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Ground Source Heat Pump

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "J: Thermal Management".

Deadline for manuscript submissions: closed (31 December 2020) | Viewed by 3607

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Guest Editor
School of Science, Engineering, and Technology, Penn State University Harrisburg, Middletown, PA 17507, USA
Interests: ground-source heat pumps; energy efficiency in buildings; distributed generation; combined heating; cooling and power systems
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Special Issue Information

Dear Colleagues,

The share of the building sector in the total energy use in the US is almost 48%. Providing thermal comfort in buildings is an energy-intensive task. Heat pumps have proven to be a reliable technology that can significantly reduce energy use by increasing the seasonal coefficient of performance (COP) compared to traditional heating systems. Ground-source heat pumps can further improve the COP by leveraging the thermal energy stored seasonally in the soil. The capital cost of implementing ground-source heat pump projects is the most important issue. This Special Issue aims to address two main issues. The first is research proposing methods for cutting the capital cost, and the second is research leading to methods that address the sustainability of the ground source by mitigating long-term soil thermal energy degradation.

Dr. Hessam Taherian
Guest Editor

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Keywords

  • Ground-source heat pumps (GSHP)
  • Horizontal ground loop
  • Long-term performance of GSHP
  • Capital cost reduction of GSHP
  • Assistive technologies for GSHP

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Published Papers (1 paper)

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Research

21 pages, 3531 KiB  
Article
Clearing a Path for Ground Heat Exchange Systems: A Review on Thermal Response Test (TRT) Methods and a Geotechnical Routine Test for Estimating Soil Thermal Properties
by Alessandro Franco and Paolo Conti
Energies 2020, 13(11), 2965; https://doi.org/10.3390/en13112965 - 9 Jun 2020
Cited by 20 | Viewed by 3092
Abstract
The performance of ground heat exchanger systems depends on the knowledge of the thermal parameters of the ground, such as thermal conductivity, capacity, and diffusivity. The knowledge of these parameters often requires quite accurate experimental analysis, known as a thermal response test (TRT). [...] Read more.
The performance of ground heat exchanger systems depends on the knowledge of the thermal parameters of the ground, such as thermal conductivity, capacity, and diffusivity. The knowledge of these parameters often requires quite accurate experimental analysis, known as a thermal response test (TRT). In this paper, after a general analysis of the various available types of TRT and a study of the theoretical basics of the method, we explore the perspective of the definition of a simplified routine method of analysis based on the combination of a particular version of TRT and the routine geotechnical tests for the characterization of soil stratigraphy and the ground characteristics. Geotechnical analyses are indeed mandatory before the construction of new buildings, even if limited to 30 m below the ground level or foundation base when piles are needed. The idea of developing TRT in connection with geotechnical test activity has the objective of promoting the widespread use of in situ experimental analysis and reducing TRT costs and time. The considerations presented in the present paper lead to reconsidering a particular variety of the TRT, in particular, the versions known as thermal response test while drilling (TRTWD) and TRT using heating cables (HC-TRT). Full article
(This article belongs to the Special Issue Ground Source Heat Pump)
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