Earth To Air Heat Exchanger Design

Earth tubes also known as earth air heat exchangers eahx in professional circles or as cool tubes in australia or by a variety of other names can be designed many ways.

Earth to air heat exchanger design.

In the last two decades a lot of research has been done to develop analytical and numerical models for the analysis of eahe systems. The design of earth air heat exchanger mainly depends on the heating cooling load requirement of a building to be conditioned. Most home owners who install them realize that while they are dealing with very ancient and intuitive technology earth tubes are still poorly understood and somewhat experimental. The earth air heat exchanger eahe is a promising technique which can effectively be used to reduce the heating cooling load of a building by preheating the air in winter and vice versa in summer.

Earth to air heat exchangers designing buildings wiki share your construction industry knowledge. After calculation of heating cooling load the design of the earth air heat exchanger only depends on the geometrical constraints and cost analysis. As the temperature of the ground below 3m is practically constant it substantially reduces ambient air temperature fluctuations. This method consists of buried.

They use the earth s near constant subterranean temperature to warm or cool air or other fluids for residential agricultural or industrial uses. An earth to air heat exchanger draws ventilation supply air through buried ducts or tubes. A ground coupled heat exchanger is an underground heat exchanger that can capture heat from and or dissipate heat to the ground. If building air is blown through the heat exchanger for heat recovery ventilation they are called earth tubes also.

It therefore provides space conditioning throughout the year with the.