在运用冷却水系统水力计算理论的基础上 ,求出了不同流量、不同流速、不同管径条件下 ,冷却水管道沿程比摩阻 ,并制成了快速水力计算表。应用该计算表可迅速、准确地计算出冷却水系统的管道阻力。最后 ,用实例对冷却水系统的水力计算方法做了详细说明 Based on the theory of hydraulic calculation of cooling water system, the specific frictional resistance along the cooling water pipe under different flow rates, different flow rates and different pipe diameters was obtained and a quick hydraulic calculation table was made. The calculation of the table can be quickly and accurately calculate the cooling water pipe resistance. Finally, an example is given to illustrate the hydraulic calculation method of cooling water system