Indirect Evaporative Cooler for Efficient Energy Recovery

Project_Indirect Evaporative Cooler for Efficient Energy Recovery

A new way to reduce energy consumption of central air-conditioning systems

This innovative indirect evaporative cooler (IEC) significantly recovers energy by using exhaust air and water evaporation to cool air. The specially designed IEC has a series of alternating wet and dry channels for exhaust air and fresh air to pass through respectively. The channels have hydrophilic and hydrophobic coatings respectively on the inside channel surfaces, which can increase the cooling efficiency. The cooler can save around 17% to 35% of energy. Compared with existing energy saving technologies for air conditioning systems such as heat wheel, IEC is lower in energy consumption, easy to maintain and environmental friendly. It is also suitable in both dry and humid regions.

Special Features and Advantages

Developed based on thorough research on heat and mass transfer
Overcame the limitation that regular IECs can operate in dry regions only – suitable in hot and humid regions also
Low in energy consumption, easy to maintain and environmental friendly

Applications

Central air-conditioning systems of any establishments, particularly large public or commercial buildings which require large amounts of fresh air, e.g. wet markets, stadiums, hospitals, shopping malls, etc

Suitable for any climate, especially hot and wet regions, e.g. Guangdong, Hong Kong and Southeaster Asian countries

Award & Patent

Gold Medal – 47th International Exhibition of Inventions of Geneva, Switzerland (Apr 2019)

Patent application no.:

201711442375.3 (China)

Principal Investigator

Prof. Hongxing YANG

Department of Building Services Engineering

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Indirect Evaporative Cooler for Efficient Energy Recovery

A new way to reduce energy consumption of central air-conditioning systems