1) sticky frictional resistance
粘滞摩擦阻力
1.
However, the effect caused by the sticky frictional resistance on the magnitude of the metrical cycle is existed, through detailed analysis of the resistance in the course of motion as a slippery object moving back and forth on the gas track, theoretically, the additional cycle formula reflecting the sticky frictional resistance is deduced theoretically.
在气轨上测量简谐振动周期时摩擦力几乎为零 ,但粘滞摩擦阻力的影响却是客观存在的 。
2) viscous force of friction
粘滞性摩擦阻力
1.
But in actual experimental process,the viscous force of friction has influenc in the varying degree to the measurement result when the initial velocity of the slide block is different.
在气垫导轨上做碰撞实验,最大限度地减少了摩擦阻力的影响,但在实际的实验过程中,仍发现滑块的初速度不同时,粘滞性摩擦阻力对测量结果有不同程度的影响,为此在气垫导轨上增加了电子发射装置,较好地控制滑块的初速度和测量滑块的加速度,从而减小粘滞性摩擦阻力对测量结果的影响。
4) viscous friction
粘滞摩擦<液>
5) viscous drag
粘性阻力，粘性摩擦
6) Frictional Resistance
摩擦阻力
1.
Influence of the frictional resistance for deadline anchor axis on weight indicator accuracy;
死绳固定器轴上摩擦阻力对指重表精度的影响
2.
Influences of frictional resistance on flow distributions of the dividing and combining manifolds;
摩擦阻力对分流和汇流联箱流量特性影响
3.
A method for lateral buckling analysis of tubing with frictional resistance in deviated wells was presented.
提出了在斜直井中钻柱正弦屈曲分析时对摩擦阻力的处理方法,给出了考虑摩擦阻力时的屈曲平衡方程,建立了相应的微分求积法列式,用微分求积法时平衡方程直接求解。
补充资料：风流摩擦阻力
风流摩擦阻力
friction resistance of airflow
卞engi一u moeo zull风流摩擦阻力(frietion resistanee of airflow) 风流与井巷周壁间摩擦和风流微团或流层间摩擦所产生的切应力。风流以层流状态沿井巷流动时，摩擦阻力与平均风速的一次方成正比;风流以稳定紊流状态沿井巷流动时，摩擦阻力与平均风速的二次方成正比。矿内风流多属稳定紊流，摩擦阻力等于井巷风阻与风量平方之积: 凡一尺fQZ _a尸L R一‘汁于二 S3式中hf为紊流摩擦阻力，Pa;尺f为井巷的摩擦风阻，N‘52/m“，其值取决于井巷的几何尺寸和周壁的粗糙度，与风量无关;Q为流过的风量，m“，/s;尸为井巷净断面的周边长，m;L为井巷的长度，m;S为井巷净断面面积，mZ;a为井巷摩擦阻力系数，N·52/m书。井巷摩擦阻力系数，是由井巷周壁的粗糙度和流过井巷空气的密度所决定的常数。混凝土砌碳的巷道，。为。，。。4一0.。。8，无支护巷道为0.008~。.016，木棚和其他棚架支护巷道为0.016一。.024，有装备物的井筒为().024~0.050。 (陈旺星)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条