从理论上分析了集中空调冷却水系统结垢、腐蚀、滋生菌藻的原因，给出了正确的运行管理方法。
Theoretically analyses the causes of scale, corrosion and bacterium and algae breeding, and proposes better operation and management methods.
指出集中空调冷却水系统为开式系统，一般不适用功率三次方定律，静压头应为冷却塔塔体扬程，并提出了冷却水泵变速时轴功率的计算公式；
Points out that the cubic law of pump power is not valid for the cooling water system of central air conditioning for it is an open system. The static head should be the lift in a cooling tower.
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