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| Research of Accelerated Life Test of Nuclear Power Station Seal Assembly |
| Received:December 01, 2011 Revised:June 15, 2012 |
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| DOI： |
| KeyWord:nuclear power station seal assembly accelerated life test Arrhenius law type test |
| Author | Institution |
| GONG Bi-ying |
Shanghai Nuclear Engineering and Design Institute， Shanghai ， China |
| XU Feng |
Shanghai Nuclear Engineering and Design Institute， Shanghai ， China |
| LONG Yun-fei |
CNNC Sufa Technology Industry Co. Ltd.， Suzhou ， China |
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| Abstract: |
| Incore instrumentation system is one of the important parts of 300,000 kW nuclear power station. Seal assembly of incore instrumentation system should keep working for long time without leakage under the condition of temperature up to 100 ℃ and design pressure of 17.16 MPa. In order to ensure seal assembly 5 years working time under its actual working condition, testing time of accelerated life test under 240 ℃ was calculated based on Arrhenius law and mechanical seal test method. Accelerated life test scheme was worked out; accelerated life test was carried out; and test parameters measured were analyzed. The result showed that seal assembly can work 5 years without leakage under its actual working condition. Seal assembly accelerated life test is an important step of seal assembly type test. The purpose was to provide reference for accelerated life test of other seal components. |
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