An experimental investigation into the properties of the wake behind a horizontal-axis wind turbine (HAWT) rotor is carried out at model scale, using a single slanted hot-wire probe.

在水平轴风力机模型不同尖速比条件下，利用旋转单斜丝热线在风轮下游进行尾迹流场速度测量。

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Then the theoretical concept model is established. Questionnaire is designed according to relative scale at home and abroad and the empirical investigation is then implemented.

根据国内外相关量表设计调查问卷相应的变量测量项目，以刚刚在超市、商场购物完毕的消费者为样本，进行实证调查。

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