Psychrometric SHR Apparatus Dew Point Calculator
HVAC Air Conditioning Thermodynamics: Calculate Sensible Heat Ratio ($SHR$), Apparatus Dew Point ($T_{adp}$), coil bypass factor ($BF$), and required airflow ($CFM$).
Space Thermal Loads
Room Design Conditions
Cooling Coil Characteristics
Airflow & State Points
Sensible Heat Ratio ($SHR$)
--
Total: -- Btu/hr (-- Tons)
Apparatus Dew Point ($T_{adp}$)
-- °F
Contact Factor η: -- %
Required Supply Airflow
-- CFM
Specific: -- CFM/Ton
Supply Air Dry-Bulb ($T_s$)
-- °F
Moisture Removal: -- lb/hr
Psychrometric Balance:
• $SHR = \frac{q_s}{q_s + q_l}$. Apparatus Dew Point ($T_{adp}$) is the intersection of the condition line with the saturation curve.
• Supply temperature: $T_s = T_{adp} + BF \cdot (T_r - T_{adp})$. Airflow: $CFM = \frac{q_s}{1.08 \cdot (T_r - T_s)}$.
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