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        1. 暖通空调杂志社>期刊目次>2019年>第2期

          核电厂主控制室非能动热阱实验与数值模拟

          Experimental and numerical simulation of passive heat sink in main control room of nuclear power plants

          林宇清
          上海核工程研究设计院有限公司

          摘要:

          设计并搭建了主控制室非能动热阱模型实验舱。在不同内热扰强度和持续时间下,测量了室内空气温度变化、顶板及墙体热阱的蓄热量,分析了各种因素对室内温度和热阱蓄热量的影响。结果表明:室外温度对事故发生后72 h内主控制室内最高温度基本没有影响;室内空气初始温度不同将导致事故发生后72 h内室内最高温度不同,但对温升的幅度影响不大;增加肋片高度和减小肋片间距能较好地降低室内空气最高温度。

          关键词:核电厂,混凝土,非能动热阱,蓄热量,主控制室,温升

          Abstract:

          Designs and builds an experimental chamber of passive heat sink model for the main control room. Under different internal heat disturbance intensity and duration, measures the changes of indoor air temperature and the heat storage of the roof and wall heat traps, and analyses the effects of various factors on indoor temperature and heat storage in heat traps. The results show that the outdoor temperature has little effect on the maximum temperature in the main control room within 72 hours after the accident. The different initial indoor temperature will lead to different indoor maximum temperature within 72 hours after the accident, but it has little effect on the growth rate of temperature. Increasing fin height and reducing fin spacing can reduce the maximum indoor temperature.

          Keywords:nuclearpowerplant,concrete,passiveheatsink,heatstoragecapacity,maincontrolroom,temperaturerise

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