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60 TRG-TRC013-EN
notes
Let’s review the main concepts that were covered in this clinic on air
conditioning fans.
Period One introduced the method of determining and plotting fan
performance. It also discussed static pressure versus velocity pressure and the
interaction of the fan and the system.
Air Conditioning Fans
period five
Figure 85
Review—Period One
airflow
airflow
static pressure
static pressure
surge
region
surge
surge
region
region
design system
resistance curve
design system
design system
resistance curve
resistance curve
f
a
n
s
p
e
e
d
f
a
n
s
p
e
e
d
input
input
power
power
Figure 86
period five
Review