Numerical simulation, technical and economic evaluation of air-to-earth heat exchanger coupled to a building

M. Bojic, N. Trifunovic, G. Papadakis and S. Kyritsis

Energy, 1997, vol. 22, issue 12, 1151-1158

Abstract: An air-to-earth heat exchanger (ATEHE) consists of pipes buried in soil. We have evaluated the technical and economic performance of an ATEHE coupled to the system for heating or cooling of a building that uses 100% fresh air as heating or cooling medium during winter and summer. The soil is divided into elementary layers. The problem solved, is non stationary; however, steady state-energy equations are used for soil layers in each time step. It is found that the use of the ATEHE covers a portion of the daily building needs for space heating or cooling. The cost of the ATEHE energy is lower for summer than for winter.

Date: 1997
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Citations: View citations in EconPapers (16)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:22:y:1997:i:12:p:1151-1158

DOI: 10.1016/S0360-5442(97)00055-8

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