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Design and Experimentation of a Hydrokinetic Turbine for Electricity Generation in Closed Pipes 用于封闭管道发电的水动力涡轮机的设计与实验
WSEAS TRANSACTIONS ON FLUID MECHANICS Pub Date : 2024-02-23 DOI: 10.37394/232013.2024.19.7
Javier Armañanzas, Marina Alcalá, Juan Pablo Fuertes, Javier Leon, Alexia Torres, Miguel Gil
{"title":"Design and Experimentation of a Hydrokinetic Turbine for Electricity Generation in Closed Pipes","authors":"Javier Armañanzas, Marina Alcalá, Juan Pablo Fuertes, Javier Leon, Alexia Torres, Miguel Gil","doi":"10.37394/232013.2024.19.7","DOIUrl":"https://doi.org/10.37394/232013.2024.19.7","url":null,"abstract":"In the present research work, a device for electrical energy generation to be used in water pipelines has been designed, simulated, and tested. To achieve this, a study of the most influential parameters involved in the experiment has been carried out and both, the turbine model and the geometry of the experimental test pipe, have been selected through CFD simulations. Next, the Design of Experiments (DOE) has been used to obtain the configuration with a higher energy extraction from running water. Finally, the turbine and the test pipe section have been manufactured by 3D printing and the experimental tests have been carried out with the optimal configuration to validate the results obtained in the CFD simulations. To simulate the exchange of energy between the water and the turbine, the CFD software SIMULIA XFlow has been used.","PeriodicalId":510564,"journal":{"name":"WSEAS TRANSACTIONS ON FLUID MECHANICS","volume":"5 10","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140436362","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
Numerical Analysis on Stagnation Point Flow of Micropolar Nanofluid with Thermal Radiations over an Exponentially Stretching Surface 带有热辐射的微极性纳米流体在指数拉伸表面上的停滞点流动数值分析
WSEAS TRANSACTIONS ON FLUID MECHANICS Pub Date : 2024-02-01 DOI: 10.37394/232013.2024.19.4
Feras M. Al Faqih, K. Rafique, Sehar Aslam, Mohammed Z. Swalmeh
{"title":"Numerical Analysis on Stagnation Point Flow of Micropolar Nanofluid with Thermal Radiations over an Exponentially Stretching Surface","authors":"Feras M. Al Faqih, K. Rafique, Sehar Aslam, Mohammed Z. Swalmeh","doi":"10.37394/232013.2024.19.4","DOIUrl":"https://doi.org/10.37394/232013.2024.19.4","url":null,"abstract":"Several industrial developments such as polymer extrusion in metal spinning and continuous metal casting include energy transmission and flow over a stretchy surface. In this paper, the stagnation point flow of micropolar nanofluid over a slanted surface is presenting also considering the influence of thermal radiations. Buongiorno’s nanoliquid model is deployed to recover the thermophoretic effects. By using similarity transformations, the governing boundary layer equations are transformed into ordinary differential equations. The Keller-box approach is used to solve transformed equations numerically. The numerical outcomes are presented in tabular and graphical form. A comparison of the outcomes attained with previously published results is done after providing the entire formulation of the Keller-Box approach for the flow problem under consideration. It has been found that the reduced sherwood number grows for increasing values of radiation parameter while, reduced Nusselt number and skin friction coefficient decreases. Furthermore, the skin-friction coefficient increases as the inclination factor increases, but Nusselt and Sherwood's numbers decline.","PeriodicalId":510564,"journal":{"name":"WSEAS TRANSACTIONS ON FLUID MECHANICS","volume":"37 30","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139684205","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
Numerical Simulation of Turbulent Flows using the SST-SAS Model 利用 SST-SAS 模型对湍流进行数值模拟
WSEAS TRANSACTIONS ON FLUID MECHANICS Pub Date : 2024-01-29 DOI: 10.37394/232013.2024.19.3
Mauro Grioni, Sergio Elaskar, Pascal Bruel, A. Mirasso
{"title":"Numerical Simulation of Turbulent Flows using the SST-SAS Model","authors":"Mauro Grioni, Sergio Elaskar, Pascal Bruel, A. Mirasso","doi":"10.37394/232013.2024.19.3","DOIUrl":"https://doi.org/10.37394/232013.2024.19.3","url":null,"abstract":"Turbulent flows play a crucial role in various engineering and scientific applications, and the accurate prediction of these flows remains a challenging task. This review explores the application of the Shear Stress Transport Scale-Adaptive Simulation (SST-SAS) turbulence model for solving incompressible turbulent flows, with a specific focus on unsteady wakes behind bluff bodies. Providing a concise overview of the model’s formulation and its advantages, this article highlights the efficacy of the SST-SAS model in simulating the intricate dynamics in different configurations of circular cylinders. The present study affirms that the SST-SAS model can be considered a highly viable alternative for simulating unsteady flows around bluff bodies due to the good predictive quality of the resulting simulations.","PeriodicalId":510564,"journal":{"name":"WSEAS TRANSACTIONS ON FLUID MECHANICS","volume":"58 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140487205","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
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