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Open access Sep 2026

Dynamic Modeling of Geothermal Heat Pump System by Nanofluid Coupled with Building

This study aims to enhance the energy efficiency and environmental performance of geothermal heat pump (GHP) systems by integrating aluminum oxide (Al₂O₃)-based nanofluids within the heating, ventilation, and air conditioning (HVAC) system of a residential building. Using TRNSYS 18 for dynamic simulation, a two-story h...

Jiao He, Ya-Zhao Liu, ,-Yang-Yan Feng · 0 citations
Open access Aug 2026

Techno-Economic and Environmental Assessment of Nanofluid-Enhanced Solar Water Heating Systems for Residential Applications

Residential water heating constitutes a significant share of household energy consumption, yet the performance of conventional solar water heating (SWH) systems is limited by the low thermal conductivity of water. This study presents a techno-economic and environmental assessment of nanofluid-enhanced flat-plate SWH sy...

O. Alabi, O. Gbadeyan, O. Olanrewaju · 0 citations
Sep 2026

The Heat Beneath Our Feet: A Comprehensive Techno-Economic and Sustainability Evaluation of Geothermal Energy Extraction in Kuwait

This paper investigates the feasibility of re-purposing an oil well in the Bahra Kuwait Oil Field to extract geothermal energy using a closed-loop co-axial well design. It evaluates the performance, economic viability, and environmental impact of using water versus supercritical CO2 as heat-carrier fluids, with the a...

E. Al-Safran, Fatemah Naser, Zahraa Almutawaa et al. · 0 citations
Open access Aug 2026

Techno-economic and environmental assessment of nanofluid integration in different solar water heating systems

Abstract Solar collectors represent one of the most established and extensively utilized technologies for harnessing solar energy. In recent years, growing attention has been devoted to enhancing their efficiency through the incorporation of nanofluids, although significant progress in this area remains challenging. In...

M. Hazami, L. Hassini, S. Mnefgui · 0 citations
Open access Sep 2026

Techno-economic and environmental assessment of source-side and load-side PV/T-assisted ground source heat pump systems

Building heating consumes substantial energy and contributes significantly to global carbon emissions. Integrating photovoltaic/thermal (PV/T) modules with ground source heat pumps (GSHP) offers a promising sustainable solution, effectively addressing the soil thermal imbalance and low energy efficiency inherent in con...

Hai-Qin Yu, Hong-Shui Yu, Yan-Yan Zhang et al. · 0 citations
Conference Open access Aug 2026

Modelling Enhanced Air Conditioning System: Harnessing Waste Heat for Efficiency Optimization

Air conditioning systems are among the most energy-intensive components in both residential and automotive applications, contributing substantially to electricity demand, fuel consumption, and greenhouse gas emissions. This study proposes and numerically evaluates an enhanced vapor compression cycle that integrates two...

Prajwal Babu Wagle, Abhishek Karki, Sadixhya Pandey et al. · 0 citations

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