Yichen Jiang   

Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates

Title : Vice Director, Institute of Marine Hydrodynamics

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Language:English

Paper Publications

Title of Paper:CFD-based analysis of the effect of wind speed on wind energy utilization of vertical axis wind turbines

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Date of Publication:2018-10-01

Key Words:计算流体力学;滑移网格;有限体积法;风能利用率

Abstract:风力发电机在运行过程中会遭遇各种风况,不同的风况对风机的运行效率有很大影响,因此研究不同风况下风机的空气动力学性能具有一定意义。本文采用基于计算流体力学的数值方法,不同域之间采用了滑移网格技术进行域之间的数据交换,利用有限体积法对三叶片H型垂直轴风机进行三维数值模拟,并与实验数据进行对比,验证了方法的有效性。对风机进行不同风速下的数值计算,获得叶轮不同风速下所受的扭矩和风能利用系数,然后分析其扭矩和风能利用率随风速的变化规律。

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