Professor Tony Roskilly's Outputs (150)

Techno-economic assessment of offshore wind-to-hydrogen scenarios: A UK case study (2023)
Journal Article
Giampieri, A., Ling-Chin, J., & Roskilly, A. P. (2024). Techno-economic assessment of offshore wind-to-hydrogen scenarios: A UK case study. International Journal of Hydrogen Energy, 52(Part B), 589-617. https://doi.org/10.1016/j.ijhydene.2023.01.346

The installed capacity, electricity generation from wind, and the curtailment of wind power in the UK between 2011 and 2021 showed that penetration levels of wind energy and the amount of energy that is curtailed in future would continue to rise wher... Read More about Techno-economic assessment of offshore wind-to-hydrogen scenarios: A UK case study.

Numerical Investigation on NOx Emission of a Hydrogen-Fuelled Dual-Cylinder Free-Piston Engine (2023)
Journal Article
Li, C., Wang, Y., Jia, B., Zhang, Z., & Roskilly, A. (2023). Numerical Investigation on NOx Emission of a Hydrogen-Fuelled Dual-Cylinder Free-Piston Engine. Applied Sciences, 13(3), Article 1410. https://doi.org/10.3390/app13031410

The free-piston engine is a type of none-crank engine that could be operated under variable compression ratio, and this provides it flexible fuel applicability and low engine emission potential. In this work, several 1-D engine models, including conv... Read More about Numerical Investigation on NOx Emission of a Hydrogen-Fuelled Dual-Cylinder Free-Piston Engine.

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.

Experimentally Validated Modelling of an Oscillating Diaphragm Compressor for Chemisorption Energy Technology Applications (2023)
Journal Article
Najjaran, A., Meibodi, S., Ma, Z., Bao, H., & Roskilly, T. (2023). Experimentally Validated Modelling of an Oscillating Diaphragm Compressor for Chemisorption Energy Technology Applications. Energies, 16(1), Article 489. https://doi.org/10.3390/en16010489

This study presents a detailed dynamic modelling and generic simulation method of an oscillating diaphragm compressor for chemisorption energy technology applications. The geometric models of the compressor were developed step by step, including the... Read More about Experimentally Validated Modelling of an Oscillating Diaphragm Compressor for Chemisorption Energy Technology Applications.

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.

Experimental Study of LiCl/LiBr-Zeolite Composite Adsorbent for Thermochemical Heat Storage (2022)
Journal Article
Chen, D., Chen, X., Ma, Z., Wang, Y., Roskilly, A. P., & Zhou, J. (2022). Experimental Study of LiCl/LiBr-Zeolite Composite Adsorbent for Thermochemical Heat Storage. Buildings, 12(11), Article 2001. https://doi.org/10.3390/buildings12112001

Adsorption-based thermochemical heat storage is a promising long-term energy storage technology that can be used for seasonal space heating, which has received significant amount of efforts on the research and development. In this paper, the heat sto... Read More about Experimental Study of LiCl/LiBr-Zeolite Composite Adsorbent for Thermochemical Heat Storage.

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.

Compressor-assisted thermochemical sorption integrated with solar photovoltaic-thermal collector for seasonal solar thermal energy storage (2022)
Journal Article
Thinsurat, K., Ma, Z., Roskilly, A. P., & Bao, H. (2022). Compressor-assisted thermochemical sorption integrated with solar photovoltaic-thermal collector for seasonal solar thermal energy storage. Energy Conversion and Management: X, 15, Article 100248. https://doi.org/10.1016/j.ecmx.2022.100248

This paper studied the performance of a compressor-assisted thermochemical sorption energy storage (CATSES) system with a solar photovoltaic-thermal collector (PV/T) to support the domestic space and hot water heating. The heat from the PV/T drives e... Read More about Compressor-assisted thermochemical sorption integrated with solar photovoltaic-thermal collector for seasonal solar thermal energy storage.

The real-time interaction model for transient mode investigations of a dual-piston free-piston engine generator (2022)
Journal Article
Razali Hanipah, M., Mikalsen, R., & Roskilly, A. (2022). The real-time interaction model for transient mode investigations of a dual-piston free-piston engine generator. Applied Thermal Engineering, 212, Article 118629. https://doi.org/10.1016/j.applthermaleng.2022.118629

A free-piston engine generator is being developed worldwide as a novel means of electrical power generator for light vehicle application, which can provide a complementary solution towards reducing carbon dioxide emissions of road vehicles in general... Read More about The real-time interaction model for transient mode investigations of a dual-piston free-piston engine generator.

A techno-economic evaluation of low-grade excess heat recovery and liquid desiccant-based temperature and humidity control in automotive paint shops (2022)
Journal Article
Giampieri, A., Ma, Z., Ling-Chin, J., Smallbone, A. J., & Roskilly, A. P. (2022). A techno-economic evaluation of low-grade excess heat recovery and liquid desiccant-based temperature and humidity control in automotive paint shops. Energy Conversion and Management, 261, Article 115654. https://doi.org/10.1016/j.enconman.2022.115654

The paint shop is the most energy-intensive process in an automotive manufacturing plant, with air management systems that supply air to paint booths consuming the most energy. These systems are crucial for temperature and humidity control, in which... Read More about A techno-economic evaluation of low-grade excess heat recovery and liquid desiccant-based temperature and humidity control in automotive paint shops.

Spray and engine performance of cerium oxide nanopowder and carbon nanotubes modified alternative fuel (2022)
Journal Article
Zhang, Z., Lu, Y., Qian, Z., & Paul Roskilly, A. (2022). Spray and engine performance of cerium oxide nanopowder and carbon nanotubes modified alternative fuel. Fuel, 320, https://doi.org/10.1016/j.fuel.2022.123952

This work aims to experimentally investigate and demonstrate the impacts of using Cerium Oxide (CeO2) and multi-wall carbon nanotube (CNT) blended with the alternative fuel, which is gas-to-liquid fuel (GTL) in this study, compared to diesel fuel (DF... Read More about Spray and engine performance of cerium oxide nanopowder and carbon nanotubes modified alternative fuel.

Liquid Desiccant Dehumidification and Regeneration Process: Advancing Correlations for Moisture and Enthalpy Effectiveness (2022)
Journal Article
Giampieri, A., Ma, Z., Ling-Chin, J., Bao, H., Smallbone, A. J., & Roskilly, A. P. (2022). Liquid Desiccant Dehumidification and Regeneration Process: Advancing Correlations for Moisture and Enthalpy Effectiveness. Applied Energy, 314, Article 118962. https://doi.org/10.1016/j.apenergy.2022.118962

The paper developed correlations for predicting moisture and enthalpy effectiveness of the liquid desiccant dehumidification and regeneration process. Experimental dehumidification and regeneration data available from the literature with different sy... Read More about Liquid Desiccant Dehumidification and Regeneration Process: Advancing Correlations for Moisture and Enthalpy Effectiveness.

Operation and performance of Brayton Pumped Thermal Energy Storage with additional latent storage (2022)
Journal Article
Albert, M., Ma, Z., Bao, H., & Roskilly, A. P. (2022). Operation and performance of Brayton Pumped Thermal Energy Storage with additional latent storage. Applied Energy, 312, Article 118700. https://doi.org/10.1016/j.apenergy.2022.118700

Pumped Thermal Energy Storage (PTES) is an increasingly attractive area of research due to its multidimensional advantages over other grid scale electricity storage technologies. This paper built a model and numerically studied the performance of an... Read More about Operation and performance of Brayton Pumped Thermal Energy Storage with additional latent storage.

An overview of solutions for airborne viral transmission reduction related to HVAC systems including liquid desiccant air-scrubbing (2022)
Journal Article
Giampieri, A., Ma, Z., Ling-Chin, J., Roskilly, A., & Smallbone, A. (2022). An overview of solutions for airborne viral transmission reduction related to HVAC systems including liquid desiccant air-scrubbing. Energy, 244(Part A), Article 122709. https://doi.org/10.1016/j.energy.2021.122709

The spread of the coronavirus SARS-CoV-2 affects the health of people and the economy worldwide. As air transmits the virus, heating, ventilation and air-conditioning (HVAC) systems in buildings, enclosed spaces and public transport play a significan... Read More about An overview of solutions for airborne viral transmission reduction related to HVAC systems including liquid desiccant air-scrubbing.

The techno-economics potential of hydrogen interconnectors for electrical energy transmission and storage (2022)
Journal Article
Patel, M., Roy, S., Roskilly, A. P., & Smallbone, A. (2022). The techno-economics potential of hydrogen interconnectors for electrical energy transmission and storage. Journal of Cleaner Production, 335, Article 130045. https://doi.org/10.1016/j.jclepro.2021.130045

This research introduces a ‘Hydrogen Interconnector System’ (HIS) as a novel method for transporting electrical energy over long distances. The system takes electricity from stranded renewable energy assets, converts it to hydrogen in an electrolyser... Read More about The techno-economics potential of hydrogen interconnectors for electrical energy transmission and storage.

Identification and analysis on the variation sources of a dual-cylinder free piston engine generator and their influence on system operating characteristics (2021)
Journal Article
Zhang, Z., Feng, H., Jia, B., Zuo, Z., Yan, X., Smallbone, A., & Roskilly, A. P. (2022). Identification and analysis on the variation sources of a dual-cylinder free piston engine generator and their influence on system operating characteristics. Energy, 242, Article 123001. https://doi.org/10.1016/j.energy.2021.123001

Stable combustion is a huge challenge for dual-cylinder free-piston engine generator (FPEG). Combustion variations are easy to occur, because the piston movement is only affected by the forces acting on the moving parts, and there is no mechanical st... Read More about Identification and analysis on the variation sources of a dual-cylinder free piston engine generator and their influence on system operating characteristics.

A combined heat and green hydrogen (CHH) generator integrated with a heat network (2021)
Journal Article
Burrin, D., Roy, S., Roskilly, A. P., & Smallbone, A. (2021). A combined heat and green hydrogen (CHH) generator integrated with a heat network. Energy Conversion and Management, 246, Article 114686. https://doi.org/10.1016/j.enconman.2021.114686

Combined heat and power (CHP) systems offer high energy efficiencies as they utilise both the electricity generated and any excess heat by co-suppling to local consumers. This work presents the potential of a combined heat and hydrogen (CHH) system,... Read More about A combined heat and green hydrogen (CHH) generator integrated with a heat network.

Biodiesel: Emissions and Control, Challenges, Potential and Prospects (2021)
Book Chapter
Roy, S., Ling-Chin, J., Bohl, T., Giampieri, A., Smallbone, A., & Roskilly, A. P. (2021). Biodiesel: Emissions and Control, Challenges, Potential and Prospects. In T. Letcher (Ed.), Comprehensive Renewable Energy. (2nd ed.). Elsevier. https://doi.org/10.1016/b978-0-12-819727-1.00063-7

Engine manufacturers contemplate adapting technical modifications, exhaust after-treatment options and a shift towards novel combustion concepts. The present study establishes a platform to portray the performance-emission-stability responses of a di... Read More about Biodiesel: Emissions and Control, Challenges, Potential and Prospects.

The performance and efficiency of novel oxy-hydrogen-argon gas power cycles for zero emission power generation (2021)
Journal Article
Hodgson, M., Roy, S., Roskilly, A. P., & Smallbone, A. (2021). The performance and efficiency of novel oxy-hydrogen-argon gas power cycles for zero emission power generation. Energy Conversion and Management, 244, Article 114510. https://doi.org/10.1016/j.enconman.2021.114510

This study investigates the performance and efficiency of closed-loop oxy-hydrogen Brayton power cycles through numerical modelling and simulation. Coupled with storage hydrogen and oxygen produced by a water-electrolysis system, these cycles have th... Read More about The performance and efficiency of novel oxy-hydrogen-argon gas power cycles for zero emission power generation.