Fans and Pumps

Bullet.gif (863 bytes)Fan laws
Bullet.gif (863 bytes)Pump laws


Ducts

Air density as a function of altitude and temperature
Bullet.gif (863 bytes)IP Units
Bullet.gif (863 bytes)SI Units

Duct system effect factors
Bullet.gif (863 bytes)Outlet duct lengths
Bullet.gif (863 bytes)Single-inlet fans
Bullet.gif (863 bytes)Duct elbows


Duct fittings

Pressure drop coefficients

Transitions

Bullet.gif (863 bytes)Smooth converging bell mouth with end wall
Bullet.gif (863 bytes)Transition, round

Elbows

Bullet.gif (863 bytes)smooth radius
Bullet.gif (863 bytes)three, four, and five-pieces, round
Bullet.gif (863 bytes)mitered, rectangular
Bullet.gif (863 bytes)mitered, with single thickness vanes, rectangular

Flow control

Bullet.gif (863 bytes)Blast gate
Bullet.gif (863 bytes)Damper, butterfly, round

Tees

Bullet.gif (863 bytes)converging, round
Bullet.gif (863 bytes)diverging, round, conical branch

Wyes

Bullet.gif (863 bytes)diverging, rectangular and round
Bullet.gif (863 bytes)rectangular and round


Systems

Equipment performance
Bullet.gif (863 bytes)Chiller part-load efficiency coefficients
Bullet.gif (863 bytes)Heat exchanger effectiveness relations

Heat exchanger effectiveness
Bullet.gif (863 bytes)Counterflow
Bullet.gif (863 bytes)Parallel-flow
Bullet.gif (863 bytes)Cross-flow


Economics
Bullet.gif (863 bytes)Equipment costs