特斯拉阀鱼道与竖缝式鱼道水力特性数值模拟研究及可行性分析
TV131; 为探究特斯拉阀鱼道和两种竖缝式鱼道能否满足鱼类洄游条件,基于Fluent采用标准RNG κ-ε湍流模型和VOF多相流对自由水面进行捕捉的方法,对3种鱼道池室流场进行三维湍流数值模拟,主要采用相同的边界条件研究3种鱼道的水力特性对四大家鱼洄游的影响.分析得出,3种鱼道主流明确,流态分区明显,从底层到高层,主流流态越来越不明显,流速呈减小趋势.双侧竖缝式鱼道、异侧布置竖缝式鱼道和特斯拉阀鱼道的平均流速分别为0.49、0.45和0.69 m/s,平均回流区占比分别为0.67、0.71、0.69,最大流速分别为1.24、1.49、1.54 m/s.双侧竖缝式鱼道、异侧布置竖缝式鱼道和特斯...
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| Published in | 中国农村水利水电 no. 11; pp. 81 - 94 |
|---|---|
| Main Authors | , |
| Format | Journal Article |
| Language | Chinese |
| Published |
石油天然气装备教育部重点实验室,四川 成都 610500
2024
西南石油大学机电工程学院,四川 成都 610500 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1007-2284 |
| DOI | 10.12396/znsd.240509 |
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| Abstract | TV131; 为探究特斯拉阀鱼道和两种竖缝式鱼道能否满足鱼类洄游条件,基于Fluent采用标准RNG κ-ε湍流模型和VOF多相流对自由水面进行捕捉的方法,对3种鱼道池室流场进行三维湍流数值模拟,主要采用相同的边界条件研究3种鱼道的水力特性对四大家鱼洄游的影响.分析得出,3种鱼道主流明确,流态分区明显,从底层到高层,主流流态越来越不明显,流速呈减小趋势.双侧竖缝式鱼道、异侧布置竖缝式鱼道和特斯拉阀鱼道的平均流速分别为0.49、0.45和0.69 m/s,平均回流区占比分别为0.67、0.71、0.69,最大流速分别为1.24、1.49、1.54 m/s.双侧竖缝式鱼道、异侧布置竖缝式鱼道和特斯拉阀鱼道的断面最大流速分别为1.09、1.38、1.54 m/s,断面平均流速为0.75、0.57、0.85 m/s.双侧竖缝式鱼道最大湍动能0.054 m2/s2出现在上层水体隔板后方,其余绝大部分区域湍动能小于0.05 m2/s2;异侧布置竖缝式鱼道最大湍动能0.072 m2/s2出现在上层水体竖缝出口处,其余绝大部分区域湍动能小于0.05 m2/s2;特斯拉阀鱼道最大湍动能0.221 m2/s2出现在上层水体的单元回路中,主干道的绝大部分区域湍动能小于0.05 m2/s2.分析得出3种鱼道的流速、流态满足鱼类洄游条件,3种鱼道预计鱼类洄游路线区域的湍动能满足鱼类洄游条件,本文研究成果可为以后的鱼道结构设计提供思路. |
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| AbstractList | TV131; 为探究特斯拉阀鱼道和两种竖缝式鱼道能否满足鱼类洄游条件,基于Fluent采用标准RNG κ-ε湍流模型和VOF多相流对自由水面进行捕捉的方法,对3种鱼道池室流场进行三维湍流数值模拟,主要采用相同的边界条件研究3种鱼道的水力特性对四大家鱼洄游的影响.分析得出,3种鱼道主流明确,流态分区明显,从底层到高层,主流流态越来越不明显,流速呈减小趋势.双侧竖缝式鱼道、异侧布置竖缝式鱼道和特斯拉阀鱼道的平均流速分别为0.49、0.45和0.69 m/s,平均回流区占比分别为0.67、0.71、0.69,最大流速分别为1.24、1.49、1.54 m/s.双侧竖缝式鱼道、异侧布置竖缝式鱼道和特斯拉阀鱼道的断面最大流速分别为1.09、1.38、1.54 m/s,断面平均流速为0.75、0.57、0.85 m/s.双侧竖缝式鱼道最大湍动能0.054 m2/s2出现在上层水体隔板后方,其余绝大部分区域湍动能小于0.05 m2/s2;异侧布置竖缝式鱼道最大湍动能0.072 m2/s2出现在上层水体竖缝出口处,其余绝大部分区域湍动能小于0.05 m2/s2;特斯拉阀鱼道最大湍动能0.221 m2/s2出现在上层水体的单元回路中,主干道的绝大部分区域湍动能小于0.05 m2/s2.分析得出3种鱼道的流速、流态满足鱼类洄游条件,3种鱼道预计鱼类洄游路线区域的湍动能满足鱼类洄游条件,本文研究成果可为以后的鱼道结构设计提供思路. |
| Abstract_FL | In order to explore whether the Tesla valve fishway and the two vertical slot fishways can meet the fish migration conditions,based on the method of Fluent using the standard RNG κ-ε turbulence model and the VOF multiphase flow method to capture the free water sur-face,the three-dimensional turbulence flow field of the three fishways was simulated,and the influence of the hydraulic characteristics of the three fishways on the migration of the four major fish was mainly studied by using the same boundary conditions.The analysis shows that the main stream of the three fish passages is clear,the flow pattern is obvious,and the main flow pattern is less and less obvious from the bot-tom to the upper layer,and the flow velocity shows a decreasing trend.The average flow velocities of the double-sided vertical slot fishway,the opposite-sided vertical slot fishway and the Tesla valve fishway were 0.49,0.45 and 0.69 m/s,respectively,the average proportion of the return zone was 0.67,0.71 and 0.69,respectively,and the maximum flow velocity was 1.24,1.49 and 1.54 m/s,respectively.The maximum cross-sectional flow velocities of the double-sided vertical slot fishway,the opposite-sided vertical slot fishway and the Tesla valve fishway were 1.09,1.38 and 1.54 m/s,respectively,and the average flow velocity of the cross-section was 0.75,0.57 and 0.85 m/s.The maximum turbulent kinetic energy of 0.054 m2/s2 of the double-sided vertical slot fishway appeared behind the upper water separator,and the turbulent kinetic energy in most of the other areas was less than 0.05 m2/s2.The maximum turbulent kinetic energy of 0.072 m2/s2 of the opposite-sided vertical slot fishway occurs at the outlet of the vertical seam of the upper water body,and the turbulent kinetic energy of most of the other ar-eas is less than 0.05 m2/s2.The maximum turbulent kinetic energy of 0.221 m2/s2 of the Tesla valve fishway occurs in the unit loop of the upper water body,and the turbulent kinetic energy of most areas of the main channel is less than 0.05 m2/s2.The analysis shows that the flow veloci-ty and flow regime of the three fishways meet the fish migration conditions,and the turbulent kinetic energy of the fish migration route areas of the three fishways meets the fish migration conditions.The research results of this paper can provide ideas for fishway designs in the future. |
| Author | 黎伟 谭聪宇 |
| AuthorAffiliation | 西南石油大学机电工程学院,四川 成都 610500;石油天然气装备教育部重点实验室,四川 成都 610500 |
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| Author_FL | LI Wei TAN Cong-yu |
| Author_FL_xml | – sequence: 1 fullname: LI Wei – sequence: 2 fullname: TAN Cong-yu |
| Author_xml | – sequence: 1 fullname: 黎伟 – sequence: 2 fullname: 谭聪宇 |
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| ClassificationCodes | TV131 |
| ContentType | Journal Article |
| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DOI | 10.12396/znsd.240509 |
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| DocumentTitle_FL | Numerical Simulation Study and Feasibility Analysis of Hydraulic Characteristics of Tesla Valve Fishway and Vertical Slit Fishway |
| EndPage | 94 |
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| Issue | 11 |
| Keywords | 水力特性 特斯拉阀鱼道 竖缝式鱼道 流场 hydraulic characteristics vertical slot fishway flow field 数值模拟 Tesla Valve Fishway numerical simulation |
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| PublicationTitle | 中国农村水利水电 |
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| Publisher | 石油天然气装备教育部重点实验室,四川 成都 610500 西南石油大学机电工程学院,四川 成都 610500 |
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| Snippet | TV131; 为探究特斯拉阀鱼道和两种竖缝式鱼道能否满足鱼类洄游条件,基于Fluent采用标准RNG... |
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| Title | 特斯拉阀鱼道与竖缝式鱼道水力特性数值模拟研究及可行性分析 |
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