On sustainable and efficient design of ground-source heat pump systems

This paper is mainly aimed at stressing some fundamental features of the GSHP design and is based on a broad research we are performing at the University of Pisa. In particular, we focus the discussion on an environmentally sustainable approach, based on performance optimization during the entire op...

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Bibliographic Details
Published in:Journal of physics. Conference series 2015-11, Vol.655 (1), p.12003
Main Authors: Grassi, W, Conti, P, Schito, E, Testi, D
Format: Article
Language:English
Subjects:
Energy requirements
Feasibility studies
Heat pumps
Life cycle assessment
Methodology
Optimization
Performance evaluation
Physics
Subsystems
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Summary:This paper is mainly aimed at stressing some fundamental features of the GSHP design and is based on a broad research we are performing at the University of Pisa. In particular, we focus the discussion on an environmentally sustainable approach, based on performance optimization during the entire operational life. The proposed methodology aims at investigating design and management strategies to find the optimal level of exploitation of the ground source and refer to other technical means to cover the remaining energy requirements and modulate the power peaks. The method is holistic, considering the system as a whole, rather than focusing only on some components, usually considered as the most important ones. Each subsystem is modeled and coupled to the others in a full set of equations, which is used within an optimization routine to reproduce the operative performances of the overall GSHP system. As a matter of fact, the recommended methodology is a 4-in-1 activity, including sizing of components, lifecycle performance evaluation, optimization process, and feasibility analysis. The paper reviews also some previous works concerning possible applications of the proposed methodology. In conclusion, we describe undergoing research activities and objectives of future works.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/655/1/012003