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TRG-TRC001-EN 27
period three
Sensible Heat Ratio
notes
The sensible heat ratio, abbreviated as SHR, refers to the comparison of
sensible heat gain to total heat gain (sensible heat plus latent heat). Once this
ratio is known, an SHR line can be drawn on the psychrometric chart.
A scale around the right and top edges of the chart gives the SHR values. Also,
there is an index point in the middle of the chart at the 78°F DB and 65°F WB
condition.
Using a straight edge, a sensible heat ratio line can be drawn by aligning the
appropriate SHR value on the scale with the index point.
6+5
6HQVLEOH+HDW*DLQ
6HQVLEOH+HDW*DLQ/DWHQW+HDW*DLQ
6HQVLEOH+HDW5DWLR6+5
Figure 44
Sensible Heat Ratio (SHR)
Sensible Heat Gain
Sensible Heat Gain Latent Heat Gain+
=
)'%
):%
)'%
):%
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6HQVLEOH+HDW5DWLR6FDOH
Figure 45