Global sensitivity analysis of borehole thermal energy storage efficiency for seventeen material, design and operating parameters

Jerzy Wołoszyn

Renewable Energy, 2020, vol. 157, issue C, 545-559

Abstract: The effect of seventeen parameters (material, design and operating) on the efficiency of the long-term operation of borehole thermal energy storage (BTES) has been investigated in this paper. Global sensitivity analysis was used to determine this effect and the use of the fast meta-model to predict the thermal efficiency of BTES has also been proposed. Carrying out research on the real object using this many input parameters is impossible, therefore, the use of 3D transient simulation studies of heat and mass transport in the BTES was chosen. An efficient numerical technique, coupled with the design and analysis of the computational experiment method was used to significantly reduce the required calculation time.

Keywords: Borehole Thermal energy storage; Global sensitivity analysis; Borehole heat exchanger; Meta-modelling; Thermal energy storage; Parameters’ influence (search for similar items in EconPapers)
Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:157:y:2020:i:c:p:545-559

DOI: 10.1016/j.renene.2020.05.047

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