A phenomenological theory of steady-state vertical geothermal systems: A novel approach

Olga Kordas and Eugene Nikiforovich

Energy, 2019, vol. 175, issue C, 23-35

Abstract: This paper proposes a novel approach for studying the stationary energy characteristics of vertical geothermal systems (VGS) using stationary two-dimensional phenomenological mathematical theory. The approach describes VGS as a single, strongly nonequilibrium thermodynamic system consisting of a soil, a borehole with secondary fluid and a ground source heat pump (GSHP). The model uses continuity conditions for temperature and local heat fluxes between VGS components.

Keywords: Vertical geothermal system; Strongly non-equilibrium thermodynamic systems; Optimal GSHP systems; Thermodynamic scheme for VGS; Energy discharge of BHE; Similarity and dimensional methods (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:175:y:2019:i:c:p:23-35

DOI: 10.1016/j.energy.2019.03.030

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