Direct geothermal energy: harnessing an emerging technology

Ground-Source Heat Pump Systems: The Effects of Variable Trench Separations and Pipe Configurations in Horizontal Ground Heat Exchangers

Yu Zhou, Asal Bidarmaghz, Nikolas Makasis, Guillermo Narsilio

2021-07-01

Ground-source heat pump systems are renewable and highly efficient HVAC systems that utilise the ground to exchange heat via groun..

A Case Study on the Application of Energy Tunnels in Sydney, Australia

N Makasis, GA Narsilio

2021-01-01

Shallow geothermal energy systems are known to efficiently provide renewable energy for heating and cooling purposes. Energy geo-s..

Investigating the thermal performance of energy soldier pile walls

N Makasis, GA Narsilio

2021-01-01

Energy geo-structures are a promising application of shallow geothermal energy technologies utilising underground structures prima..

Comparative costs of ground source heat pump systems against other forms of heating and cooling for different climatic conditions

GR Aditya, O Mikhaylova, GA Narsilio, IW Johnston

2020-12-01

Ground source heat pump (GSHP) systems can provide cost effective and sustainable heating and cooling for buildings while using co..

Energy diaphragm wall thermal design: The effects of pipe configuration and spacing

N Makasis, GA Narsilio

2020-07-01

Energy geo-structures utilise underground structures primarily designed for structural and geo-mechanical stability to also provid..

Energy geostructures: A review of analysis approaches, in situ testing and model scale experiments

F Loveridge, JS McCartney, GA Narsilio, M Sanchez

2020-05-01

This position paper was developed by members of the task force on “Energy Geostructures” of the International Society of Soil Mech..

The importance of boundary conditions on the modelling of energy retaining walls

N Makasis, GA Narsilio, A Bidarmaghz, IW Johnston, Y Zhong

2020-04-01

Shallow geothermal technologies have proven to efficiently provide renewable energy for space heating and cooling. Recently, signi..

The Application of Retaining Walls and Slabs as Energy Structures in Underground Train Stations

Nikolas Makasis, Guillermo A Narsilio, Asal Bidarmaghz, Ian W Johnston

2019-01-01

Shallow geothermal technologies have proven to efficiently provide renewable energy for heating and cooling. Recently much attenti..

A robust prediction model approach to energy geo-structure design

Nikolas Makasis, Guillermo A Narsilio, Asal Bidarmaghz

2018-12-01

Energy geo-structures, such as piles or retaining walls, provide geothermal space heating and cooling, in addition to their struct..

Heat exchange mechanisms in energy tunnel systems

Asal Bidarmaghz, Guillermo A Narsilio

2018-12-01

Ground Source Heat Pump (GSHP) systems are known for their efficiency in space heating and cooling, using the ground as a source o..

Investigation of the effect of seasonal variation in ground temperature on thermal response tests

Linden Jensen-Page, Guillermo A Narsilio, Asal Bidarmaghz, Ian W Johnston

2018-09-01

Economical design of Ground Heat Exchangers (GHEs) relies significantly on accurate estimations of ground thermal properties, incl..

Ground-source heat pump systems: The effect of variable pipe separation in ground heat exchangers

Nikolas Makasis, Guillermo A Narsilio, Asal Bidarmaghz, Ian W Johnston

2018-08-01

Closed loop ground-source heat pump (GSHP) systems use ground heat exchangers (GHEs) to transfer heat to and from the ground and e..

Carrier fluid temperature data in vertical ground heat exchangers with a varying pipe separation

Nikolas Makasis, Guillermo A Narsilio, Asal Bidarmaghz, Ian W Johnston

2018-06-01

The dataset in this article is related to shallow geothermal energy systems, which efficiently provide renewable heating and cooli..

Model predictive control for a solar assisted ground source heat pump system

Hansani Weeratunge, Guillermo Narsilio, Julian de Hoog, Simon Dunstall, Saman Halgamuge

2018-06-01

There has been an increased interest in cost and energy efficiency for heating, ventilation, and air conditioning systems for buil..

A machine learning approach to energy pile design

Nikolas Makasis, Guillermo A Narsilio, Asal Bidarmaghz

2018-05-01

Incorporating ground heat exchangers (GHEs) into building foundations allows them to also provide thermal energy for space heating..

A computational geometry approach to pore network construction for granular packings

Joost H van der Linden, Adnan Sufian, Guillermo A Narsilio, Adrian R Russell, Antoinette Tordesillas

2018-03-01

Pore network construction provides the ability to characterize and study the pore space of inhomogeneous and geometrically complex..

Cost and performance data for residential buildings fitted with GSHP systems in Melbourne Australia

Qi Lu, Guillermo A Narsilio, Gregorius Riyan Aditya, Ian W Johnston

2017-06-01

The data reported in this article presents actual installation costs and performance data for a selection of residential Ground So..

Thermal interaction between tunnel ground heat exchangers and borehole heat exchangers

Asal Bidarmaghz, Guillermo A Narsilio, Patrik Buhmann, Christian Moormann, Bernhard Westrich

2017-06-01

Renewable geothermal energy is an energy source that can be used for heating and cooling purposes. One common method of harvesting..

Economic analysis of vertical ground source heat pump systems in Melbourne

Qi Lu, Guillermo A Narsilio, Gregorius Riyan Aditya, Ian W Johnston

2017-04-15

This study assesses some economic indicators for residential vertical Ground Source Heat Pump (GSHP) systems in Melbourne, Austral..

Machine learning framework for analysis of transport through complex networks in porous, granular media: A focus on permeability

Joost H van der Linden, Guillermo A Narsilio, Antoinette Tordesillas

2016-08-17

We present a data-driven framework to study the relationship between fluid flow at the macroscale and the internal pore structure,..

Geothermal energy in loess

Asal Bidarmaghz, Nikolas Makasis, Guillermo A Narsilio, Franco M Francisca, Magali E Carro Perez

2016-08-01

Uncertainties in the design of ground heat exchangers

Olga Mikhaylova, Ian W Johnston, Guillermo A Narsilio

2016-08-01

Ground source heat pump (GSHP) systems have the potential to reduce the carbon dioxide footprint of buildings by providing them wi..

Shallow geothermal energy: emerging convective phenomena in permeable saturated soils

A Bidarmaghz, GA Narsilio

2016-06-01

Ground source heat pump (GSHP) systems efficiently heat and cool buildings using sustainable geothermal energy accessed by way of ..

The importance of surface air temperature fluctuations on long-term performance of vertical ground heat exchangers

Asal Bidarmaghz, Guillermo A Narsilio, Ian W Johnston, Stuart Colls

2016-06-01

Ground source heat pump (GSHP) systems efficiently heat and cool buildings using geothermal energy accessed via ground heat exchan..