扩压旋风风能系统气动性能试验研究

在旋风式风能系统的旋风塔出口配以扩压器和降压挡板，可以成倍地降低旋风塔底部压力系数，从而大幅度地提高风力透平功率。为说明扩压器及挡板效应．分别对一般旋风塔和配有扩压器及挡板的旋风塔进行了对比试验，结果表明，后者与前者相比．塔底中心压力系数的绝对值高出约３００％，透平功率高出约７０％。

On the Diffuser-Tornado Wind Energy System

By means of allocating a diffuser and a baffle on the outlet of the tornado tower of the Tornado Type Wind Energy System, the pressure coefficient at the bottom of the tower may be dropped by several times, and hence increasing the power of the wind turbine. In order to determine the effects of the diffuser and the baffle, experiments were made on the ordinary tornado tower and the tower with diffuserbaffle attachment respectively. The results of the experiments indicate that, of the two system, the pressure coefficient in the bottom centre of the tower of the latter is greater than that of the former by about 300%, and consequently the power of the turbine of the latter is greater than that of the former by about 70%.