Thermal analysis of a helical heat exchanger for ground thermal energy storage in arid zones

Y. Rabin, E. Korin

Research output: Contribution to journalArticlepeer-review

49 Scopus citations

Abstract

A mathematical model for thermal analysis of a helical heat exchanger for long-term thermal energy storage in soil for use in arid zones was developed. The helical heat exchanger was modeled as a series of horizontal rings with a constant pitch distance between them. The model was solved by a finite difference method, using a microcomputer, and validated with experimental data obtained from field experiments. Based on the model, theoretical results of the following parametric studies are presented: thermal properties of the soil, cycle period, and height and pitch distance of the helical heat exchanger.

Original languageEnglish
Pages (from-to)1051-1065
Number of pages15
JournalInternational Journal of Heat and Mass Transfer
Volume39
Issue number5
DOIs
StatePublished - 1 Jan 1996

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