Novel Methodology for Sizing a Single U-Tube Ground Heat Exchanger Useful at the Early Design Stage
Author(s): |
Seung-Hyo Baek
Byung-Hee Lee Myoung-Souk Yeo |
---|---|
Medium: | journal article |
Language(s): | English |
Published in: | Buildings, 23 November 2021, n. 12, v. 11 |
Page(s): | 651 |
DOI: | 10.3390/buildings11120651 |
Abstract: |
Renewable energy system (RES) is an environmentally friendly source of energy. A suitable design of RES is crucial to implement an energy-efficient building such as a zero energy building (ZEB). The significance of appropriate decision-making for the successful implementation of energy-efficient buildings has been increasing. In addition, the identification of the sizing of RES is equally important for architects or HVAC engineers. In this study, a novel sizing method for a single U-tube ground heat exchanger (GHE) is proposed. A transient thermal analysis for a single GHE is performed by considering ground temperature recovery effect as well as other major design parameters. The results are used to design the proposed sizing method and were verified by transient simulations for different design cases. Additionally, it was observed that the coefficient of variation of root mean square error (CV(RMSE)) for all ten design cases was lower than 15% during the heating and cooling seasons. Thus, the proposed design method can be used for sizing a GHE in the early design stage. |
Copyright: | © 2021 by the authors; licensee MDPI, Basel, Switzerland. |
License: | This creative work has been published under the Creative Commons Attribution 4.0 International (CC-BY 4.0) license which allows copying, and redistribution as well as adaptation of the original work provided appropriate credit is given to the original author and the conditions of the license are met. |
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data sheet - Reference-ID
10646931 - Published on:
10/01/2022 - Last updated on:
10/01/2022