ENERGETIC STUDY OF A SOLAR ASSISTED GROUND SOURCE HEAT PUMP SYSTEM FOR DOMESTIC HEATING WITH PARAMETRIC ANALYSES VIA SIMULATION
type: CreativeWork
description: In this thesis, a solar assisted ground source heat pump system is energetically evaluated for the UK Midlands climate conditions. The conducted research is supported by an experiment made by De Montfort University. This consisted of seven photovoltaic-thermal collectors and a novel very shallow geothermal heat exchanger, supplying a heat pump used to heat a small house. The detail mathematical model of the system was formulated, and parametric analyses were conducted via simulation. Parametric analyses were carried out by assuming two dwelling types, one new and one refurbished, and by varying the number of the solar collectors and the size of the novel very shallow geothermal heat exchanger (1.5 m deep). Additionally, two potential system configurations and two locations of geothermal heat exchanger had been assumed (the one to be exposed and the other to be beneath the dwelling). The important aspects of the research were: a) to determine the parameter which influence the systems energy performance and to define the energetically better system configuration, b) to identify the heat and electricity independence of the system from conventional energy sources, c) to examine the metrics in which the energy evaluation of the systems can be based on and d) the potential reduction of greenhouse gases emissions against a natural gas boiler-based system and a ground source heat pump system. Within the current work, no economic evaluation of the system has been conducted. The results analysis has shown that the higher ratio of generated to consumed electricity is the index which illustrates the system with the best energy performance. This ratio is a valid approach only if the auxiliary heat required by the systems is added to the consumed electricity, by being assumed to be offered via electricity. By contrast, the seasonal performance factor, which is used widely, was diagnosed as an unappropriated metric to describe the energy performance of the systems. Additionally, t…
abstract: In this thesis, a solar assisted ground source heat pump system is energetically evaluated for the UK Midlands climate conditions. The conducted research is supported by an experiment made by De Montfort University. This consisted of seven photovoltaic-thermal collectors and a novel very shallow geothermal heat exchanger, supplying a heat pump used to heat a small house. The detail mathematical model of the system was formulated, and parametric analyses were conducted via simulation. Parametric analyses were carried out by assuming two dwelling types, one new and one refurbished, and by varying the number of the solar collectors and the size of the novel very shallow geothermal heat exchanger (1.5 m deep). Additionally, two potential system configurations and two locations of geothermal heat exchanger had been assumed (the one to be exposed and the other to be beneath the dwelling). The important aspects of the research were: a) to determine the parameter which influence the systems energy performance and to define the energetically better system configuration, b) to identify the heat and electricity independence of the system from conventional energy sources, c) to examine the metrics in which the energy evaluation of the systems can be based on and d) the potential reduction of greenhouse gases emissions against a natural gas boiler-based system and a ground source heat pump system. Within the current work, no economic evaluation of the system has been conducted. The results analysis has shown that the higher ratio of generated to consumed electricity is the index which illustrates the system with the best energy performance. This ratio is a valid approach only if the auxiliary heat required by the systems is added to the consumed electricity, by being assumed to be offered via electricity. By contrast, the seasonal performance factor, which is used widely, was diagnosed as an unappropriated metric to describe the energy performance of the systems. Additionally, t…
author: Sakellariou, Evangelos
license: https://dora.dmu.ac.uk/bitstreams/c57413c9-06bc-4a53-acfb-a82d48372cd5/download
date published: 2020-01
date modified: 2026-07-24T06:18:47Z
provider: De Montfort University
publisher: Networked Digital Library of Theses and Dissertations
type: WebPage
source organization: De Montfort University