Share

Underground thermal energy storage and dehumidification.

Stockage souterrain d'énergie thermique et déshumidification.

Author(s) : GASPARELLA A., MARRA R., LONGO G. A.

Type of article: Article

Summary

In this article, the output of an underground thermal energy storage (UTES) is compared with that of a traditional air-conditioning installation (HVAC). The study aims to evaluate the UTES possibilities combined with a dehumidification air treatment unit (air handling unit: AHU). Contrary to usual solutions, in this case, humidity control is obtained separately through dehumidification of the ventilation air flow, obtained using liquid dehydrators in a counter-current column. During the winter, the AHU formula allows recovery of significant and latent heat, whereas in summer, the water temperature of the borehole exchangers generally compensates for the significant charge without going through the coolers. In this way, not only the operation but also the investment costs are reduced, which enhances the competitiveness of the UTES system. The solutions described are studied using computer simulation of a modern office building under northern Italian climatic conditions.

Details

  • Original title: Stockage souterrain d'énergie thermique et déshumidification.
  • Record ID : 2004-2477
  • Languages: French
  • Source: Rev. gén. Froid - vol. 94 - n. 1040
  • Publication date: 2004/01
  • Document available for consultation in the library of the IIR headquarters only.

Links


See other articles in this issue (3)
See the source

Indexing