疏浚船溢流管道环保发电装置可行性研究  

Study on the Feasibility of Environmental Power Generation Device for Overflow Pipes on Dredging Ships

作　　者：张家墅 余龙[1,2,3] 黄琼 ZHANG Jiashu;YU Long;HUANG Qiong(Shanghai Jiao Tong University,State Key Laboratory of Ocean Engineering,Shanghai 200240,China;Shanghai Jiao Tong University,School of Ocean and Civil Engineering,Shanghai 200240,China;Collaborative Innovation Center for Advanced Ship and Deep-Sea Exploration,Shanghai 200240,China;Guangzhou Shipyard International Co.,Ltd.,Guangzhou 511462,China)

机构地区：[1]上海交通大学海洋工程全国重点实验室,上海200240 [2]上海交通大学船舶海洋与建筑工程学院,上海200240 [3]高新船舶与深海开发装备协同创新中心,上海200240 [4]广船国际有限公司,广州511462

出　　处：《船舶工程》2025年第2期97-103,共7页Ship Engineering

基　　金：中交疏浚重点研发项目(KY-2020-023)。

摘　　要：[目的]疏浚船溢流管道常会安装环保阀,以减轻空气吸入对水域环境的影响,但增加了运营成本且无法回收溢流能量,故提出一种兼具环保效果和发电功能的疏浚船溢流管道环保发电装置。[方法]通过计算流体力学(CFD)和基于时均法的叶素动量理论(TA-BEMT)验证其可行性。利用理论公式评估装置的发电效果,通过数值模拟评估装置的环保效果和发电效果,使用TA-BEMT程序验证装置的发电效果,分析管道流体的流量、密度、势能和涡轮机的叶片数量对装置性能的影响。[结果]结果表明,疏浚船溢流管道环保发电装置可在一定程度上替代环保阀,并具备回收溢流能量的功能。[结论]然而,其环保效果和发电效益须权衡,改变涡轮机几何结构是潜在优化方向。[Purpose]The overflow pipes of dredging ships are typically fitted with green valves to reduce the environmental impact of air intake on aquatic ecosystems.However,these valves increase operational costs and do not facilitate the recovery of overflow energy.An innovative environmental power generation device for dredging ship overflow pipes that integrates environmental protection with energy recovery is proposed.[Method]The feasibility of the proposed device is assessed through computational fluid dynamics(CFD)simulations and the time-averaged blade element momentum theory(TA-BEMT).Initially,theoretical formulas are employed to estimate the device's power generation efficiency.Subsequently,numerical simulations are performed to evaluate both the environmental impact and power generation capability of the device.Finally,the TA-BEMT approach is utilized to validate the power generation performance,analyzing the effects of variables such as fluid flow rate,density,potential energy and the number of turbine blades on the overall performance of the device.[Result]The findings indicate that the proposed device can partially replace green valves and effectively recover overflow energy.[Conclusion]Achieving a balance between environmental benefits and power generation efficiency is essential,and optimizing turbine geometry represents a promising direction for further improvements.

关 键 词：疏浚船 环保发电装置 计算流体力学(CFD) 时均法叶素动量理论(TA-BEMT) 环保阀 

分 类 号：U664.6[交通运输工程—船舶及航道工程]