上游静叶干涉减少了动叶顶部二次泄漏流强度。
Upstream stator-rotor interaction reduces the double leakage flow intensity in the rotor tip region.
下游静叶干涉增加了动叶顶部间隙流的非定常波动强度和泄漏损失。
Downstream rotor-stator interaction increases the unsteady fluctuating intensities of the rotor tip clearance flow and the tip leakage loss.
利用数值计算的方法研究了非定常尾迹对动叶气膜冷却效率的影响。
Numerical calculations were performed to investigate the effects of unsteady wakes on film cooling.
在设计点附近作了沿叶高效率分布及动叶进、出口速度三角形的测定。
The efficiency distribution along blade span and the inlet and outlet velocity triangle measurement of rotor blades were made around the designing point.
现场更换动叶我公司有非常丰富的经验，更换以后基本上不需要动平衡。
We are very experienced in replacing rotating blade at site, and dynamic balance is rarely required after replacement.
应用数值方法研究了燃气透平动叶顶部凹槽对动叶气动性能及叶顶传热的影响。
Effects of squealer tips on blade aerodynamic performances and tip heat transfer in a gas turbine were investigated.
分析介绍了“T”型叶根高压动叶传统工艺方法的流程及影响生产加工周期的原因。
The thesis introduces the flow process of traditional technology of "t" type high-pressure blade and the reasons which effect the process period.
动叶尾迹强度明显减弱，叶背流动分离得到抑制，叶尖泄漏涡也得到了周期性的抑制。
The intensity of rotor wakes was reduced, flow separation on rotor suction side was suppressed and the tip leakage flow was suppressed periodically.
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.
所研究的这种高效节能的弯掠动叶轴流风机为进一步在电力系统中应用提供了理论和试验基础。
The research of the high-efficiency axial fan with skewed-swept rotating blades is given the basis of theory and testing in application of electric power system.
为了使热水透平应用于实际，进行了喷嘴单独试验、动叶单独试验与单级热水透平试验等一系列试验。
To make hot water turbines applicable for practical purposes, a series of tests, such as isolated tests of nozzles, buckets and single stage turbines, have been conducted.
通过流场测量和数值方法模拟了不同动叶安装角下风机的内部流场，为风机的进一步改良提出了建议。
The flow fields inside fan with different blade incidences are achieved by experiment and numerical simulation. Meanwhile, some advices are given to improve the fan's performance.
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.
对侧装式调节级动叶的强度振动计算分析及其应用范围进行了介绍 ，并对部分进汽时进汽喷嘴的布置方法提出了建议。
The vibrational stress analysis and the application range of the side entry blade are introduced in this paper, and the suggestion of the nozzle arrangement is also given.
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.
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.
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.
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.
示范：日本千叶工业大学的开发人员设计出搬得动15英石(约95.25公斤)重物的核心。
Demonstration: Developers at the Chiba Institute in Japan have designed Core to carry loads of up to 15 stone.
这个应用程序本身的概念原理是非常简单的：通过一种非常慢的百叶窗速度连续抓拍四张图，然后串联起来形成动图。
The concept itself is relatively simple: it grabs four photos in succession using a relatively slow shutter speed and then links them together to form a gif-like image.
在英国19世纪的上半叶，手工织布机逐渐被蒸汽机区动的机器所取代。
During the upper half of the 19th century, the manual weaving machine gradually gave way to steam engine.
提出了一种基于高精度性能模型的轴流通风机喘振故障预报方法，以实现动(静)叶调节轴流通风机喘振故障的预报。
Forcasting method of surge trouble based on high_accuracy fan performance model is put forward in order to realize surge trouble forecasting of axial fan adjusted with rotary and stationary vanes.
用其尖叶部分，放入口腔内咀嚼，并反复漱动，每次不少于20分钟，每日一次，一周一疗程。
Are partial with its sharp leaf, puts in the oral cavity to chew, and repeatedly rinses moves, each time many to 20 minutes, every day, a Monday treatment course.
采用离散涡方法数值仿真了不同来流攻角下，固定与动边界叶栅绕流。在设计工况时流动接近定常流动。
The unsteady flow past stationary and oscillating cascade for off-design performance respectively are simulated numerically with the Discrete Vortex Method.
本文以拉格朗日方式研究叶轮机内动、静叶间的相互作用，通过直接跟踪流体涡团的时间历程，来描述流体的非定常流动过程。
The Lagrangian vortex method is applied to direct description of the unsteady flow due to rotor-stator interaction in turbomachinery by tracing the trajectory of vortices.
本实用新型是一种用于换气扇的电源开关和百叶闭合连动的专用拉线开关装置。
The utility model relates to a power switch used for a ventilating fan and a special pulling switch used for the closure and the linkage of shutter blades.
本实用新型是一种用于换气扇的电源开关和百叶闭合连动的专用拉线开关装置。
The utility model relates to a power switch used for a ventilating fan and a special pulling switch used for the closure and the linkage of shutter blades.
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