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首页> 外文期刊>CompressorTech Two: Dedicated to Gas Compression Products and Applications >Impact Of Reciprocating Compressor Pulsations On The Surge Margin Of Centrifugal Compressors (Part 1): Testing facilities and surge line verification
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Impact Of Reciprocating Compressor Pulsations On The Surge Margin Of Centrifugal Compressors (Part 1): Testing facilities and surge line verification

机译：往复式压缩机脉动对离心式压缩机喘振裕度的影响（第1部分）：测试设备和喘振线验证

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Strong pressure pulsations into the suction or discharge of a centrifugal compressor can move its operating point into operational instability regions such as surge, rotating stall, or choke. This is of special operational and safety concern in mixed pipeline compressor stations where many centrifugal compressors operate in series or parallel with reciprocating compressors. Over the last 30 years, several authors have discussed the impact of piping flow pulsations on centrifugal compressor stability and, specifically, on the impact on surge margin and performance. For example, Sparks, Kurz, et al., and Brun, et al., provided analysis and numerical predictions on the impact of discrete and periodic pressure pulsation on the behavior of a centrifugal compressor [1-3]. This interaction came to be known as the "Compressor Dynamic Response (CDR) theory." CDR theory explains how pulsations are amplified or attenuated by a compression system's acoustic response characteristic superimposed on the compressor head-flow map.
机译：离心压缩机吸入或排出中产生的强烈压力脉动会将其工作点移至运行不稳定区域，例如喘振，旋转失速或阻塞。在混合管道压缩机站中，这是特殊的操作和安全问题，在该站中，许多离心压缩机与往复式压缩机串联或并联运行。在过去的30年中，几位作者讨论了管道流量脉动对离心压缩机稳定性的影响，尤其是对喘振裕度和性能的影响。例如，Sparks，Kurz等人和Brun等人就离散和周期性压力脉动对离心压缩机性能的影响提供了分析和数值预测[1-3]。这种相互作用被称为“压缩机动态响应（CDR）理论”。 CDR理论解释了如何通过叠加在压缩机头流图上的压缩系统的声学响应特性来放大或衰减脉动。

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