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<p>Created page with &quot; == Abstract == This paper describes and discusses techniques which can effectively diagnose dynamics problems in turbomachinery. A variety of elusive dynamics problems are i...&quot;</p> <p><b>New page</b></p><div><br /> == Abstract ==<br /> <br /> This paper describes and discusses techniques which can effectively diagnose dynamics problems in turbomachinery. A variety of elusive dynamics problems are identified which require definition, quantification, diagnosis, and monitoring. The state of the art in measurement and signal processing techniques is discussed with reference to such factors as the directness of the measurement, the degree of intrusion required, the difficulty of installation, and the reliability or durability of the sensor. Several examples of techniques are provided which have proved to be effective in diagnosing elusive dynamics problems; some examples allow comparison of alternative techniques with different degrees of effectiveness. Problems addressed include rotating stall in the compressor section of a gas turbine, coupled lateral/torsional vibration in a gas turbine driven pipeline compressor, forced vibration of combustor parts, strain gage telemetry of blade vibrations, and nonintrusive measurement of blade vibrations using bearing mounted accelerometers.Copyright © 1989 by ASME<br /> <br /> <br /> == Original document ==<br /> <br /> The different versions of the original document can be found in:<br /> <br /> * [http://proceedings.asmedigitalcollection.asme.org/data/conferences/asmep/83370/v003t07a005-89-gt-71.pdf http://proceedings.asmedigitalcollection.asme.org/data/conferences/asmep/83370/v003t07a005-89-gt-71.pdf]<br /> <br /> * [http://asmedigitalcollection.asme.org/GT/proceedings-pdf/doi/10.1115/89-GT-71/2398424/v003t07a005-89-gt-71.pdf http://asmedigitalcollection.asme.org/GT/proceedings-pdf/doi/10.1115/89-GT-71/2398424/v003t07a005-89-gt-71.pdf],<br /> : [http://dx.doi.org/10.1115/89-gt-71 http://dx.doi.org/10.1115/89-gt-71]<br /> <br /> * [http://asmedigitalcollection.asme.org/gasturbinespower/article-pdf/112/4/470/5605590/470_1.pdf http://asmedigitalcollection.asme.org/gasturbinespower/article-pdf/112/4/470/5605590/470_1.pdf],<br /> : [http://dx.doi.org/10.1115/1.2906191 http://dx.doi.org/10.1115/1.2906191]<br /> <br /> * [https://asmedigitalcollection.asme.org/gasturbinespower/article/112/4/470/407816/Effective-Tools-for-Diagnosing-Elusive https://asmedigitalcollection.asme.org/gasturbinespower/article/112/4/470/407816/Effective-Tools-for-Diagnosing-Elusive],<br /> : [https://GasTurbinesPower.asmedigitalcollection.asme.org/article.aspx?articleid=1417864 https://GasTurbinesPower.asmedigitalcollection.asme.org/article.aspx?articleid=1417864],<br /> : [http://GasTurbinesPower.asmedigitalcollection.asme.org/article.aspx?articleid=1417864 http://GasTurbinesPower.asmedigitalcollection.asme.org/article.aspx?articleid=1417864],<br /> : [https://academic.microsoft.com/#/detail/2066452261 https://academic.microsoft.com/#/detail/2066452261]<br /> <br /> * [https://mechanicaldesign.asmedigitalcollection.asme.org/GT/proceedings/GT1989/79153/V003T07A005/238924 https://mechanicaldesign.asmedigitalcollection.asme.org/GT/proceedings/GT1989/79153/V003T07A005/238924],<br /> : [https://asmedigitalcollection.asme.org/GT/proceedings/GT1989/79153/V003T07A005/238924 https://asmedigitalcollection.asme.org/GT/proceedings/GT1989/79153/V003T07A005/238924],<br /> : [http://proceedings.asmedigitalcollection.asme.org/proceeding.aspx?articleid=2209477 http://proceedings.asmedigitalcollection.asme.org/proceeding.aspx?articleid=2209477],<br /> : [https://academic.microsoft.com/#/detail/2176240655 https://academic.microsoft.com/#/detail/2176240655]<br /> <br /> <br /> <br /> DOIS: 10.1115/89-gt-71 10.1115/1.2906191</div>

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