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Research on hydrokinetics characteristics of rotating pipe fluid in the crossed electric and magnetic field

Journal of Harbin Institute of Technology(New Series) 2007年第1期14卷 5-8页

作者：郭斌张鹏程树康 School of Materials Science and Engineering Harbin Institute of Technology School of Electrical Engineering and Automation Harbin Institute of Technology

The rotating pipe fluid in the crossed electric and magnetic field not only suffered the forces in the steady condition, but also suffered Coriolis force, centrifugal force because of rotation and electromagnetic volume force. The motion equation of fluid and the hydrokinetics equations of rotating pipe were described in the Cartesians coordinates. The equations showed that the solutions to hydrokinetics equations of rotating pipe in the crossed electric and magnetic electromagnetic field were highly complicated and numerical calculations were also astronomical. The pressure distribution and temperature distribution of one dimension were solved using the electromagnetic equations set. The results showed that the fluid in rotating pipe was in the asymmetrical pressure field and temperature field because it was in the energy exchange and thermo-electrical coupling course. The primary characteristic of flow course could be expressed using the proposed hydrokinetics equations.

关键词： crossed electric and magnetic electromagnetic fields rotating pipe hydrokinetics flow equations

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Evaluation of the Power Generation Capacity of Hydrokinetic Generator Device Using Computational Analysis and Hydrodynamic Similitude

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Journal of Power and Energy Engineering 2015年第8期3卷 71-82页

作者： Oladapo S. Akinyemi Terrence L. Chambers Yucheng Liu Department of Mechanical Engineering University of Louisiana at Lafayette Lafayette USA Department of Mechanical Engineering Mississippi State University Starkville USA

This paper presents a similitude and computational analysis of the performance of a scaled-down model of a paddle wheel style hydrokinetic generator device used for generating power from the flow of a river. The paddle wheel dimensions used in this work are one-thirtieth scale of the full-size paddle wheel. The reason for simulating the scaled-down model was to prepare for the testing of a scaled-down physical prototype. Computational Fluid Dynamics using ANSYS Fluent 14.0 software was used for the computational analysis. The scaled-down dimensions were used in the simulations to predict the power that can be generated from the scaled size model of the paddle wheel, having carried out similitude analysis between the scaled down size and its full-size. The dimensionless parameters employed in achieving similitude are the Strouhal number, power coefficient, and pressure coefficient. The power estimation of the full-size was predicted from the scaled size of the paddle wheel based on the similitude analysis.

关键词： Similitude Paddle Wheel CFD Power Generation hydrokinetics

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