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Spinning-turbine-fragment impacts on casing models. Final report. [PWR; BWR]

Technical Report ·
OSTI ID:5349054

Ten 1/11-scale model turbine-missile-impact tests were conducted at the Naval Air Propulsion Center under the supervision of Southwest Research Institute. These tests were conducted in support of the EPRI program to assess turbine-missile effects in nuclear plant design. The objective of the tests was to determine the effects of missile spin, blade crush, and target edge conditions on the impact of turbine disk fragments on the steel casing. The burst of a modified gas-turbine rotor in a high-speed spin chamber provided three missiles with the proper rotational and translational velocities of actual steam-turbine fragments. Tests of unbladed, spinning missiles were compared with previous tests of unbladed, nonspinning missiles. The total residual energy of the spinning missiles was the same as that of the nonspinning missiles launched in a piercing orientation. Tests with bladed missiles showed that for equal burst speeds, the residual energy of bladed missiles is less than that of unbladed missiles.

Research Organization:
Southwest Research Inst., San Antonio, TX (USA)
OSTI ID:
5349054
Report Number(s):
EPRI-NP-2743; ON: DE84920006
Country of Publication:
United States
Language:
English

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