DEHUMIDIFER
Temperature Process Out: Tpo = Tpi + .68 (Mpi-Mpo) + .05 (Tri-Tpi)
Reactivation Outlet Moisture: Mro = Mri + Vp/Vr (Mpi-Mpo)
Temperature Reactivation Out: Tro = Tri – [(Tpo – Tpi)
x Vp/Vr]
Reactivation Energy: BTU/H = 1.08 x Vr x (Tri – Tru)
MISCELLANEOUS FORMULAS
Moisture Removal: lbs/hr =4.47 x CFM x Δgr.
7000
CFM: = 7000[lbs/hr]
(4.47 x Δ GR)
ENERGY FORMULAS
KW= CFM x 1.08 x Δ T or BTU/H
3412 3412
Temperature rise = BTU/H
CFM x 1.08
BTU/H = KWH x 3412
HP x 2545
CFM x 1.08 x Δ T
LEGEND
Tpo Temp Process Out (°F) Vp Process Air Volume (CFM)
Tpi Temp Process In (°F) Vr React Air Volume (CFM)
Tru Temp React In Unheated (°F) Mpo Moisture Process Out (GR)
Tro Temp React Out (°F) Mpi Moisture Process In (GR)
Tri Temp React In (°F) Mro Moisture React Out (GR)
CFM Cubic Feet/Minute Mri Moisture React In (GR)
BTU/H British Thermal Units/Hour HP Horsepower
ΔGR Difference in Grains KWH Kilowatt Hours
ΔT Difference in Temperature
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