friction head loss

基本解释

Influential factors of friction factor of head loss are analyzed by adopting artificial neural network (ANN).
采用神经网络（ANN）方法对沿程水头损失系数的影响因素进行了分析。
The author discussed the ways of reducing the micro-irrigation system's pressure at work and the functions of antifouling based on the formulation of the friction loss of micro tube emitter head.
本文从微管滴头摩阻水头损失计算公式，分析探讨减少滴灌系统运行工作压力和抗堵塞性能的途径。
Calculation formula of velocity distribution, boundary layer thickness, friction force and loss of water head are given out , in accordance with the result from theory analysis of similitude solution.
对于速度边界层提出了相似性解的解析结果，给出了速度分布、边界层厚度、摩擦阻力和水头损失的解析计算表达式。