Search results with tag "Sound and vibration"
CHAPTER 48. NOISE AND VIBRATION CONTROL
tsvibra.irBecause sound travels effectively in the same or opposite direction of airflow, downstream and upstream paths are often equally important. This chapter provides basic sound and vibration principles and data needed by HVAC system designers. Many of the equations associated with sound and vibration control for HVAC may be found in Chapter 8 of the
Mounting Bases and Vibration Isolation - Greenheck-USA
content.greenheck.comfan and base packages, final vibration test and trim balancing of the fan on the isolation base. Included in this catalog are easy to use selection guides and typical specifications. For more complete selection criteria, refer to the latest ASHRAE Handbook, HVAC Applications - Sound and Vibration Control. 2
The Physics of Sound - Western Michigan University
homepages.wmich.eduSound and Vibration. A sound wave is an air pressure disturbance that results from vibration. The vibration can come from a tuning fork, a guitar string, the column of air in an organ pipe, the head (or rim) of a snare drum, steam escaping from a
Shock’n on Shakers - Sound and Vibration
sandv.com12 SOUND AND VIBRATION/SEPTEMBER 2003 Shock’n on Shakers George Fox Lang, Associate Editor Electrodynamic and hydraulic shakers have become a com-monly used platform for shock testing.
The Modal Assurance Criterion - Sound and Vibration
sandv.com14 SOUND AND VIBRATION/AUGUST 2003 This article reviews the development of the original modal assurance criterion (MAC) together with other related assur-
Guidelines for Jury Evaluations of ... - Sound and Vibration
www.sandv.com2 SOUND AND VIBRATION/APRIL 2001 • Analysis Methods • Subjective to Objective Correlation. Before any type of jury evaluation can be conducted an ad-equate listening space is …