2) oil whirl
油膜涡动
1.
This paper discusses the phenomena of oil whirl and oil oscillation occurred in fluid-lubricated bearing,and analyzes the phenomena theoretically and by experiments.
对柔性滑动轴承系统进行了油膜涡动及油膜振荡的理论研究与实验分析。
2.
, the Hilbert-Huang transform (HHT) method was applied to the detection and time-frequency analysis of oil whirl and oil whip.
将一种新的非平稳信号处理方法,即Hilbert-Huang(HHT)变换方法用于油膜涡动和油膜振荡的检测和时频分析。
3.
The mechanism of oil whirl and oil oscillation occurred in fluid-lubricated bearing is discussed,and the characteristic of oil whirl and oil oscillation with experiments is analyzed.
阐述滑动轴承油膜涡动和油膜振荡的机理,通过实验运用振动分析软件给出油膜涡动和油膜振荡的特征,分析影响轴承产生油膜涡动和油膜振荡因素,提出了防止油膜涡动及油膜振荡的措施,并给出一种新的油膜涡动和油膜振荡在线消除方法。
3) oil film whirl
油膜涡动
1.
An oil film whirl case appeared on a set of power equipment was investigated.
对大机组因润滑油入口温度偏低导致的电机轴承油膜涡动故障实例的系统特征进行了分析。
2.
The reasons and handling methods about C12-35/5 rotor oil film whirl forturbo generator units, associated with dong shan thermal power plant, are discussed.
对太原刚玉东山热电有限公司C12 - 35 / 5型汽轮机的非正常振动现象进行分析研究 ,发现运行中转子的油膜涡动引起的不平衡是振动的主要原因 ,并提出了解决办
3.
It is concluded that the causes of sudden vibration are oil film whirl and thermal unbalance of generator rotor resulting from interturn short-circuit and hindered winding expansion etc.
认为突发性振动原因是运行中转子的油膜涡动和匝间短路、线圈膨胀受阻等引起的热不平衡。
4) oil-film whirl
油膜涡动
1.
The result shows that oil-film whirl of sliding bearing with the turbine generator is easily influenced by the boundary conditions.
针对某船用汽轮发电机组出现的振动异常情况,通过机组振动测试分析,确定机组振动异常由轴承油膜涡动引起。
5) oil whirling
油膜涡动
1.
Diagnosis and analysis show that the steam turbine HIP rotor occurs oil whirling and oil whip.
给出了引起汽机高中压转子油膜涡动和油膜振荡的定性原因分析,提出了增大油孔、减少轴承宽度等处理措施,振动故障得到治理。
6) oil whip
油膜涡动
1.
2 of said turbine to vibrate inordinately during load pickup, with the conclusion that the principal culprit is oil whip.
该文以嵩屿电厂300MW机组(1号机组)1A小汽机的异常振动为案例,重点分析了该机组1A小汽机2号轴承振动在升降负荷过程中产生的异常振动,查找出引起异常振动的原因主要是油膜涡动,并采取了消振措施。
2.
It was investigated that the reason for unsteady vibration was caused by the rubbing between moving and stationary parts and oil whip,and the reasonable measures were prepared finally.
通过对某电厂#5机组#2轴瓦在启动过程中表现出的不稳定振动的现象及测试数据的分析,对振动故障进行了详细的诊断,查明了机组不稳定振动的确切原因是发生了动静碰摩和油膜涡动,并制定了合理的处理方案。
补充资料：油膜轴承油
分子式：
分子量：
CAS号：
性质：为抗氧防锈型润滑油。具有良好的粘温性能、抗氧化性、防锈性及抗泡沫性等。目前最重要为21号油膜轴承油，适用于轧钢机的动压、静压、动静压油膜轴承，也可用于低速、重负荷大型机械的滑动轴承。以原油经过常减压蒸馏、丙烷脱沥青、深度溶剂精制、溶剂脱蜡及补充精制所得润滑组分，再加入抗氧、防锈、抗泡沫添加剂调制而成。
分子量：
CAS号：
性质：为抗氧防锈型润滑油。具有良好的粘温性能、抗氧化性、防锈性及抗泡沫性等。目前最重要为21号油膜轴承油，适用于轧钢机的动压、静压、动静压油膜轴承，也可用于低速、重负荷大型机械的滑动轴承。以原油经过常减压蒸馏、丙烷脱沥青、深度溶剂精制、溶剂脱蜡及补充精制所得润滑组分，再加入抗氧、防锈、抗泡沫添加剂调制而成。
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