发布求助
文献互助 智能选刊 最新文献

China Rural Water and Hydropower最新文献

筛选
英文 中文
A Numerical Simulation of 3DUnsteady Flow in Roto?jet Pumps by Dynamic Mesh Technique 旋翼机三维非定常流动的数值模拟射流泵的动态网格技术
China Rural Water and Hydropower Pub Date : 2015-07-09 DOI: 10.1504/pcfd.2015.070447
S. Huang
{"title":"A Numerical Simulation of 3DUnsteady Flow in Roto?jet Pumps by Dynamic Mesh Technique","authors":"S. Huang","doi":"10.1504/pcfd.2015.070447","DOIUrl":"https://doi.org/10.1504/pcfd.2015.070447","url":null,"abstract":"By using 3Ddynamic mesh technique,the numerical simulation of the unsteady flow field in a roto-jet pump was performed in this work.The surface motion of the impeller computational domain was defined by the profile file in fluent commercial code,in which the rotational direction and speed of the impeller were specified.In the simulation by means of dynamic mesh technique,all the computational domains,as stationary,were set in an inertial reference frame.Three methods(spring-based smoothing,dynamic layering and local remeshing)were used to achieve mesh deformation.The time-dependent relations of velocity field,pressure,the outlet flow rate and the radial force were obtained by this unsteady simulation.After a startup stage the flow starts to exhibit time-periodic behavior corresponding to blade passing frequency of impeller.Radial force direction from the axis points to the back of the pick?up pipe.This work shows that dynamic mesh technique can achieve numerical simulation of three-dimensional unsteady flow field in roto-jet pump and have a strong versatility and broad application prospects.","PeriodicalId":113376,"journal":{"name":"China Rural Water and Hydropower","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130200087","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Application of Progressive Optimality Algorithm to Cascade Reservoir Optimal Operation in Flood Control 逐级优化算法在梯级水库防洪优化调度中的应用
China Rural Water and Hydropower Pub Date : 1900-01-01 DOI: 10.1201/b14013-13
Qi Jing-li
{"title":"Application of Progressive Optimality Algorithm to Cascade Reservoir Optimal Operation in Flood Control","authors":"Qi Jing-li","doi":"10.1201/b14013-13","DOIUrl":"https://doi.org/10.1201/b14013-13","url":null,"abstract":"According to the optimal operating problem of the river basin flood control,and to analysis of the inner relation among the inflow,discharged ability of the cascade reservoir and the flood peak discharge of the flood control point in the river,this paper puts forward the solving method combining the flood operating model with progressive optimality algorithm.The instance results show that this method successfully provides a set of simple,efficient and actual models and solutions for real-time flood dispatching and flood control system planning.","PeriodicalId":113376,"journal":{"name":"China Rural Water and Hydropower","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123818516","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整，为了账户安全，请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们：info@booksci.cn Book学术提供免费学术资源搜索服务，方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号：481959085
Book学术官方微信