Heat and Mass Transfer in Rotary Heat Exchangers With Nonhygroscopic Rotor Materials

Heat and mass transfer in rotary heat exchangers with nonhygroscopic rotor materials have been investigated. A numerical method of the finite-difference type is applied to the steady-state performance under conditions of finite rotational speed and finite longitudinal heat conduction. Temperature and absolute humidity distributions are calculated for a set of rotary heat exchanger parameters typical in air conditioning, and temperature and humidity efficiencies are evaluated for different inlet air conditions.