Ian Johnston

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

Journal article  |  2020  |  Sustainable Energy Technologies and Assessments

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

Revisiting Methods for the Design of Rock Socketed Piles

IW Johnston

Journal article  |  2020  |  Journal of Geotechnical and Geoenvironmental Engineering

The three principal methods specifically developed for the design of rock socketed piles were originally presented in the 1980s. O..

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

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

Journal article  |  2020  |  Computers and Geotechnics

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

Full-Scale Instrumented Residential Ground Source Heat Pump Systems in Melbourne, Australia

GR Aditya, GA Narsilio, IW Johnston, MM Disfani

Conference Proceedings  |  2019  |  ENERGY GEOTECHNICS, SEG-2018

Ground-source heat pump (GSHP) systems typically show higher efficiencies than conventional systems for space heating and cooling ..

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

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

Conference Proceedings  |  2019  |  ENERGY GEOTECHNICS, SEG-2018

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

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

Journal article  |  2018  |  RENEWABLE ENERGY

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

Journal article  |  2018  |  COMPUTERS AND GEOTECHNICS

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

Journal article  |  2018  |  DATA IN BRIEF

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

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

Journal article  |  2017  |  DATA IN BRIEF

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

Economic analysis of vertical ground source heat pump systems in Melbourne

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

Journal article  |  2017  |  ENERGY

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