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 ...

High-velocity air conditioning systems are a small, but growing segment of the HVAC market. They are ideal for some situations, but certainly have drawbacks that should be considered.

High-Velocity Scrubbers. November 1, 2001. ... at low pressure drop, creates a swirling, two-phase mixture of gas and slurry. It is routinely operating on over three dozen installations, ...

The turning of the earth creates a force called the Coriolis force; that's responsible for the air moving around high and low pressure systems. Because the air within a "high" is sinking, ...

Dear Tom, What do high pressure and low pressure mean, and what is the difference? Mike McGarry, Fayetteville, Arkansas Dear Mike, “High” and “low” pressure refer to air pre… ...