某型波浪发电装置3D打印样机飞逸转速的风洞测试与数值仿真  

The Wind Tunnel Tests and Three-dimensional Numerical Simulations of the Runway Speed of 3D-printed Wave Energy Converter

作　　者：郑贵林[1] 梁灿棉 ZHENG Gui-lin;LIANG Can-mian(Automation Department,School of Power and Mechanical Engineering,Wuhan University,Wuhan 430072,China)

机构地区：[1]武汉大学动力与机械学院,武汉430072

出　　处：《中国农村水利水电》2019年第5期175-178,183,共5页China Rural Water and Hydropower

摘　　要：差动垂直波浪能提取发电装置可以利用海洋表面波浪区与水下稳定区的波浪差动能量并通过上下定子的导流叶片使转子单向转动。利用3D打印机打印出一些小尺寸的样机,对这些样机进行风洞测试和三维数值仿真,对比两者飞逸状态下的转速,其结果表明:三维数值仿真计算得到的飞逸转速与风洞测试的飞逸转速较为接近,误差在10%以内,验证数值方法的可行性;在其他条件相同下,带圆弧形叶片的转子的飞逸转速比带折角形叶片的转子的飞逸转速高;在其他条件不变时,不同转动惯量的转子飞逸转速几乎不变。为今后探讨发电装置的发电效率、预测带有一定负载时转子的转速、对变速箱的设计以及对发电装置的仿真优化等提供一定的参考指导。The differential vertical wave energy converter can make use of the wave differential energy between the ocean surface wave area and the underwater stable zone and make the rotor rotates in a single direction through the upper and lower stator guide vanes. The 3D printer is used to print some small-sized prototypes, and the wind tunnel tests and three-dimensional numerical simulations are carried out to compare their runway speeds. The results show that the runway speeds of the 3D numerical simulations are close to the ones of the wind tunnel tests, the errors are within 10%, and the numerical method is verified. When the other conditions are the same, the runaway speeds of the rotors with circular arc blades are higher than that of rotors with folded angle blades. When the other conditions are constant, the runway speeds of the rotors with different moments of inertia are almost the same. It provides a reference for the future research on power generation efficiency, rotor speed prediction with a certain load, design of gearbox and optimization of power generation device.

关 键 词：波浪能发电 3D打印 风洞测试 数值仿真 

分 类 号：TV748[水利工程—水利水电工程] P743.2[天文地球—海洋科学]