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stall pattern
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  “stall pattern”译为未确定词的双语例句
     The stall pattern when compressor enters just now into unstable condition is related to the axial spacing. For 21%CR compressor directly enters into single cell rotating stall and for other configurations the compressor firstly works in multi-cell rotating stall.
     压气机刚进入旋转失速的模态与轴向间距有关,轴向间距较大时,压气机首先进入多团全叶高旋转失速,当轴向间距为21%CR时,压气机直接进入单团全叶高旋转失速;
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  相似匹配句对
     pattern
     格调之美
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     Pattern and Culture
     作用模式与文化问题
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     AGILITY AND POST-STALL MANEUVER
     敏捷性和过失速机动
短句来源
     Tests on Automatic Transmission Stall
     自动变速器失速试验
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     RESEARCH ON OPTIMAL POST STALL MANEUVERS
     最佳过失速机动研究
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  stall pattern
The stall pattern on this model is typical of transonic jets with no slats or leading edge flaps.
      
The PE can be programmed to have a particular stall pattern to mimic an IP core that cannot receive data every cycle.
      


In order to investigate the impact of the rotor to stator axial spacing on the compressor performance, experimental studies for characteristics of the low speed research compressor with different rotor/stator gaps were carried out. The pressure dynamic proceedings of three cross-section of the stator surface was investigated. Results show that the characteristics of compressor embodied with pressure rise coefficient and mass flow coefficient have the repetition property at different speeds with the same axial...

In order to investigate the impact of the rotor to stator axial spacing on the compressor performance, experimental studies for characteristics of the low speed research compressor with different rotor/stator gaps were carried out. The pressure dynamic proceedings of three cross-section of the stator surface was investigated. Results show that the characteristics of compressor embodied with pressure rise coefficient and mass flow coefficient have the repetition property at different speeds with the same axial spacing configuration. The experiments also exhibit that the axial spacing strongly affects the stall flow coefficient and the stall pattern. As the axial spacing of the successive blade rows decreases, the measured mean flow coefficient at stall inception decreases and the flow range of compressor during multi-cell rotating stall decreases,advancing the transformation pace of stall pattern from the full span multi-cell rotating stall to the full span single cell rotating stall.

针对动静叶排轴向间距变化对压气机特性的影响,实验研究了6个轴向间距下压气机的压升特性。并采取在静子叶片表面埋入微型压力传感器的方法,对叶尖、叶中和叶根三个截面上的动态压力进行了测量。结果表明,对于同一轴向间距,不同转速下包括左支特性在内的全流量范围的压升特性具有重合性;轴向间距对压气机的失速流量和失速模态有很大的影响,轴向间距减小时,压气机的失速流量减小,稳定性得到加强;而且压气机工作于多团失速时的流量范围减小,失速模态由多团失速过渡到单团失速提前。

In order to investigate the impact of the rotor-to-stator axial spacing on the compressor stalling characteristics, experimental studies for characteristics of the low speed research compressor with different rotor/stator gaps had been carried out. The pressure dynamic proceedings of three cross-section of the stator surface had been investigated. Results show that the axial spacing strongly affects the stall flow coefficient. As the axial spacing of the successive blade rows decreases, the compressor postpones...

In order to investigate the impact of the rotor-to-stator axial spacing on the compressor stalling characteristics, experimental studies for characteristics of the low speed research compressor with different rotor/stator gaps had been carried out. The pressure dynamic proceedings of three cross-section of the stator surface had been investigated. Results show that the axial spacing strongly affects the stall flow coefficient. As the axial spacing of the successive blade rows decreases, the compressor postpones the onset of stall instabilities. The stall pattern when compressor enters just now into unstable condition is related to the axial spacing. For 21%CR compressor directly enters into single cell rotating stall and for other configurations the compressor firstly works in multi-cell rotating stall. The disturbance wave propagating speed is different depending on the rotor-stator gap.

采取在静子叶片表面埋入微型压力传感器的方法,对叶尖、叶中和叶根三个截面上的动态压力进行测量,实验研究了六个轴向间距下压气机的旋转失速特性。实验结果表明:轴向间距对压气机失速点的流量系数影响很大,转静子轴向间距减少,压气机失速推迟;压气机刚进入旋转失速的模态与轴向间距有关,轴向间距较大时,压气机首先进入多团全叶高旋转失速,当轴向间距为21%CR时,压气机直接进入单团全叶高旋转失速;轴向间距不同,近失速点的压力扰动也存在差别。

Experimental studies are carried out at a low speed axial compressor with five different rotor/stator gaps. Analysis of the effect of axial spacing of two successive blade rows on the measured mean flow coefficient at stall inception and on the flow range of compressor under multi-cell rotating stall operating conditions proves that the stator can suppress the flow disturbance in the compressor and strengthen the stability of the compressor. Experimental data show that the stall flow coefficient decreases by...

Experimental studies are carried out at a low speed axial compressor with five different rotor/stator gaps. Analysis of the effect of axial spacing of two successive blade rows on the measured mean flow coefficient at stall inception and on the flow range of compressor under multi-cell rotating stall operating conditions proves that the stator can suppress the flow disturbance in the compressor and strengthen the stability of the compressor. Experimental data show that the stall flow coefficient decreases by reducing the axial spacing of successive blade rows. Moreover, by reducing the axial spacing, the stall pattern transition pace from multi-cell stall to single-cell stall can be shifted. And the compressor directly slips into single-cell stall at 21.0% C_Raxial spacing. By analyzing the pressure fluctuation closed to the surge line, it can be known that there exists an eigenfrequency where the amplitude of the oscillating pressure suddenly and dramatically increases as the compressor runs close to the surge line and this pressure disturbance is relevant to the compressor instability.

对低速轴流压气机五个轴向间距下的压气机特性进行了试验。通过试验分析了轴向间距对压气机失速点流量,以及对压气机工作于多团旋转失速流量范围的影响,论证了静子在轴流压气机中具有抑制扰动波发展以及增强气动稳定性的作用。实验结果表明,随着转静子之间轴向间距的减小,静子的增稳作用增强,压气机的失速流量减小。

 
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