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.

Earth to air heat exchanger design. The diameter of pipe pipe length and number. Earth to air heat exchangers designing buildings wiki share your construction industry knowledge. If building air is blown through the heat exchanger for heat recovery ventilation they are called earth tubes also. They use the earth s near constant subterranean temperature to warm or cool air or other fluids for residential agricultural or industrial uses.

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. 9 10 11 12 13 14 another setup to cool down or heat up an edification ambient using the soil depth as sink heat source is the earth air heat exchanger. 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. The design of earth air heat exchanger mainly depends on the heating cooling load requirement of a building to be conditioned.

As the temperature of the ground below 3m is practically constant it substantially reduces ambient air temperature fluctuations. After calculation of heating cooling load the design of the earth air heat exchanger only depends on the geometrical constraints and cost analysis. An earth to air heat exchanger draws ventilation supply air through buried ducts or tubes. This method consists of buried.

It therefore provides space conditioning throughout the year with the.