一叶轮,具有一轮毂及多个环设于该轮毂周围的动叶片;
The fan comprises a frame, an impeller formed by a wheel hub and motive blades around the hub.
结果表明,时序效应对静叶片气动负荷的影响明显高于动叶片的。
The results show that, the influence of stator clocking effects on the stator blade's unsteady aerodynamic loads is larger than that on the rotor blade.
为了提高动叶片的抗冷热疲劳和抗机械疲劳的性能,铸件表面需进行晶粒细化。
In order to improve the cold fatigue, hot fatigue and mechanical fatigue resisting performance of the moving blade, grain refinement is required for the casting surface.
通过与模态试验结果的比较可以发现,采用有限元法分析动叶片的振动特性是可靠和有效的。
We can find it is reliable and effective to use FEA to analyze the vibration characters of moving blades by comparing with the results of modal experiment.
对神木发电有限公司100MW汽轮机末级动叶片水蚀原因进行了分析,并提出了解决方案。
The cause of water erosion in the end rotor blade of 100 MW steam turbine is analyzed with solution proposal.
对燃气轮机二级动叶片失效件进行了化学成分分析、金相组织观察、晶粒度测定、夹杂物检查及断口分析。
In this paper, the chemical contents, microstructure, inclusion, grain size and fracture analysis of the second grade gas turbine blade were investigated.
试制的新模具,可锻出高精度的增压器动叶片。 新模具在动负荷下工作,具有硬度高、变形小、寿命长的特点。
The new dies developed can forge high-precision rotary blades forsuperchargers and, when working under dynamic loads, have the features of goodhardness, small deformation and long service life.
文章还介绍了为预防汽轮机喷嘴和动叶片免受固体颗粒侵蚀所采用的表面硬化处理技术,包括等离子喷涂层和扩散渗层在内;
The paper also briefs the nozzle or moving blade surface hardening treatment technology, including plasma spraying and diffusion layer for preventing the nozzle and moving blade from SPE.
阐明了50MW抽汽冷凝式汽轮机转子动叶片对汽轮机组安全稳定运行的重要性,分析了引起汽轮机叶片断裂的多种原因。
This paper expounded the importance of the vanes to the safety and reliability of operation of the 50 MW extraction condensing steam turbine.
用于涡轮机叶片在动态状态下对其振动频率、动应力和温度进行遥测。
It is for telemetering the vibration frequency, dynamic stress and temperature of turbine blades under dynamic state.
此外上游静子尾迹以及动叶尾缘出口膨胀波等也是产生转子叶片表面非定常力的因素。
In addition, the wake interaction of upstream blade row and the expansion wave at rotor exit also cause an unsteady force acting on the downstream rotor blade surface.
迎角叶片,位于机身侧的可动小翼面。为失速警告系统传输飞机对气流的相对角度。
ALPHA VANE, a small moveable airfoil on the side of the fuselage transmitting airplane Angle relative to airstream for the stall warning system.
开展真机转轮叶片动应力试验研究是解决大型水轮机转轮开裂的关键。
Testing research of dynamic stress in turbine blade is the key for solving the crack of runners.
介质腐蚀和通道状况的影响是汽轮机叶片动强度设计中主要考虑的因素。
The effects of corrosion and steam passage situations are the important factors in the design of steam turbine blade dynamic intensity.
利用电阻应变片、动态压力传感器、滑环式引电器和磁带记录仪等,录取叶片振动应变和动叶出口压力信号,然后回放磁带,做信号处理。
Using resistance strain gage, dynamic pressure sensor, slip ring and tape recorder, the blade vibration strain and exit pressure signals of rotor blades are recorded and then processed.
压气机的旋转叶片必须能够承受非常高的静应力和动应力。
The rotating blades of compressors have to be designed to withstand very high static and dynamic stress.
结果表明,末排低压动叶通过采用正弯叶片造型,可以在保证效率保持不变的前提条件下,使得高低压涡轮出功比降低2.6%。
The results show that , the ratio of the output power of vaneless counter-rotating turbine can reduce 2.6% at the same turbine efficiency when the low pressure rotor curves positive.
开展真机转轮叶片动应力试验研究是解决大型水轮机转轮开裂的关键。
Testing research on dynamic stress is the key to solve the cracking problem of large water turbine runners.
提出了采用瞬态动力分析计算松拉金成组叶片动应力的方法。
An algorithm to calculate the dynamical stress of loose lashing wire grouped blade with transient dynamical analysis method is proposed.
优化了300MW汽轮机的调节级,采用了子午面端壁收缩的弯曲叶栅,动叶为自带围带三销钉三联叶片,再用铆接围带形成整圈联结叶片。
The control stage of improved 300MW steam turbine used bowed static blade cascades with convergent tip endwall and integral shroud triple pin rotating blades.
圆环形叶片式空心浮子网刮不断的在网笼上做上下运动,使污损物无法在网笼上附着生存。
The ring-shaped vane type hollow floater scraper continuously conducts the upward and downward movements in the net cage, so that the fouling on the cage can not survive.
本文对某亚音轴流压气机的中间三排叶片进行定常与非定常数值模拟,分析在不同的动叶叶顶间隙和静叶气封间隙组合下压气机的流动特性。
One and a half stages of a subsonic compressor were simulated with steady and unsteady calculation, comparing the performance with different combination of tip leakage and seal cavity.
开展水轮机转轮动应力现场测试是叶片裂纹原因分析的重要手段之一。
The test of runner dynamic stresses and unit stability of Tishrin Unit 2# were carried out in order to solving the problem of blade cracks.
本发明涉及致动器和照相机用叶片驱动装置。
The invention relates to an actuator and camera blade drive device.
摘要:针对动叶可调双级轴流风机长期运行中叶片磨损造成转子质量不平衡,引起风机振动增大的问题。
Abstract: the vibration increasing of adjustable vane double-stage axial flow fan caused by the rotors mass unbalance for the vane abrasion in long period running is a main malfunction.
通过模态分析、瞬态动力学的方法,分析了叶片的动频、动应力。
Static and dynamic frequency and dynamic stress are analyzed by using the modal analysis method and the transient dynamics method.
这些结果印证了动应力值过大是叶片产生裂纹的主要原因,从而为水轮机在设计阶段就进行优化提供了可能。
These results confirm the statement that the reason of cracks is not the static stress but the high dynamic stress, so it is possible to optimize the turbine at designing stage.
这些结果印证了动应力值过大是叶片产生裂纹的主要原因,从而为水轮机在设计阶段就进行优化提供了可能。
These results confirm the statement that the reason of cracks is not the static stress but the high dynamic stress, so it is possible to optimize the turbine at designing stage.
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