Recent Advances in Heating and Cooling using Earth Air Heat Exchanger (EAHE): A Review

  Pratish Rawat,  Ashwani Kapoor

A ground-coupled heat exchanger or earth air heat exchanger (EAHE or EAHX) is a heat exchanger in which heat interactions takes place between working fluid and earth. They are the most economical and promising alternative to conventional air-conditioning systems. This paper presents a comprehensive literature review that deal with heating, ventilation and air conditioning technologies using earth air heat exchanger (EAHE). Under the depth of 4 to 5 meters the ground temperature which is known as undisturbed temperature, is remains constant throughout the year because of high heat capacity and high insulation potential. The underground temperature at this depth is higher in winter and lower in summer than ambient temperature. In this paper various design factors and performance parameters were discussed. Simulation and Modeling is one of the very useful tools to predict the effect of the operating parameters of earth-air heat exchanger systems. Many study and research are carried out in last 25 years on different models and performance parameters. This paper also discussed various two and three dimensional models developed.

Keywords- Earth air heat exchanger, constant ground temperature, geothermal energy, heating and cooling

Unique Identification Number - IJEDR1602249
Page Number(s) - 1398-1404
Pubished in - Volume 4 | Issue 2 | June 2016
DOI (Digital Object Identifier) -   
Publisher - IJEDR (ISSN - 2321-9939)

  Pratish Rawat,  Ashwani Kapoor,   "Recent Advances in Heating and Cooling using Earth Air Heat Exchanger (EAHE): A Review", International Journal of Engineering Development and Research (IJEDR), ISSN:2321-9939, Volume.4, Issue 2, pp.1398-1404, June 2016, Available at :http://www.ijedr.org/papers/IJEDR1602249.pdf