concentration was 1.86 for the inlet nozzle and the stress concentration for the outlet nozzle was 1.7. The maximum stress due to external loadings was 9,000 psi. This occurred in the region of the outlet nozzle. No damage to the vessel was observed after 94,000 cycles of alternating pressure between 1,000 psi and 2500 psi. (auth) l6623 Static pressure, external pipe loading, and pressure cycling tests were performed on the PWR Bolted Closure Model Vessel. The tests verify the integrity of the bolted closure design. The maximum stress observed in the test was 34,000 psi for an internal pressure of 2500 psi. This stress occurred at the intersection of the outlet nozzle and the inner wall of the shell. The external pipe reaction loads, simulating those expected on the PWR vessel, induced a maximum stress of 2300 psi in the shell. Additional pipe reaction tests were performed to determine the response of the shell to circumferential and longitudinal moments. No visual damage to the vessel was observed after the model experienced 100,000 cycles of alternating pressure between 1,000 psi and 2500 psi. (auth)
Report Numbers
CENP-U-9
Other Subject(s)
Collection
U.S. Atomic Energy Commission depository collection.
Note
DOE contract number: CE 7954
NSA number: NSA-13-016622
OSTI Identifier 4230979
Research organization: Combustion Engineering, Inc., New York.
View MARC record | catkey: 39618505