新型纳米流体冷却液应用于风力发电机组冷却系统中的可行性分析

Feasibility Analysis on Application of New Nanofluid Coolant in Wind Turbine Generator Set Cooling System

在风力发电机组冷却系统中应用一种新型纳米流体冷却液,探究其对风力发电机组的发电效率和散热效率的影响。结果表明:相比于国产传统冷却液,应用纳米流体冷却液机组的发电效率提高了4.9%~6.2%,散热效率提高了10%~27%;在换热总容量的许可范围内,换装纳米流体冷却液的方法与加大换热器散热面积的冷却效果相同。借助纳米流体的高热导率、低腐蚀率和高沸点的特性,可以提高发电效率,降低设备的维护成本,该技术具有实用化和可行性。

With the application of a new type of nanofluid coolant in wind turbine generator set cooling system,the influence of the nanofluid coolant on the power generation efficiency and heat dissipation efficiency of the wind turbine generator set was researched.Results show that,with the application of nanofluid coolant compared with domestic coolant,the power generation efficiency is increased by 4.9%to 6.2%,and the heat dissipation rate is increased by 10%to 27%.Within the allowable range of the total heat exchange capacity,the method of changing nanofluid coolant can obtain the same cooling effect as increasing the heat dissipation area of the heat exchanger.Through utilizing the high thermal conductivity,low corrosion rate,and high boiling point characteristics of nanofluids,the power generation efficiency can be increased and the equipment maintenance costs can be reduced.This technology has a practical application and is feasible.