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我們于1961年在天津市的一些工厂中,选择了效果較好的几种局部降溫軸流式风扇,作了降温效果的测定和評价,以供各厂在防暑降溫中采用时参考。几种軸流式风扇的制造工厂及性能规格介绍見表1):
In 1961, in some factories in Tianjin, we selected several local cooling axial fans with good effect and made the measurement and evaluation of the cooling effect for reference when the plants used in sunstroke cooling. Several axial flow fan manufacturing plant and performance specifications described in Table 1):