风机风能密度增加装置的设计

如何更经济地提高风机的单机容量是风力发电的核心问题之一。本文根据流体力学的基本原理,研制了一种收缩喷管状的"风能密度增加装置";使风吹到风机叶片之前在风速增加管中进行加速,从而增加风能密度。试验结果表明:出风口处风速是进风口的1.9倍,风能密度提高为6.9倍,总动能变为1.74倍。动能的增加量是由于进风口处的部分压力能转化为出风口处的动能。由于风机的单机容量与风能密度成正比,因此该装置可以成倍的提高风机的单机容量。

Design of Wind Energy Density Increasing Device of Fan

One of the key problems existed in power generation with wind energy is how to economically increase the single-machine capacity of fan.A shrinkage nozzle type device of increasing wind energy density was developed according to the basic principle of hydrodynamics,which increased the wind energy density by accelerating in tube of increasing wind speed before the wind blew to blade of fan.The test results showed that the wind speed at air outlet was 1.9 times higher than at air inlet,the wind density increas...