friction head loss

基本解释

Influential factors of friction factor of head loss are analyzed by adopting artificial neural network (ANN).
採用神經網絡（ANN）方法對沿程水頭損失系數的影響因素進行了分析。
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.
本文從微琯滴頭摩阻水頭損失計算公式，分析探討減少滴灌系統運行工作壓力和抗堵塞性能的途逕。
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.
對於速度邊界層提出了相似性解的解析結果，給出了速度分佈、邊界層厚度、摩擦阻力和水頭損失的解析計算表達式。