1) labyrinth disc
篦齿盘
1.
In allusion to the cracks in an aeroengine labyrinth disc,a sort of in-situ nondestructive eddy current testing without aeroengine disassembly was proposed and the practical testing system was designed.
针对某型航空发动机篦齿盘上产生的裂纹缺陷,在不拆分发动机的前提下,提出采用涡流检测的方法对篦齿盘进行原位无损检测。
2) aperture of labyrinth disc
篦齿盘均压孔
3) labyrinth
[英]['læbərɪnθ] [美]['læbə'rɪnθ]
篦齿
1.
The standard k-ε turbulence model,QUICK schemes,non-uniform grid and SIMPLE method were applied to the calculations of flow field characteristics for the modeled sealing labyrinth with heating boundaries.
为了解热边界对封严篦齿的流动特性的影响,本文采用标准k-ε模型QU ICK格式、非结构化网格和S IM PLE算法,数值模拟了模化的热态封严篦齿的流动特性。
2.
<Abstrcat>The standard k-ε turbulence model and RNG k-ε turbulence model were employed to compute the flow characteristics of the labyrinth sealing in the given reference.
对4道、7道环型直通式篦齿,在转静状态下采用非结构化网格和SIMPLE算法,求解了不同转速的速度场和压力场;并试验研究了不同转速、齿数工况的封严效果,探讨了篦齿前后压比与泄漏系数的变化关系。
3.
In order to improve the performance of the seal labyrinth in aeroengine, many characteristic structures are applied to the seal.
对发动机中封严篦齿进行了相关齿形的变化 ,建立了 8种封严结构模型 ,运用 RNG k～ ε湍流模型、非结构化网格和 SIMPLE算法来模拟封严篦齿流动问题。
4) stepped labyrinth seal
台阶篦齿
1.
Experimental investigation of up stepped and down stepped labyrinth seals was made to study the effects of the pressure ratio of inlet and outlet and relative axial location of step and labyrinth on leakage characteristics at rotational and static states.
设计了上台阶和下台阶篦齿两组实验模型,研究了旋转和静止两种状态下篦齿进出口压比、篦齿与衬套轴向相对位置以及转速对封严特性的影响。
5) Clearance of labyrinth
篦齿间隙
1.
The clearance of labyrinth is related to capability of a aeroengine.
所以,在航空发动机研发、改进、制造以及维护的过程中,准确测量发动机篦齿间隙是十分必要也是必需的。
6) labyrinth gas seals
篦齿封严
1.
The response calculation of labyrinth gas seals with damping sleeve is done by the time-frequency transition method,which includes of the merits of harmonic balance method,dynamic softness method and tracking motion method.
研究在单点激振情况下阻尼套筒对篦齿封严结构的减振规律。
2.
This paper has a vibration analysis for the labyrinth gas seals with damping sleeve by wave transmittal technique.
本文采用群论算法对带阻尼套筒的篦齿封严结构进行振动特性的计算分析,利用带阻尼套筒的篦齿封严结构循环对称的特点,把特征值约化到一个重复扇区进行分析,并借助有限元商用程序ANSYS进行特征值求解。
3.
It has happened so many times that the problem of structure-acoustic of labyrinth gas seals when engine is working.
篦齿封严结构是一种高效的非接触式密封装置,广泛地应用于航空燃气涡轮发动机等叶轮机械中。
补充资料：篦齿槭
形态特征：槭树科槭属落叶乔木植物，高5-8米。叶纸质，轮廓近圆形，长7-10厘米，宽6-8毫米，基部心形，常3裂，中裂片卵形，顶端锐尖；叶柄淡紫红色。4-5月开花，总状花序，长4厘米，淡紫色，花单性异株。雄花萼片5，淡紫绿色，长圆倒卵形，长5毫米；花瓣5,阔倒卵形,淡黄绿色,长5毫米;雄蕊8,长2毫米;花丝无毛。翅果嫩时紫红色，后变淡黄色，小坚果微扁平，长7毫米，宽4毫米，翅镰刀形，宽8毫米。翅张开近于水平。
生境分布：生于海拔2900-37000米的山坡林中。分布于西藏南部和云南西北部。锡金也有。
生境分布：生于海拔2900-37000米的山坡林中。分布于西藏南部和云南西北部。锡金也有。
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