Vibro Acoustics Consortium

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Program and Agenda

Fall Meeting of the Vibro-Acoustics Consortium

November 30, 2017

Eaton Corporation

13100 E Michigan Ave.

Galesburg, MI  49053

8:30 a.m. Coffee and Pastries

9:00 a.m. Morning Session

  • News and Notes
  • Tutorial Spreadsheet Tools for Contribution Analysis and Effectiveness of Treatments

Mufflers and Silencers

  • Continuing Work on Muffler Insertion Loss Flow Rig
  • Scale Modeling of HVAC Ducts

Experimental Diagnosis of Noise Problems

  • Determination of the Blocked Forces for a Small Compressor
  • Panel Contribution Analysis Applied to an Interior Acoustic Problem
  • Source Identification of a Single Cylinder Internal Combustion Engine

Test Rig / Process Development

  • Review of ISO-15086 Determination of Fluid-Borne Noise Characteristics of Components and Systems
  • Review of ISO-10846 Laboratory Measurement of Vibro-Acoustic Transfer Properties of Resilient Elements

12:00 p.m. Lunch

1:00 p.m. Afternoon Session

Sound Absorbing Materials

  • Tutorial Sound Absorption Overview
  • Continuing Work on Sound Absorbing Fabrics

Vibro-Acoustic Simulation

  • Benchmark Examples for FEM simulation
  • Determination of Panel Transmission Loss using FEM

5 Minute Presentations

  • Measurements of Flow Noise Generation
  • Effect of Source Impedance on Insertion Loss
  • Acoustic FEM of Perforated Tubes Including the Effect of Flow
  • Simulation of Pipe Lagging
  • Predicting the Acoustic Performance of HVAC Duct Systems
  • Preliminary Work on the Characterization of a Reverberation Room using Acoustic FEM
  • Review of the Mic-W for use with PDA
  • Scale Models of Acoustic Scattering
  • Statistical Energy Analysis Applied to a Test Enclosure
  • Microphone Array Design for Panel Contribution Analysis
  • Catalyst and DPF Acoustic Transmission Loss Benchmark Study

5:00 p.m. Adjourn