Manual Q - Low Pressure, Low Velocity Duct System Design

Manual QManual Q - Low Pressure, Low Velocity Duct System Design

Manual Q is your one-stop reference book on the low-pressure, low-velocity systems used in small and mid-size commercial buildings. Manual Q gives you time-saving quick fitting loss tables and a complete set of fitting loss tables compiled from the ASHRAE and SMACNA handbooks.

Manual Q is your one-stop reference book on the low-pressure, low-velocity systems used in small and mid-size commercial buildings. Manual Q gives you time-saving quick fitting loss tables and a complete set of fitting loss tables compiled from the ASHRAE and SMACNA handbooks.

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Topics include:

  • Performance characteristics of fans, duct systems, air-side devices, and duct system materials
  • Fan inlet and fan discharge losses
  • Duct sizing methods, including a comprehensive treatment of the equal friction duct sizing method
  • Examples of how to design constant volume, variable volume, rooftop multi-zone, and VVT duct systems
  • Exhaust equipment and exhaust duct systems
  • Building pressure control, ventilation, and air balance
  • Fittings and hardware for adjustment, test, and balance work
  • Duct system efficiency, conduction losses, and duct leakage

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