1) leaf canopy
枝叶冠盖
2) overstory
[英]['əuvə'stɔ:ri] [美]['ovɚ,stɔri, -,stori]
簇叶冠盖
4) blade shroud
叶冠
1.
The latter lies in an excessive pre-twisted angle of the originally designed blade shrouds,a relatively small fillet radius R at the blade shroud concave and improper assembly procedures.
采用静力学、动力学计算方法对某型工业燃气轮机低压涡轮带冠动叶掉角故障进行了分析,得出了叶冠产生掉角的主要原因是:原设计叶冠的预扭角过大、叶冠凹口处的转接R小及装配工艺不良所致。
2.
Based on contact forms,a reasonable judgment can be given about structural design;based on contact parameters,the damping effects of blade shrouds are evaluated.
接触状态包括接触形式和接触参数,通过接触形式可从结构上判断结构设计的合理性,通过接触参数可从力学性能上评价叶冠的阻尼效果。
5) shroud
[英][ʃraʊd] [美][ʃraud]
叶冠
1.
The stresses of LP turbine blades with different pre-twist shroud angles are calculated at aeroengine operating condition.
对在工作状态下的某型航空发动机叶冠不同预扭角的低压涡轮叶片应力进行了计算分析,给出了装配状态下叶冠阻尼面应力状态的计算分析方法。
2.
By applying the harmonic balance method and time-frequency transfer method,the relationship between the shroud structural parameter and shroud mechanics performance at the installation was analyzed.
针对某工程的实际问题,建立了叶片三维分析模型,应用谐波平衡法和时频转换法,分析了叶冠结构参数与安装状态下叶冠力学性能的关系,总结了叶冠几何参数对接触状态的影响规律;就叶冠接触状态与叶冠磨损之间的关系进行了讨论;基于接触状态的设计理论,提出了叶冠预扭设计基本思想和工程方法。
6) ring
[英][rɪŋ] [美][rɪŋ]
叶冠
1.
The development and application of solid turbine technique and twisted blade technique are analyzedin this paper,And then the prospect of solid turbine with ring and twisted blades is also discusse
分析了整体涡轮盘技术和扭曲叶片技术的发展和应用，并讨论了带叶冠扭曲叶片整体涡轮盘技术的应用前景。
2.
6 bearing in a turbo-generator of an power plant increased sharply was analyzed in this paper,and the reason was concluded that blade ring broken near the adjusting valve of the second-last stage of LPII rotor,this paper gives a reliable suggestion for the turbo-generator with the result that the default was eliminated.
通过对某电厂4号机组4号~6号瓦振动突变的分析,得出LPII转子次末级调阀端某叶片的叶冠脱落是导致振动突变的结论,为该机组的检修提供了可靠的依据,可供同类机组的该类故障分析及检修提供参考。
补充资料：枝叶
1.枝条和树叶。 2.喻同宗的旁支。 3.比喻臣僚，部属。 4.比喻从属的次要的事物。 5.喻琐碎﹑浮华的言词。 6.犹枝节。比喻在问题之外又派生出的新问题。
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