1) cylindrical gas seal
柱面气膜密封
1.
Aimed at the herringbone spiral grooved structure in the cylindrical gas seal,the analysis and calculation were carried out with the change of different spiral grooved parameters and the stability performance of the seal.
针对柱面气膜密封中的人字形螺旋槽结构,采用了几何结构适应性强的有限元法对密封气膜的压力场进行数值计算;定量地计算分析了螺旋槽结构参数对密封特性的影响,建立了螺旋槽几何结构参数变化对承载力、摩擦转矩、泄漏量等影响的规律曲线。
2) gas film face seal
端面气膜密封
1.
Dynamic coefficients for gas film face seal;
端面气膜密封动力特性系数的计算
2.
To guide the choice of face type for gas film face seal, the sealing characteristics of some typical face configurations, which were often used in gas film face seal, are quantitatively analyzed and compared.
针对端面气膜密封设计中遇到的几种典型端面结构 ,对它们的密封特性进行了定量的分析比较 ,特别是建立了不同典型端面的密封特性与膜厚的关系 ,有利于指导端面气膜密封的端面选型。
3) gas film seal
气膜密封
1.
A double-faced configuration of the gas film seal in counter-rotating shafts was studied,including the working principle of gas film seal and the calculation of the system balance.
对一种反转轴间双向气膜密封结构进行了研究,分析了其工作原理和系统平衡求解的过程。
2.
The structure,performance and features of a newly developed non-contacting gas film seal were introduced.
介绍了一种新型气膜密封结构、性能特点及其应用。
4) gas face seal
气膜密封
1.
The influence of seal face s isotropy roughness on spiral grooved gas face seal performance at low speed was analyzed by finite element method.
理论分析表明:低速运转条件下,表面粗糙度对气膜机械密封各项性能均有较大的影响,在研究气膜机械密封特性时,要考虑表面粗糙度的影响;在特定膜厚条件下,当膜厚与粗糙度均方根的比值大于3~4时,表面粗糙度对密封性能的影响可以忽略不计;在较大粗糙度下,虽然密封开启力、气膜刚度随转速增加而显著提高,但同时泄漏量也明显加大,因此随着转速增加,较大粗糙度对气膜密封低速运转性能是有害的。
2.
The Influence of Waviness and Taper of seal faces to the Operating Performance at Slow Speed of Gas Face Seal;
理论分析表明:在低速运转条件下,波度幅值及其起始角对螺旋槽气膜密封的各项性能都具有重大影响;密封端面正锥度的增加能使密封气膜刚度显著提高,但同时也使密封的泄漏量有所增加。
5) end seal with helical line and gas film
气膜螺旋槽端面密封
6) film-riding face seal
水膜面密封
补充资料：梯形槽密封面法兰
分子式：
CAS号：
性质：法兰面加工出梯形槽，槽沟内放置金属八角形或金属椭圆形环形垫。它用于石油运输管道，美国石油学会(API)有尺寸标准。
CAS号：
性质：法兰面加工出梯形槽，槽沟内放置金属八角形或金属椭圆形环形垫。它用于石油运输管道，美国石油学会(API)有尺寸标准。
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