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中文摘要：
为缓解通航用水与发电、农业用水之间的矛盾,拟建的广东北江飞来峡二、三线船闸采用相互灌泄水的省水运行方式。对船闸建立水工物理模型研究其省水特性并进行效益分析,对比双线相互灌泄水的省水运行方式与单线运行方式的优劣。研究结果表明：省水运行模式每年省水2.89亿~3.77亿m3,折合水能发电量0.135亿~0.175亿k W·h;省水船闸闸室及引航道水流条件、船舶停泊条件优于单线运行模式;船闸通过能力满足通航需求。省水船闸运行具有显著的经济效益和环境效益。
英文摘要：
To counter the contradiction of water navigation, power generation and agricultural water, the Feilaixia second-line and third-line locks were planned to be operated by water-saving mode during water filling and emptying. Hydraulic model experiments were carried out to study the characteristics of water-saving and the benefits. The water-saving ship locks of double lines were compared with the single lock, and the result showed that water-saving ship locks could save 2. 89 - 3.77 million tons of water, and generate 13.5 × 10^6 - 17.5 × 10^6 kW·h of hydropower energy. Thus the conclusion is drawn that the water conditions of chamber and approach channel are more favorable, and the berthing conditions in the chamber are better. The ship locks of water-saving satisfy navigation requirements, and the water-saving ship locks will have remarkable economic and environmental benefits.
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