Environmental Performance of Innovative Ground-Source Heat Pumps with PCM Energy Storage

Author:

Bonamente EmanueleORCID,Aquino Andrea

Abstract

Space conditioning is responsible for the majority of carbon dioxide emission and fossil fuel consumption during a building’s life cycle. The exploitation of renewable energy sources, together with efficiency enhancement, is the most promising solution. An innovative layout for ground-source heat pumps, featuring upstream thermal energy storage (uTES), was already proposed and proved to be as effective as conventional systems while requiring lower impact geothermal installations thanks to its ability to decouple ground and heat-pump energy fluxes. This work presents further improvements to the layout, obtained using more compact and efficient thermal energy storage containing phase-change materials (PCMs). The switch from sensible- to latent-heat storage has the twofold benefit of dramatically reducing the volume of storage (by a factor of approximately 10) and increasing the coefficient of performance of the heat pump. During the daily cycle, the PCMs are continuously melted/solidified, however, the average storage temperature remains approximately constant, allowing the heat pump to operate closer to its maximum efficiency. A life cycle assessment (LCA) was performed to study the environmental benefits of introducing PCM-uTES during the entire life cycle of the system in a comparative approach.

Funder

Fondazione Cassa di Risparmio di Perugia

Publisher

MDPI AG

Subject

Energy (miscellaneous),Energy Engineering and Power Technology,Renewable Energy, Sustainability and the Environment,Electrical and Electronic Engineering,Control and Optimization,Engineering (miscellaneous)

Reference53 articles.

1. A Roadmap for Moving to a Competitive Low Carbon Economy in 2050,2011

2. Horizon 2020 Work Programme for Secure, Clean, and efficient Energy,2019

3. Innovative designs of building energy codes for building decarbonization and their implementation challenges

4. Global Warming of 1.5 °C—Chapter 2: Mitigation Pathways Compatible with 1.5 °C in the Context of Sustainable Development,2018

5. Europe’s Buildings under the Microscope: A Country-by-Country Review of the Energy Performance of Buildings;Atanasiu,2011

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