The pressure drop characteristic in natural circulation was compared with that in forced circulation.
对自然循环和强迫循环流动中压降流量特性进行了比较。
The reactor coolant pump provides sufficient forced circulation flow to ensure adequate heat transfer.
主泵提供足够的强迫循环流量，以保证有充分的热传递能力。
For the forced circulation system, to avoid the excessive values of circulation water dynamic, every water cooling tube must be mounted throttle plate in the design.
对于强制循环系统，为了避免循环水动力的多值性，设计均要求在每一根水冷壁管设置节流孔板。
The loss of efficient head of circulation pump in the primary loop of PWR will increase with the increase of resistance coefficient of JetPump under forced circulation.
强迫循环条件下，压水堆一回路主循环泵有效压头的损失随喷射泵阻力系数的增加而增加；
The results show that heaving has less effect upon the primary Loop's coolant flow rate and PWR output power in case of forced circulation but strongly influences natural circulation ability.
结果表明：起伏对强制循环下一回路冷却剂的流量和反应堆输出功率的影响较小，而对自然循环能力的影响很大。
A new type of moving petticoat pipe structure and petticoat pipe seal which fit for forced circulation way is introduced. A kind of flexible fastening of moving petticoat pipe is also recommended.
并介绍了一种适合强制循环方式的新颖的活动烟罩和烟罩密封形式，推荐了一种活动烟罩管道柔性连接件。
A new type of moving petticoat pipe structure and petticoat pipe seal which fit for forced circulation way is introduced. A kind of flexible fastening of moving petticoat pipe is also recommended.
并介绍了一种适合强制循环方式的新颖的活动烟罩和烟罩密封形式，推荐了一种活动烟罩管道柔性连接件。
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