THE RESEARCH-AND-DEVELOPMENT OF THE KEY COMPONENTS FOR DESICCANT COOLING SYSTEM

An air conditioning option, that is, desiccant cooling system (DCS) in which alternative energy source, such as solar energy, nature gas and rejected heat, can play their part for the benefit of environment and saving energy is constructed by regenerative dehumidification compone nt combined with heat exchanger (recuperator) and evaporative cooler. The mathematical model of an rotary desiccant wheel that can be used t o calculate the performance of stationary or rotary bed and transient or steady state operation is founded by considering many terms. A comp uter program for this new model has been compiled and some results of computer simulation compared with experimental value, they are good in agreement. The performance of evaporator is estimated by computer. We developed some kinds of evaporator of which the COP is about 10 simil ar to 15 to decrease the room temperature and clean the air in drier c limates. Using a new kind of chemical refrigerant invented by Zu-She L iu, the air conditioner will be simple in construction and very effici ent (COP>30).