It is convenient to use the table to calculate cooling water system's piperesistance.
应用该计算表可快速、确地计算出冷却水系统的管道阻力,使用起来非常方便。
2
The paper introduces the approximate formula for the head curve of pump, the piperesistance curve of system and the efficiency of pump with relative value.
介绍了扬程特性、管阻特性和水泵效率的相对值近似表达式。
3
Basically, those steel pipe materials which, with adequately high strength, show sufficient toughness, good welding behaviour and resistance to corrosive media are in demand.