A Review on Liquid Desiccant Powered Hybrid Air Conditioning for Indoor Thermal Comfort in Building

In hot and humid climates, the liquid desiccant dehumidification assisted air conditioning cooling technology was proposed as an option to conventionally used vapor compression based traditional HVAC devices used for building dehumidification and cooling. Desiccant cooling can replace VCR systems as they handle the sensible and latent load separately; in absence of CFC based refrigerants it is environment friendly and reduce the high grade electrical energy consumption by use of renewable or waste heat. Desiccant cooling has been considered as an effective technique to control the moisture content in the supply air in building comfort cooling. Various components of the liquid desiccant cooling have been discussed in detail. The present article describes recent research and development activities done in the field of desiccant cooling over the period of time.

Keywords: Cooling, dehumidification, liquid desiccants, regeneration, renewable energy.