Region IX Chapter 77

May Member Meeting and Awards: Vibration and Noise

  • 17 May 2016
  • 5:30 PM - 7:00 PM
  • Pappadeaux Seafood Kitchen, 5011 Pan American Fwy NE, Albuquerque, NM 87109

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Presentation Outline

    1. Approaching a noise or vibration problem
    2. Space planning
    3. Building transmission - airborne or structural
    4. Sound measurements - dBa, dBc, Leq
        - Noise Ordinances
        - NC criteria in occupied spaces
        - STC or A-STC or NIC through walls
        - IIC through floors
        - RT60
        - NRC Noise Reduction Coefficient
        - Insertion loss
    5. Air leaks
    6. Steel Design Guide 11 - Floor Vibrations
    7. Vibrations specs
        - ASHRAE .09 ips RMS for balance
        - AMCA for fans
        - NEMA for motors
        - Hydraulic Institute for pumps
        -ANSI S2.41 for general machinery
    8. Isolation
    9. Resonance - symptoms, tests, & fixes
    10. Noise Demo (BBN box)
    11. Questions

About the Speaker
Victor Wowk is the president of Machine Dynamics Inc, which specializes in diagnosing and correcting vibration and noise problems. There are six employees in the company, which has been in business since 1988 in New Mexico. Victor graduated from the University of Michigan in 1975 with a degree in mechanical engineering. He is a registered professional engineer in New Mexico. Victor is the author of three textbooks in vibration. He teaches seminars on these subjects, and this presentation is drawn from that seminar material.

Last revised: 09.25.2017
by: Stacey Chan

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