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POTENTIAL BENEFITS OF THE NEW WESTINGHOUSE LOCA MASS AND ENERGY RELEASE METHODOLOGY - ESTIMATED REDUCTION IN THE INITIAL ICE MASS REQUIRED FOR AN ICE CONDENSER CONTAINMENT

机译：新西屋LOCA质量的潜在好处和能量释放方法-装有冰冷凝器的初始冰质量的估计减少

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Westinghouse has developed a new loss of coolant accident (LOCA) mass and energy (M&E) release methodology using the WCOBRA/TRAC (WC/T) and GOTHIC computer codes. The new method replaces the deterministic post-blowdown steam generator and metal energy release models with a mechanistic calculation that results in significantly lower steam generator and metal energy release rates. As shown in Reference 1, these lower energy release rates result in a significantly lower post-blowdown containment pressure and temperature for the large dry containment design. This paper estimates the impact of the lower calculated post-blowdown energy release rates on the initial ice mass required to be loaded into an ice condenser containment.

机译：西屋公司使用WCOBRA / TRAC（WC / T）和GOTHIC计算机代码开发了一种新的冷却剂事故（LOCA）质量和能量损失（M＆E）释放方法。新方法用机械计算取代了确定性的排污后蒸汽发生器和金属能量释放模型，从而显着降低了蒸汽发生器和金属能量释放率。如参考文献1所示，对于大型干式安全壳设计，这些较低的能量释放速率导致排污后安全壳压力和温度大大降低。本文估算了较低的排污后能量释放速率对装入冷凝器安全壳所需的初始冰块的影响。

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《International conference on nuclear engineering;ICONE-16》|2008年|679-682|共4页
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Richard P. Ofstun; Thomas F. Antolic;
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POTENTIAL BENEFITS OF THE NEW WESTINGHOUSE LOCA MASS AND ENERGY RELEASE METHODOLOGY - ESTIMATED REDUCTION IN THE INITIAL ICE MASS REQUIRED FOR AN ICE CONDENSER CONTAINMENT

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