Severe Accident Analysis of a PWR during LBLOCA without ECCS using RELAP5/SCDAP and CONTAIN Computer Codes
محل انتشار: چهارمین کنفرانس بین المللی مهندسی قابلیت اطمینان
سال انتشار: 1395
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 456
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شناسه ملی سند علمی:
RELI04_055
تاریخ نمایه سازی: 1 مرداد 1397
چکیده مقاله:
RELAP5/SCDAP and CONTAIN are two widely usedsevere accident computer codes for the integral analysisof the core and containment behaviour following thecore degradation. Because the containment is animportant factor in mitigating the consequences of asevere accident, it is necessary to assess its integrity afterthe accident has taken. The objective of the paper is theevaluation of thermal hydraulic behaviour of the PWRplant on core damage progression. The analyzedtransient was Large Break Loss-of-Coolant (LBLOCA)without actuation of safety injection system (SIS). TheRELAP5/SCDAP output used as input to CONTAIN toassess the containment conditions at vessel breach. TheRELAP5/SCDAP predictions of the temperature andmass flow rates of water, steam, and hydrogen from theRCS and RPV failure time used as inputs to theCONTAIN calculations.
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نویسندگان
Mehdi Dehjourian
Nuclear Engineering Department, Science and Research Branch, Islamic Azad University of Tehran, Tehran, Iran
Mohammad Rahgoshay
Nuclear Engineering Department, Science and Research Branch, Islamic Azad University of Tehran, Tehran, Iran