1) Honeycomb Damper Seal
蜂窝阻尼密封
1.
The geometrical structure,rotordynamic coefficients and damper mechanisms of three typical damper seals: pocket damper seal,honeycomb damper seal and hole-pattern damper seal technology are introduced in details.
详细介绍了三种典型阻尼密封技术袋型阻尼密封、蜂窝阻尼密封和孔型阻尼密封的结构特点、动力学特性和阻尼机理及研究和应用现状。
2) honeycomb seal
蜂窝密封
1.
A study of the suppression of blade tip gas excitation in a honeycomb seal
蜂窝密封抑制叶尖密封激振的研究
2.
A commercial CFD software is used to found the finite element model and to calculate the flow characteristics of the gas flowing through the honeycomb seals by the k-ε two equations turbulence model.
文中采用商业CFD软件建立有限元模型,并采用k-ε两方程湍流模式求解了蜂窝密封的流动特性。
3.
A special method to calculate the straight honeycomb seals’ dynamic coefficients was proposed.
文中提出了一种计算直通型蜂窝密封动力特性系数的方法。
3) Honeycomb Steam seal
蜂窝式密封
4) honeycomb labyrinth seal
蜂窝面迷宫密封
1.
The leakage flow and total temperature increase characteristics of a honeycomb labyrinth seal used in a typical gas turbine were numerically investigated and compared with a smooth labyrinth seal.
研究了典型燃气轮机蜂窝面迷宫密封内的流动和总温升特性,并与光滑面迷宫密封进行了比较。
5) Application of Honeycomb Seal
蜂窝密封的应用
6) honeycomb seal
蜂窝汽封
1.
Honeycomb sealing technology could make steam turbine unit operation safe and economic due to geometric parameters optimization of honeycomb seals when decreasing radial labyrinth clearance.
高井热电厂于2005年在1、2号机组的通流部分改造中,将低压缸的前后轴封、隔板汽封、次末级和次次末级的复环汽封改造为蜂窝汽封,改造后的机组真空严密性有了明显的提高,润滑油中带水现象基本消除。
2.
Three-dimensional mathematical model was established to predict flow and leakage characteristics in a honeycomb seal for steam turbine.
建立了蜂窝汽封三维流场数值模型,系统地分析了蜂窝孔径尺寸、蜂窝高度、入口压力等结构与运行参数对汽封流场及泄漏特性的影响。
补充资料:单位阻尼能
分子式:
CAS号:
性质:变形周期中损失的能量与材料体积之比。亦称之为单位阻尼能。高分子材料具有黏弹性,发生变形时不是完全的弹性变形,而伴随着发生塑性变形。在发生塑性变形时,由于分子间或晶面间的滑移,摩擦生热等耗去了能量,因此不能使原加的能量完全以形变能贮存,并在恢复过程中释放。失去的那部分能量就属于能量损耗。正确了解这一点,就可以根据不同用途来进行选材,也对新材料的研究起指导作用。
CAS号:
性质:变形周期中损失的能量与材料体积之比。亦称之为单位阻尼能。高分子材料具有黏弹性,发生变形时不是完全的弹性变形,而伴随着发生塑性变形。在发生塑性变形时,由于分子间或晶面间的滑移,摩擦生热等耗去了能量,因此不能使原加的能量完全以形变能贮存,并在恢复过程中释放。失去的那部分能量就属于能量损耗。正确了解这一点,就可以根据不同用途来进行选材,也对新材料的研究起指导作用。
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参考词条