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  • 标题:Experiments on the Use of Signal Visualization Technique for In-Service Stall Detection in Industrial Fans
  • 本地全文:下载
  • 作者:Stefano Bianchi ; Alessandro Corsini ; Anthony G. Sheard
  • 期刊名称:Advances in Acoustics and Vibration
  • 印刷版ISSN:1687-6261
  • 电子版ISSN:1687-627X
  • 出版年度:2013
  • 卷号:2013
  • DOI:10.1155/2013/610407
  • 出版社:Hindawi Publishing Corporation
  • 摘要:The paper describes a stalldetection criterion based on the use of symmetrised dot pattern (SDP) visual waveform analysis and the stallwarning methodology based on a recently developed analysis. The experimental study explores the capability of the SDP technique to detect the stall incipience and evolution in the presence of low signal-to-noise ratios, that is, a noisy working environment. Moreover, the investigation presents a systematic analysis on the probe position’s influence with respect to the fan section. As such, the SDP technique in combination with an acoustic measurement is able to create a visual pattern that one can use to detect stall from potentially any location around the fan/duct system.
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