Professor Andrew Smallbone's Outputs (102)

Experimental and numerical investigation to optimise liquid desiccant system for advanced air conditioning (2025)
Journal Article
Shivaprasad, K. V., Roy, S., Giampieri, A., Smallbone, A., & Roskilly, A. P. (2025). Experimental and numerical investigation to optimise liquid desiccant system for advanced air conditioning. Scientific Reports, 15, Article 7151. https://doi.org/10.1038/s41598-025-88738-2

This study aims to experimentally demonstrate a liquid desiccant systems effectiveness by using thermo-chemical fluid, such as aqueous solution of calcium chloride. This study evaluated the effect of operating temperatures on air properties (temperat... Read More about Experimental and numerical investigation to optimise liquid desiccant system for advanced air conditioning.

Investigation of the operating characteristics of a free-piston closed-cycle Joule engine generator with helium as working fluid (2025)
Journal Article
Wang, B., Zhu, S., Ngwaka, U., Jia, B., Vijayalakshmi Shivaprasad, K., Wang, Y., Smallbone, A., Paul Roskilly, A., & Luo, E. (2025). Investigation of the operating characteristics of a free-piston closed-cycle Joule engine generator with helium as working fluid. Energy Conversion and Management: X, 26, Article 100909. https://doi.org/10.1016/j.ecmx.2025.100909

As an emerging micro- or small-scale energy conversion technology, linear Joule engine generators (LJEGs) combine the advantages of external combustion engines and linear generators, feature the advantages of high thermal-to-electrical efficiency, mu... Read More about Investigation of the operating characteristics of a free-piston closed-cycle Joule engine generator with helium as working fluid.

A preliminary experimental study on a free-piston engine generator prototype (2025)
Presentation / Conference Contribution
Zhu, S., Vijayalakshmi, S., Ngwaka, U., Roy, S., Williams, R., Smallbone, A., & Roskilly, A. P. (2024, September). A preliminary experimental study on a free-piston engine generator prototype. Presented at Energy Proceedings, Niigata, Japan

As an emerging micro- or small-scale energy conversion technology, free-piston engine generator (FPEG) features the advantages of high efficiency, high volumetric power density, and multi-fuel adaptability potential. To solve the issues that the prev... Read More about A preliminary experimental study on a free-piston engine generator prototype.

Hybrid renewable energy systems for sustainable power supply in remote location: Techno-economic and environmental assessment (2024)
Journal Article
Roy, D., Wang, R., Roy, S., Smallbone, A., & Roskilly, A. P. (2024). Hybrid renewable energy systems for sustainable power supply in remote location: Techno-economic and environmental assessment. Energy Conversion and Management: X, 24, Article 100793. https://doi.org/10.1016/j.ecmx.2024.100793

Electricity supply is inconsistent and unreliable in many remote areas of India, where depending solely on a single renewable energy source is impractical. In this context, this study investigates the potential of off-grid hybrid renewable energy sys... Read More about Hybrid renewable energy systems for sustainable power supply in remote location: Techno-economic and environmental assessment.

Technoeconomic and environmental performance assessment of solid oxide fuel cell-based cogeneration system configurations (2024)
Journal Article
Roy, D., Samanta, S., Roy, S., Smallbone, A., & Roskilly, A. P. (2024). Technoeconomic and environmental performance assessment of solid oxide fuel cell-based cogeneration system configurations. Energy, 310, Article 133145. https://doi.org/10.1016/j.energy.2024.133145

In this study, an innovative energy solution to fulfil the electricity and heating needs of a mixed community, including residences, a commercial building, and a small brewery has been investigated. The primary objective is to comprehensively analyse... Read More about Technoeconomic and environmental performance assessment of solid oxide fuel cell-based cogeneration system configurations.

Research and innovation identified to decarbonise the maritime sector (2024)
Journal Article
Ling-Chin, J., Simpson, R., Cairns, A., Wu, D., Xie, Y., Song, D., …Roskilly, A. P. (2024). Research and innovation identified to decarbonise the maritime sector. Green Energy and Sustainability, 4(1), 1-14. https://doi.org/10.47248/ges2404010001

The maritime sector requires technically, environmentally, socially,
and economically informed pathways to decarbonise and eliminate
all emissions harmful to the environment and health. This is
extremely challenging and complex, and a wide rang... Read More about Research and innovation identified to decarbonise the maritime sector.

Techno-economic analysis of solid oxide fuel cell-based energy systems for decarbonising residential power and heat in the United Kingdom (2024)
Journal Article
Roy, D., Samanta, S., Roy, S., Smallbone, A., & Roskilly, A. P. (2024). Techno-economic analysis of solid oxide fuel cell-based energy systems for decarbonising residential power and heat in the United Kingdom. Green Chemistry, 26(7), 3979-3994. https://doi.org/10.1039/d3gc02645k

This study examines the feasibility of using hydrogen as a clean energy source for residential consumers in the UK through a low-carbon energy hub. Two cases were compared: a solid oxide fuel cell (SOFC) integrated combined heat and power (CHP) syste... Read More about Techno-economic analysis of solid oxide fuel cell-based energy systems for decarbonising residential power and heat in the United Kingdom.

Assessing the techno-economic viability of a trigeneration system integrating ammonia-fuelled solid oxide fuel cell (2023)
Journal Article
Roy, D., Roy, S., Smallbone, A., & Roskilly, A. P. (2023). Assessing the techno-economic viability of a trigeneration system integrating ammonia-fuelled solid oxide fuel cell. Applied Energy, 357, Article 122463. https://doi.org/10.1016/j.apenergy.2023.122463

In recent years, ammonia has gained traction as a clean fuel alternative and a promising energy carrier. In this study, a trigeneration system fuelled by ammonia has been conceptualised, integrating a solid oxide fuel cell stack for power generation,... Read More about Assessing the techno-economic viability of a trigeneration system integrating ammonia-fuelled solid oxide fuel cell.

Operating characteristics and design parameter optimization of permanent magnet linear generator applied to free-piston energy converter (2023)
Journal Article
Li, J., Zuo, Z., Jia, B., Feng, H., Mei, B., Smallbone, A., & Roskilly, A. P. (2024). Operating characteristics and design parameter optimization of permanent magnet linear generator applied to free-piston energy converter. Energy, 287, Article 129687. https://doi.org/10.1016/j.energy.2023.129687

A tubular permanent magnet linear generator (PMLG) with axial magnetized is proposed for the free-piston engine generator (FPEG). The structures and test rigs of the PMLG and FPEG prototypes are introduced. The working characteristics of the PMLG in... Read More about Operating characteristics and design parameter optimization of permanent magnet linear generator applied to free-piston energy converter.

Industrial cluster energy systems integration and management tool (2023)
Journal Article
Ngwaka, U., Khalid, Y., Ling-Chin, J., Counsell, J., Siddiqui, F., Pinedo-Cuenca, R., …Roskilly, A. P. (2023). Industrial cluster energy systems integration and management tool. Energy Conversion and Management, 297, 117731. https://doi.org/10.1016/j.enconman.2023.117731

Critical for achieving the United Kingdom's net-zero targets, decarbonising industrial clusters would require robust tools to assess the feasibility of decarbonisation technologies and investment solutions. This paper presents an integrated energy sy... Read More about Industrial cluster energy systems integration and management tool.

Modelling of hydrogen blending into the UK natural gas network driven by a solid oxide fuel cell for electricity and district heating system (2023)
Journal Article
Samanta, S., Roy, D., Roy, S., Smallbone, A., & Roskilly, A. P. (2024). Modelling of hydrogen blending into the UK natural gas network driven by a solid oxide fuel cell for electricity and district heating system. Fuel, 355, Article 129411. https://doi.org/10.1016/j.fuel.2023.129411

A thorough investigation of the thermodynamics and economic performance of a cogeneration system based on solid oxide fuel cells that provides heat and power to homes has been carried out in this study. Additionally, different percentages of green hy... Read More about Modelling of hydrogen blending into the UK natural gas network driven by a solid oxide fuel cell for electricity and district heating system.

Evaluation of decarbonisation options for heritage church buildings (2023)
Journal Article
Khalid, Y., Ngwaka, U., Papworth, J., Ling-Chin, J., & Smallbone, A. (2023). Evaluation of decarbonisation options for heritage church buildings. Journal of Building Engineering, 77, Article 107462. https://doi.org/10.1016/j.jobe.2023.107462

Heritage church buildings are significant energy consumers and carbon emitters, but hard to decarbonise due to construction materials and designs, which presents an imperative challenge for churches that have a mission to achieve net-zero targets by... Read More about Evaluation of decarbonisation options for heritage church buildings.

Multi-objective optimisation of a power generation system integrating solid oxide fuel cell and recuperated supercritical carbon dioxide cycle (2023)
Journal Article
Roy, D., Samanta, S., Roy, S., Smallbone, A., & Roskilly, A. P. (2023). Multi-objective optimisation of a power generation system integrating solid oxide fuel cell and recuperated supercritical carbon dioxide cycle. Energy, 281, Article 128158. https://doi.org/10.1016/j.energy.2023.128158

This article presents an advanced power generation system that integrates a solid oxide fuel cell (SOFC) module with a recuperated supercritical CO2 (s-CO2) cycle. The waste heat generated by the exhaust of the SOFC module is utilised to drive the s-... Read More about Multi-objective optimisation of a power generation system integrating solid oxide fuel cell and recuperated supercritical carbon dioxide cycle.

Techno-economic analysis of large-scale green hydrogen production and storage (2023)
Journal Article
Villarreal Vives, A. M., Wang, R., Roy, S., & Smallbone, A. (2023). Techno-economic analysis of large-scale green hydrogen production and storage. Applied Energy, 346, Article 121333. https://doi.org/10.1016/j.apenergy.2023.121333

Producing clean energy and minimising energy waste are essential to achieve the United Nations sustainable development goals such as Sustainable Development Goal 7 and 13. This research analyses the techno-economic potential of waste heat recovery fr... Read More about Techno-economic analysis of large-scale green hydrogen production and storage.

Technology roadmap for hydrogen-fuelled transportation in the UK (2023)
Journal Article
Ling-Chin, J., Giampieri, A., Wilks, M., Lau, S. W., Bacon, E., Sheppard, I., Smallbone, A. J., & Roskilly, A. P. (2024). Technology roadmap for hydrogen-fuelled transportation in the UK. International Journal of Hydrogen Energy, 52(Part B), 705-733. https://doi.org/10.1016/j.ijhydene.2023.04.131

Transportation is the sector responsible for the largest greenhouse gas emission in the UK. To mitigate its impact on the environment and move towards net-zero emissions by 2050,hydrogen-fuelled transportation has been explored through research and d... Read More about Technology roadmap for hydrogen-fuelled transportation in the UK.

Techno-economic analysis of a fuel-cell driven integrated energy hub for decarbonising transportation (2023)
Journal Article
Samanta, S., Roy, D., Roy, S., Smallbone, A., & Roskilly, A. P. (2023). Techno-economic analysis of a fuel-cell driven integrated energy hub for decarbonising transportation. Renewable and Sustainable Energy Reviews, 179, Article 113278. https://doi.org/10.1016/j.rser.2023.113278

In this study an advanced integrated multigeneration energy hub is conceptualized combining solid oxide fuel cell (SOFC), molten carbonate fuel cell (MCFC), proton exchange membrane (PEM) electrolyser and methanol production unit. Using natural gas a... Read More about Techno-economic analysis of a fuel-cell driven integrated energy hub for decarbonising transportation.

Experimental study and analysis of a novel layered packed-bed for thermal energy storage applications: A proof of concept (2023)
Journal Article
Ameen, M. T., Ma, Z., Smallbone, A., Norman, R., & Roskilly, A. P. (2023). Experimental study and analysis of a novel layered packed-bed for thermal energy storage applications: A proof of concept. Energy Conversion and Management, 277, https://doi.org/10.1016/j.enconman.2022.116648

This paper presents a study carried out as part of commissioning and testing of world’s first grid-scale 150 kWe Pumped Heat Energy Storage (PHES) demonstration system. The system employs two novel layered packed-bed thermal stores. The present study... Read More about Experimental study and analysis of a novel layered packed-bed for thermal energy storage applications: A proof of concept.

Demonstration system of pumped heat energy storage (PHES) and its round-trip efficiency (2023)
Journal Article
Ameen, M. T., Ma, Z., Smallbone, A., Norman, R., & Roskilly, A. P. (2023). Demonstration system of pumped heat energy storage (PHES) and its round-trip efficiency. Applied Energy, 333, https://doi.org/10.1016/j.apenergy.2022.120580

Among the known energy storage technologies aiming to increase the efficiency and stability of power grids, Pumped Heat Energy Storage (PHES) is considered by many as a promising candidate because of its flexibility, potential for scale-up and low co... Read More about Demonstration system of pumped heat energy storage (PHES) and its round-trip efficiency.

Fuel cell integrated carbon negative power generation from biomass (2022)
Journal Article
Roy, D., Samanta, S., Roy, S., Smallbone, A., & Roskilly, A. P. (2023). Fuel cell integrated carbon negative power generation from biomass. Applied Energy, 331, Article 120449. https://doi.org/10.1016/j.apenergy.2022.120449

Combining biomass-fuelled power plant with carbon capture and storage allows CO2 to be removed from the atmosphere, considering biomass a carbon–neutral fuel. In the present study, a biomass-based CO2 negative system has been proposed, which combines... Read More about Fuel cell integrated carbon negative power generation from biomass.

An integrated smart thermo-chemical energy network (2022)
Journal Article
Giampieri, A., Roy, S., Shivaprasad, K., Smallbone, A., & Roskilly, A. (2022). An integrated smart thermo-chemical energy network. Renewable and Sustainable Energy Reviews, 168, Article 112869. https://doi.org/10.1016/j.rser.2022.112869

Managing the intermittency of renewable sources together with transient (hourly to daily to seasonal) energy demands is one of the principal challenges of delivering a net-zero energy system. Smart multifunctional thermo-chemical energy networks repr... Read More about An integrated smart thermo-chemical energy network.