1、

This paper presents a dynamic model of air-cooled unit air conditioner during start-up/ shutdown processes, in which dynamic distributed parameter models of two-phase flow in heat exchangers are used, and steady state models are applied for the compression and throttling process.

建立了计算风冷小型空调器启动、停机过程的动态数学模型,其中压缩与节流过程采用稳态模型,而换热器则采用动态分布参数分相流模型。

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2、

since the purification flow plays an important role during nps maintenance or refueling cold shutdown, the rra system of daya bay nps must be modified in order to increase the purification flow.

而该净化流量在电站维修或冷停堆期间起着非常大的作用,改进停堆余热冷却系统,提高化学容积控制系统净化流量成了当务之急。

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3、

Suggest to have cutoff valves and flow valves close during SRU shutdown.

建议在SRU停车期间关掉截止阀和流量阀。

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