LIQUID RECIRCULATION AND
LIQUID OVERFEED
The terms liquid recirculation and liquid overfeed are sometimes used
interchangeably and refer to the practice of delivering a greater rate of liquid
refrigerant to the evaporator than evaporates. So at the exit of the coil a mixture
of liquid and vapor flow out of the evaporator, as shown in Fig. 8.1. If there is
desire to differentiate between liquid overfeed and liquid recirculation, it might
be that liquid overfeed applies to the coil, while a liquid recirculation system
incorporates the additional equipment to accommodate the overfeeding of
the coil.