岭澳核电站取水头部及取水明渠中的长周期水面波动

Long period Fluctuations at the Head of Inlet and Open Channel in Lingao Nuclear Power Station

在岭澳核电站取水头部及取水明渠物理模型试验中，发现在大浪作用下，取水明渠及泵房前池水面存在较大的长周期波动，给工程造成很大的影响。本文着重分析了产生长周期水面波动的原因；介绍了降低长周期波动幅度及确保厂区和泵房安全的工程措施。

In the physical model test of the head of the inlet and open channel in Lingao Nuclear Power Station,it is found that considerable long period fluctuations are existed on the surface of the open channel and the front basin of the pump house under the action of significant waves,thus resulting in a great effect on engineering.This paper mainly analyzes the causes of long- period fluctuations produced and introduces how to reduce the amplitude of long-period fluctuations and ensure safety in plant area and pamp house.