Two-stage desiccant cooling system using low-temperature heat

The use of low regeneration temperature in a two-stage desiccant cooling system was discussed, including the decrease in heat pollution resulting from lower exhaust air temperatures, as compared to single-stage desiccant system. A mathematical model based on the analogy theory by Banks, Close and Maclaine-Cross was used for the desiccant wheel. Computer calculations show that lower generation temperature will be required than for a single stage desiccant cooling system, which makes low-quality thermal energy utilization possible.