1) transient force
瞬态碰摩力
2) dynamic friction force
瞬态摩擦阻力
1.
The variation of mold dynamic friction force with oscillation curve was studied in hot experiment by mold simulator with servo hydraulic control oscillation system.
应用连铸结晶器凝固综合模拟装置，研究了结晶器瞬态摩擦阻力随结晶器振动的变化规律。
3) rub-impact force
碰摩力
1.
In this thesis, a mass of research has been done on the stability of rotor system of scale large rotating machinery, in which most systemic theory research and numerical emulation has been done mainly in the influence of the stability of rotor system caused by nonlinear rub-impact force and unsteady oil-film force.
本文就大型旋转机械中的转子系统稳定性做了大量的研究工作,其中主要针对非线性碰摩力和非稳态油膜力对转子系统稳定性的影响做了较为系统的理论研究和数值仿真,为转子系统安全运行和故障诊断提供了依据和参考。
5) Transient collisional excitation
瞬态碰撞激发
1.
For the advantages of low driven energy, high efficiency and easy downsizing, transient collisional excitation X-ray lasers propel the development of the X-ray lasers rapidly.
瞬态碰撞激发X射线激光由于其所需驱动能量低、效率高和容易台式化等优点,极大地推动了X射线激光的发展。
6) one-dimensional instantaneous collision
一维瞬态碰撞
1.
The data of the one-dimensional instantaneous collision experiment are recorded by collision process instantaneous digital instrument.
在一维瞬态碰撞实验中使用了碰撞过程瞬态数字测量仪测量冲力数据,本文对实验装置及数据的采集、转换和输出进行了介绍,编写了相关的程序对碰撞开始数据进行判断,选择适当的采样周期以提高实验精度,并将实验扩展到牛顿第二定律及研究完全非弹性碰撞。
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