single cascade

This paper retrospects to the development of auto-cascade refrigeration, and introduces it ′ s principle and characteristics. A comparison is made among auto-cascade refrigeration, single-stage compression refrigeration, double-stage compression refrigeration and cascade refrigeration.

本文回顾了自行复叠制冷方式发展的历史，介绍了它的原理和特点，并将其与单级压缩，双级压缩和复叠式制冷作了比较。

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A single-stage axial-flow compressor test rig in the cascade aerodynamic laboratory was upgraded to a two-stage axial-flow compressor with the fund of Project 211. If necessary, the two-stage axial-flow compressor test rig can be returned to the original single-stage axial-flow compressor.

本文在211工程建设资金的支持下，将叶栅空气动力研究室中的单级轴流压气机实验台在不破坏原有结构型式的情况下扩建为双级轴流压气机实验台。

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Controller performance assessment algorithms based on minimum variance for single loop control system, multivariate control system and cascade control system are derived in the paper.

本文利用最小方差准则，给出了单变量、多变量及串级控制回路的性能评价方法，并对工业中两个精馏塔控制系统的性能进行了分析。

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The mean wake velocity profiles behind tandem cascades self-similarity, similar to that behind the single-row cascade.

串列叶栅的尾迹平均速度和紊流脉动速度沿额线方向比单列叶栅变化平缓.

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There are tens of thousands of control loops with different structure in modern industrial processes, such as single loop control, cascade control, multivariate control and so on.

现代工业生产过程经常会配备单回路、串级、多变量等不同的控制系统，并且一个生产装置可能存在成百上千的控制回路。

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