CONDENSACIONES

2. Sensible heat required to raise the
temperature of an air-vapor mixture.
• Calculate the amount of sensible heat that must
be added to 10 lb. of air at 55° dry-bulb and 40%
relative humidity to raise the temperature of the
air to 90°F dry bulb.
H1
Enthalpy
40%
H2
Steps to follow to solve the problem
• A. Locate the 55° dry bulb and 40% R. Humidity point.
• B. Follow the enthalpies line to H1.
• C. Move from point established in (A), right to 90° on a
horizontal constant water content line.
• D. Follow enthalpies line H2.
H2
• E. H2 = 25.9 BTU’s/lb dry air.
• F. H1 = 17.5 BTU’s/lb dry air. Enthalpy
H1
40%
55 Degrees F 90
55 Degrees F 90