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Rigid foraminous microphone probe for acoustic measurement in turbulent flow

  • US 4,903,249 A
  • Filed: 03/24/1988
  • Issued: 02/20/1990
  • Est. Priority Date: 03/24/1988
  • Status: Expired due to Term
First Claim
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1. A microphone probe for acoustical measurement in turbulent flow, comprising a tube to be disposed in a sound field and having a closed end facing a source of sound energy, a microphone disposed in said tube downstream in the direction of sound propagation of said closed end, at least a portion of the length of said tube being composed of a rigid foraminous material containing a multiplicity of interconnected cells.

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