Fall 2013 VAC Meetings


There will be two opportunities to attend the Fall VAC Meeting. 


November 1, 2013
Ingersoll Rand

13600 Pammel Creek Road

La Crosse, WI  54601


November 6, 2013
Cummins Inc.

500 Jackson St.

Columbus, IN  47201



8:00 a.m. Tutorial

·         Practical Aspects of Enclosure Design for Noise Control


8:45 a.m. Coffee, Pastries, and Introductions


9:00 a.m. Morning Presentations


·         Enhancing the Performance of MPP Absorbers

·         Determining the Effect of Glue and/or Adhesives between Absorbing Material Layers

·         Transfer Matrix Models for Leaks and Seals

·         Tricks for Improving Muffler Performance without Increasing Size

·         Time Domain Transfer Path Analysis using the PU-Probe

·         Using Simulation to Determine the Properties of Mounts

·         Introduction to Acoustic Meta-Materials


12:00 p.m. Lunch


1:00 p.m. Afternoon Presentations


·         Metrics for Muffler Performance (Multi-Inlet Mufflers)

·         Muffler Transmission and Insertion Loss in Octave Bands

·         Frequency Based Substructuring Applied to Airborne Paths

·         Full Frequency Duct Models in ESI VA-One

·         Extending FE Models to Higher Frequencies using Scale Modeling

·         Modeling the Termination Impedance of Ducts using the Automatically Matched Layer

·         Measurement Study on the Effect of Louvers

·         Future Work


4:30 p.m. Adjourn


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