friction head loss

基本解釋

Influential factors of friction factor of head loss are analyzed by adopting artificial neural network (ANN).
采用神經(jīng)網(wǎng)絡（ANN）方法對沿程水頭損失系數(shù)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.
本文從微管滴頭摩阻水頭損失計算公式，分析探討減少滴灌系統(tǒng)運行工作壓力和抗堵塞性能的途徑。
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.
對于速度邊界層提出了相似性解的解析結(jié)果，給出了速度分布、邊界層厚度、摩擦阻力和水頭損失的解析計算表達式。