By Mark E. Schaffer
A advisor that provides principles for controlling the noise and vibration of HVAC structures.
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Extra info for A Practical Guide to Noise and Vibration Control for HVAC Systems
Additional reproduction, distribution, or transmission in either print or digital form is not permitted without ASHRAE's prior written permission. Airside Equipment Figure 2-20 Plenum AHU with supply ducts attached to the top of discharge plenum. Figure 2-21 Cutaway sketch of a plenum fan air-handling unit.
Each type of inline fan is best for a specific range of operating conditions. They all produce significant BPF tones, with vaneaxial and tube axial fans producing the strongest, while the tones from inline centrifugal fans are not as prominent. 27 --``,,`,``,```,,`,,```````,,`,,,-`-`,,`,,`,`,,`--- A Practical Guide to Noise and Vibration Control for HVAC Systems © 2011 American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. org). For personal use only. Additional reproduction, distribution, or transmission in either print or digital form is not permitted without ASHRAE's prior written permission.
General Design Guidelines typically select for floor and roof beams. The equipment sizes and manufacturerrecommended maintenance clearances should be given to the architect, who can allocate equipment rooms of the proper size. Slab Selection The schematic design phase is also the proper time to determine the thicknesses (and, therefore, the weights) of the slabs that provide sound isolation between equipment rooms and any occupied spaces that are either above or below the equipment room. Table 1-2 gives preliminary slab thickness suggestions for various types of equipment.
A Practical Guide to Noise and Vibration Control for HVAC Systems by Mark E. Schaffer