Magnetic fluid seal structure is analyzed by the finite element method (FEM) in this article.
本文利用有限元数值计算方法对磁流体密封结构进行了分析。
Current situation and main results of the research on magnetic fluid seal (MFS) is described. Developmental tendency of MFS is analyzed.
介绍了磁性液体密封(MFS)研究的现状及主要研究成果。分析了MFS的发展趋势。
Magnetic fluid seal is wildly used in pump, valve and kettle of the petroleum and chemical industry because of its low wear and long life.
磁流体密封技术具有无磨损、使用寿命长及适用于静动密封的特点，正被广泛应用于石油化工的泵、阀、釜及压缩机等领域。
Through the comparative experiments between dynamical sealing and still sealing, to study the impact of rotate speed on the magnetic fluid seal.
通过动、静密封的比较实验，研究了转速对密封能力的影响。
In this paper, computation and experimental study of the seal capacity for magnetic fluid seal were carried, on the basis of the theory of the magnetic fluid seals.
本文在磁性流体密封理论的基础上计算了磁性流体密封的耐压能力，并进行了实验研究。
To solve the problem with the application of magnetic fluid seal, the relationship between its polar structural parameters and sealing performance must be clarified.
为了解决磁性流体密封的实际应用问题，必须解决密封磁极结构参数与密封性能的关系。
The analysis of the corrosion in refinery low-pressure fluid seal gas holder reveals that the corrosion is mainly caused by the sour gas containing H_2S and CO_2, etc.
对炼油厂低压湿式螺旋气柜的腐蚀原因进行分析，结果表明：腐蚀主要是由H_2S和CO_2等酸性气体引起。
Magnetic fluid sealing technology is a brand new sealing technology for rotating shaft dynamic seal by using amorphism of magnetic fluid and its response characteristics to magnetic field.
磁流体密封技术是利用磁流体形态的无定形性和它对磁场的响应特性将其应用于旋转轴动密封的一种全新的密封技术。
For the disadvantage of mechanical seal and stuffing seal used widely in kneader, a magnetic fluid seal structure was designed for kneaders which are often with bulky shaft and high rotation speed.
针对捏合机上普遍采用的填料密封及机械密封的不足，设计了一种磁流体密封装置。
Engineers had spent days pumping heavy drilling fluid into the leaking well head on the ocean floor in a high-pressure bid to smother the gushing crude and ultimately seal the well with cement.
工程师们数日来一直向海底的泄漏油井泵入大量的钻探泥浆，希望用高压堵住喷涌的原油，最后用水泥封死油井。
Seal gaskets are closed in the support points of plates resist high press fluid impact and prevent leak out of fluids. Twice gelatinize technology make gasket firm connected.
处于板片有力支撑点包围中的密封垫片，能承受较大的流体冲击，不会泄漏，两次涂胶工艺保证了密封垫片牢固粘接。
Fluid pressure on one side of the gate presses it against the opposite seat with great force and improves the seal.
闸板压力侧的流体压力使另一侧的阀座受较大的力，提高了密封性。
For safety consideration due to ruptured seal, reaction of capillary fluid with process fluid should be carefully examined.
由于密封破裂出于安全考虑，宜谨慎测试毛细管充液和工艺介质的反应。
In the experiment, the relationship between the seal capacity of magnetic fluid and the different seal gap is determined.
试验中采用不同的密封间隙，以确定磁流体密封能力与密封间隙之间的关系。
Therefore cap rocks with bedding faults can seal higher hydrocarbon column height and fluid pressure and thus facilitates the formation of larger scale hydrocarbon accumulations.
如果盖层中发育顺层断层，盖层的封盖能力将被大大改善，将能够封盖更大的油气高度或者流体压力，利于形成更大规模的油气藏。
Fluid in the labyrinth seal flow process, to follow all the control of fluid flow equation.
流体在迷宫密封内的流动过程，遵循流体流动的所有控制方程。
Besides the minority of strong oxidizer outside, it can be used to seal hot water, overheating steam, heat transfer fluid, ammonia solution, hydrocarbons, low temperature liquids, and other media.
除少数的强氧化剂外，它能用于密封热水、过热蒸气、热传递流体、氨溶液、碳氢化合物、低温液体等介质。
Is mainly the hydraulic pipe damage or the hydraulic fluid pipe connection seal is lax, should replace or the repair promptly, ceases the oil leak.
主要是液压管损坏或液压油管接头密封不严，应及时更换或修复，杜绝漏油。
From the aspects of material mechanics and fluid mechanics, discusses the design reason of elastic toothed belt vapour seal and its theory foundation.
从材料力学及流体力学角度探讨了弹性齿汽封设计的依据及其存在的理论基础。
The distribution of flow field in clearance seal with balanced-pressure grooves is calculated by using the method of computing fluid mechanics.
使用计算流体力学的方法，计算增加压力平衡槽后间隙密封中的流场分布。
Hydraulic fluid power - housing for elastomer - energized, plastic - faced seals - dimensions and tolerances - rod seal housings.
液压流体动力。弹性体塑料面密封件的汽缸。尺寸和公差。活塞杆密封汽缸。
This system tests seal rings and records the volume of fluid that leaks past the rings at variable temperatures, pressures and speeds.
此系统用于测试密封圈并记录部件泄露的流体在不同容量，温度、压力和速度下部件泄露的流体量。
A sophisticated triple mechanical seal system prevents leakage of the pumped fluid whilst highly polished pump internals minimize damage to the forming polymer chains.
三道机械密封防止介质的泄漏，同时泵内部的高度抛光降低了对形成的聚合物链的损害。
Three dimensional annular seal flow field was simulated quasi-steadily with computational fluid dynamics (CFD) method in a rotating reference frame. The Rotordynamic coefficients were calculated.
应用计算流体力学(CFD)方法对转动坐标系下的三维环形密封流场进行了准稳态数值模拟，在此基础上进行了转子动力系数的计算。
The results of calculation indicates that the static axial stiffness of fluid film in double spiral groove face seal is improved due to the pressure loss through feeding holes.
计算结果表明， 供液小孔所产生的压力损失提高了双列螺旋槽机械密封的静态轴向刚度。
A resinous preparation of shellac and turpentine that is soft and fluid when heated but solidifies upon cooling, used to seal letters, batteries, or jars.
一种加热时柔软流动而冷却即凝固的富含虫胶和松脂的树脂品，用于给信件、电池或罐子封口。
High Reliability: The seal contains a simple, permanent magnetic structure and a non-wearing magnetic fluid. The only parts subject to mechanical wear are self-contained ball bearings.
良好可靠性：密封圈由永磁结构和稳定的磁性流体组成，所以机械磨损仅发生在轴承上。
A seal between the piston and the interior of the plunger prevents air or fluid from passing by the piston into the plunger.
在活塞和柱塞内部之间的密封件可防止空气或液体利用活塞而进入柱塞。
A seal between the piston and the interior of the plunger prevents air or fluid from passing by the piston into the plunger.
在活塞和柱塞内部之间的密封件可防止空气或液体利用活塞而进入柱塞。
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