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首页> 外文会议>2003 ASME(American Society of Mechanical Engineers) Turbo Expo; Jun 16-19, 2003; Atlanta, Georgia >FLEXIBLE SPACERS COMPRESSOR STATOR BLADES FOR HEAVY INDUSTRIAL GAS TURBINES MODEL 7EA
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FLEXIBLE SPACERS COMPRESSOR STATOR BLADES FOR HEAVY INDUSTRIAL GAS TURBINES MODEL 7EA

机译：重型工业燃气轮机7EA型的柔性垫片压缩机定子叶片

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摘要

This paper describes efforts to upgrade the mechanical integrity of axial compressor stator blades. The blades under discussion are part of an axial compressor of a heavy duty industrial Combustion Gas Turbine (CGT) made by GE, frame No. 7, model EA. The axial compressor stator blades, in the later stages of compression, are kept in required position by spacers or shims shaped to match the root profile of the blades. These spacers/shims may be as thick as 1/4 of an inch and as thin as 1/32 of an inch. These spacers/shims tend to wiggle out of the slots and eventually liberate themselves from the stator. This paper introduces a proposed solution to minimize liberation of the spacer/shims by introduction of flexible spacers/shims. This paper also describes field experience with loss of the stator blades in the last stage of compression, due to aerodynamic disturbances.
机译：本文介绍了提高轴向压缩机定子叶片机械完整性的工作。讨论中的叶片是GE生产的重型工业燃烧燃气轮机（CGT）轴向压缩机的一部分，机架号7，型号EA。在压缩的后期，轴向压缩机定子叶片通过定形为与叶片根部轮廓匹配的垫片或垫片保持在所需位置。这些隔离物/垫片的厚度可高达1/4英寸，而厚度则可薄至1/32英寸。这些垫片/垫片往往会从槽中摆动出来，并最终从定子中释放出来。本文介绍了一种通过引入柔性垫片/垫片来最小化垫片/垫片释放的建议解决方案。本文还描述了由于空气动力干扰而在压缩的最后阶段丢失定子叶片的现场经验。

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