A computer program to calculate rotordynamic coefficients and leakage of smooth and grooved seals is designed,in which,solutions of complex ordinary differential equations have to be solved for grooved seals are involved.
参考文献［１］，将Ｈｉｒｓ紊流整体流动理论进行扩展，在Ｃｈｉｌｄｓ环形密封有限长解的基础上，引入平均槽深，并研制出计算程序，对光滑密封和沟槽密封动特性系数及泄漏流量进行了分析计算，对沟槽密封的复数常微分方程组进行求解。
Based on the analysis on the cause of the emulsion leakage from the legs of ZFS6200 roof support,the design of both the seal bud ring and the sealing groove has been optimized and the problems have been successfully solved.
分析了ZFS6200支架立柱带液的原因,针对分析的结果,对起密封作用的蕾形圈以及安装蕾形圈的密封沟槽进行了优化设计,解决了立柱带液问题,并把这种处理方式应用到其他类型支架有带液问题的立柱中。
Problems with sealing oil and hydrogen system of 660 MW power generator and countermeasures;
660MW机组发电机密封油及氢气系统存在问题分析及对策
The significance of high performance sealing oil to MAN gasholder was introduced from the views of viscosity - temperature property and de - emulsibility of oil, high performance sealing oil might not only ensure the gasholder running safety, but also have the better comprehensive economic benefit.
从油品的粘温性能和破乳化性能方面介绍了高性能密封油在曼式气柜中的重要性,高性能密封油不仅可以确保气柜安全运行,而且还具有较好的综合经济效益。
The contrast test of sealing oil resumption for M.
对曼型干式燃气储罐密封油的对比试验表明,添加适宜的物质能恢复在用密封油的防腐性能,提高油水分离能力。
The performance requirements and characteristics of seal oil for thin oil-sealed piston-type gasholder are introduced.
介绍了稀油密封干式储气罐密封油的性能要求及性能特点,结合干式储气罐密封油使用过程中可能出现的问题,对干式储气罐密封油的使用维护提出了针对性的建议。
It presents the harms of common defects in seal oil system of some 600MW power generation unit,analyzes the causes for such defects and proposes solutions.
介绍了某国产600MW发电机组密封油系统常见缺陷的危害,分析了常见缺陷产生的原因,提出了解决的方案。
Waterproofing and sealing of shield tail and sealing grease
盾构法隧道的盾尾防水密封与盾尾密封油脂
Faults analysis and its contermeasures to the sealing oil system of 300 MW generator
300MW机组密封油系统故障分析和对策
oil pressure test for tightness
油密试验油压密封试验
DSS tubing joint
双密封专用油管接头
oil sealed rotary vacuum pump
油密封式旋转真空泵
Piston rings not sealing (oil being consumed by the engine).
活塞环没密封（引擎用油）。
overshot tubing seal divider
打捞筒油管密封分压器
oiled sealed waterless gasholder
上油密封干式煤气柜
oil pressure test for strength and tightness
强度和密封性油压试验油压及强度密封试验
sealing compound
电缆膏； 封口膏， 密封剂， 油灰， 腻子； 电瓶封口填料； 密封接合物
Taper type hanger and straight type hanger are available for tubing head.
油管挂的密封形式有非金属密封(图一)金属密封(图二)种形式。
Optional mounting configurations (clamp, flange, plate) and tank sealing solutions (packed, mechanical, lip) are available upon request.
可提供多种安装结构（卡盘式，法兰式，板式）和槽罐密封形式（填料密封，机械密封，油密封）。
If the leakage occurs at the rear oil seal area, refer to the section, Inspection for Rear Seal Area Leak.
如果泄漏发生在后机油密封区，参看“后机油密封区泄漏的检查”一节。
Study of Sealing Performance and Wear Mechanism of Oil Seal Used in Engine
发动机油封的密封性能及磨损机理研究
Research on Thermal Spraying for Flow Oil-seal Ring and Its Application
浮动油封密封环热喷涂工艺的应用研究
flat-top sealed can
带平顶盖的密封罐(润滑油用)
This article make a anylysis of the damage cause of sealing element.
分析了液压油缸密封件损坏的原因。
sealed housing evaporative emission determinatio
密封外壳燃油蒸发排出物确定
