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Progress in Computational Fluid Dynamics最新文献

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Optimisation of Francis turbine draft tube using response surface model 利用响应面模型优化混流式水轮机尾水管
IF 0.7 4区 工程技术
Progress in Computational Fluid Dynamics Pub Date : 2022-01-01 DOI: 10.1504/pcfd.2022.10052391
A. Kumar, A. Abbas
{"title":"Optimisation of Francis turbine draft tube using response surface model","authors":"A. Kumar, A. Abbas","doi":"10.1504/pcfd.2022.10052391","DOIUrl":"https://doi.org/10.1504/pcfd.2022.10052391","url":null,"abstract":"","PeriodicalId":54552,"journal":{"name":"Progress in Computational Fluid Dynamics","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66711375","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Value of blade number in centrifugal flow pumps in both turbine and pump mode through experimental and numerical means 通过实验和数值方法计算了涡轮和泵两种模式下离心泵叶片数的取值
IF 0.7 4区 工程技术
Progress in Computational Fluid Dynamics Pub Date : 2022-01-01 DOI: 10.1504/pcfd.2022.10048877
Punit Singh, T.-M. Fang, Tao Wang, Sun-sheng Yang
{"title":"Value of blade number in centrifugal flow pumps in both turbine and pump mode through experimental and numerical means","authors":"Punit Singh, T.-M. Fang, Tao Wang, Sun-sheng Yang","doi":"10.1504/pcfd.2022.10048877","DOIUrl":"https://doi.org/10.1504/pcfd.2022.10048877","url":null,"abstract":"","PeriodicalId":54552,"journal":{"name":"Progress in Computational Fluid Dynamics","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66711195","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Numerical investigations on the performance of Darrieus vertical axis wind turbine with NACA0017 blade profile NACA0017叶片型面Darrieus垂直轴风力机性能数值研究
IF 0.7 4区 工程技术
Progress in Computational Fluid Dynamics Pub Date : 2022-01-01 DOI: 10.1504/pcfd.2022.10048848
H. Chattopadhyay, S. Rahman, S. Karmakar
{"title":"Numerical investigations on the performance of Darrieus vertical axis wind turbine with NACA0017 blade profile","authors":"H. Chattopadhyay, S. Rahman, S. Karmakar","doi":"10.1504/pcfd.2022.10048848","DOIUrl":"https://doi.org/10.1504/pcfd.2022.10048848","url":null,"abstract":"","PeriodicalId":54552,"journal":{"name":"Progress in Computational Fluid Dynamics","volume":"10 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66711124","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Comparison between variable forcing techniques of the lattice Boltzmann method for turbulent flow simulations 网格玻尔兹曼法湍流模拟变强迫技术的比较
IF 0.7 4区 工程技术
Progress in Computational Fluid Dynamics Pub Date : 2022-01-01 DOI: 10.1504/pcfd.2022.10048996
Hadeer Mohamed, W. A. Kareem
{"title":"Comparison between variable forcing techniques of the lattice Boltzmann method for turbulent flow simulations","authors":"Hadeer Mohamed, W. A. Kareem","doi":"10.1504/pcfd.2022.10048996","DOIUrl":"https://doi.org/10.1504/pcfd.2022.10048996","url":null,"abstract":"","PeriodicalId":54552,"journal":{"name":"Progress in Computational Fluid Dynamics","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66711248","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Pre- and Post-Stall Characteristics of a Very Light Aircraft’s Wing for Different Design Parameters 超轻型飞机机翼在不同设计参数下的失速前后特性
IF 0.7 4区 工程技术
Progress in Computational Fluid Dynamics Pub Date : 2022-01-01 DOI: 10.1504/pcfd.2022.10050230
Kurtulus Dilek Funda, Berkan Anlr
{"title":"Pre- and Post-Stall Characteristics of a Very Light Aircraft’s Wing for Different Design Parameters","authors":"Kurtulus Dilek Funda, Berkan Anlr","doi":"10.1504/pcfd.2022.10050230","DOIUrl":"https://doi.org/10.1504/pcfd.2022.10050230","url":null,"abstract":"","PeriodicalId":54552,"journal":{"name":"Progress in Computational Fluid Dynamics","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66711336","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Dynamics of Supersonic Flow Past a New Cusped Leading Edge Airfoil 超声速气流通过一种新型锥形前缘翼型的动力学
IF 0.7 4区 工程技术
Progress in Computational Fluid Dynamics Pub Date : 2022-01-01 DOI: 10.1504/pcfd.2022.10052925
N. Hasan, Saif Akram
{"title":"The Dynamics of Supersonic Flow Past a New Cusped Leading Edge Airfoil","authors":"N. Hasan, Saif Akram","doi":"10.1504/pcfd.2022.10052925","DOIUrl":"https://doi.org/10.1504/pcfd.2022.10052925","url":null,"abstract":"","PeriodicalId":54552,"journal":{"name":"Progress in Computational Fluid Dynamics","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66711453","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Numerical Investigation of SD7062 Airfoil with SingleSlotted Flap for Different Flight Conditions SD7062单缝翼型不同飞行条件的数值研究
IF 0.7 4区 工程技术
Progress in Computational Fluid Dynamics Pub Date : 2022-01-01 DOI: 10.1504/pcfd.2022.10050486
Berkan Anlr, Kurtulus Dilek Funda
{"title":"Numerical Investigation of SD7062 Airfoil with SingleSlotted Flap for Different Flight Conditions","authors":"Berkan Anlr, Kurtulus Dilek Funda","doi":"10.1504/pcfd.2022.10050486","DOIUrl":"https://doi.org/10.1504/pcfd.2022.10050486","url":null,"abstract":"","PeriodicalId":54552,"journal":{"name":"Progress in Computational Fluid Dynamics","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66711055","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Numerical Investigation of Parietal Pressure Distribution on NACA0012 Wing Controlled by Micro-cylindrical Rod Arranged in Tandem 微柱杆串联控制NACA0012机翼顶压分布的数值研究
IF 0.7 4区 工程技术
Progress in Computational Fluid Dynamics Pub Date : 2022-01-01 DOI: 10.1504/pcfd.2022.10051919
F. Bakir, L. Menfoukh, H. Oualli, T. Azzam, F. Ravelet, M. Pereira, Abderrahim Larabi
{"title":"Numerical Investigation of Parietal Pressure Distribution on NACA0012 Wing Controlled by Micro-cylindrical Rod Arranged in Tandem","authors":"F. Bakir, L. Menfoukh, H. Oualli, T. Azzam, F. Ravelet, M. Pereira, Abderrahim Larabi","doi":"10.1504/pcfd.2022.10051919","DOIUrl":"https://doi.org/10.1504/pcfd.2022.10051919","url":null,"abstract":"The primary aim of this study is to investigate the influence of an upstream cylindrical rod on the laminar separated boundary layer that develops on a symmetrical profile wing operating at a Reynolds number of Re c = 4 . 45 × 10 5 . To get further insight onto the aerodynamic performances of this wing at low Reynolds number, numerical simulations with a transitional turbulence model are performed with the ANSYS-Fluent software. The passive flow control technique is applied by setting up a cylindrical rod of diameter d upstream of a NACA-0012 airfoil of chord lenght c . The dimensionless rod diameter with respect to the chord length is d/c = 2 / 150. Simulations are carried out over a wide range of angles of attack for both the baseline case and the controlled case by the passive proposed technique. The effects of the wing incidence on the parietal pressure distributions on the suction surface of the wing are examined. The results show that the Laminar Separation Bubble that is formed on the upper surface is moving upstream toward the leading edge as the incidence is increased. Moreover, qualitative analysis of the transition zone revealed that presence of the wing in the rod wake exerted considerable effect on the pressure coefficient. Particularly, this passive turbulence generator contributes to eliminate the boundary layer separation by forcing the shear layer to stick to the wing surface over a significant extent, resulting in a mean drag drop-ping of 73% at 12 ◦ incidence, and a lift enhancement of about 23% at an angle of attack of 15 ◦ .","PeriodicalId":54552,"journal":{"name":"Progress in Computational Fluid Dynamics","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66711297","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Simplified level set method coupled to stabilised finite element flow solver for moving boundaries 移动边界的简化水平集法与稳定有限元流动求解
IF 0.7 4区 工程技术
Progress in Computational Fluid Dynamics Pub Date : 2022-01-01 DOI: 10.1504/pcfd.2022.120265
Ahmed Bayram Mohamed, Mohamed Abdulrahman, A. Guaily
{"title":"Simplified level set method coupled to stabilised finite element flow solver for moving boundaries","authors":"Ahmed Bayram Mohamed, Mohamed Abdulrahman, A. Guaily","doi":"10.1504/pcfd.2022.120265","DOIUrl":"https://doi.org/10.1504/pcfd.2022.120265","url":null,"abstract":"","PeriodicalId":54552,"journal":{"name":"Progress in Computational Fluid Dynamics","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66711524","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Finite element simulations of thin films flowing down planes or cylinders 薄膜沿平面或圆柱体流动的有限元模拟
IF 0.7 4区 工程技术
Progress in Computational Fluid Dynamics Pub Date : 2021-04-06 DOI: 10.1504/PCFD.2021.10036932
Chicheng Ma, Wei Wang, Mingyue Shao, Zonghe Guo
{"title":"Finite element simulations of thin films flowing down planes or cylinders","authors":"Chicheng Ma, Wei Wang, Mingyue Shao, Zonghe Guo","doi":"10.1504/PCFD.2021.10036932","DOIUrl":"https://doi.org/10.1504/PCFD.2021.10036932","url":null,"abstract":"This paper considers contact line dynamics for liquid films flowing down planes or cylinders. Finite element modelling are introduced based on the open-source finite element software Freefem++. Using the reduced model of thin liquid films, the weak form of the partial differential equations are derived for finite element simulations. Both two-dimensional flow and three-dimensional flow of thin films are numerically simulated and the surface instability is analysed. The results obtained in this paper show good agreement with the results from the previous investigation. Results show that travelling wave phenomena is found in the time evolution while a unperturbed initial contact line is given. If given a small perturbed initial contact line, pattern of viscous fingers appears. The radius of the cylinder plays an important role in the flow pattern, and the number of fingers is approximately linearly with the radius of the cylinder. The proposed method and calculation code are useful for gaining better insight into the thin liquid film problems.","PeriodicalId":54552,"journal":{"name":"Progress in Computational Fluid Dynamics","volume":" ","pages":""},"PeriodicalIF":0.7,"publicationDate":"2021-04-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44198340","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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