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Professor Tony Roskilly's Outputs (150)

Investigation of performance of free-piston engine generator with variable-scavenging-timing technology under unsteady operation condition (2021)
Journal Article
Cheng, Z., Jia, B., Xin, Z., Feng, H., Zuo, Z., Smallbone, A., & Roskilly, A. P. (2021). Investigation of performance of free-piston engine generator with variable-scavenging-timing technology under unsteady operation condition. Applied Thermal Engineering, 196, Article 117288. https://doi.org/10.1016/j.applthermaleng.2021.117288

A substantial number of free-piston engine generators still use cross scavenging, which limits scavenging quality and performance under unsteady condition. Variable-scavenging-timing technology is a novel method to change the fixed scavenging process... Read More about Investigation of performance of free-piston engine generator with variable-scavenging-timing technology under unsteady operation condition.

Parametric analysis of a semi-closed-loop linear joule engine generator using argon and oxy-hydrogen combustion (2021)
Journal Article
Ngwaka, U., Wu, D., Happian-Smith, J., Jia, B., Smallbone, A., Diyoke, C., & Roskilly, A. P. (2021). Parametric analysis of a semi-closed-loop linear joule engine generator using argon and oxy-hydrogen combustion. Energy, 217, Article 119357. https://doi.org/10.1016/j.energy.2020.119357

The paper introduces a novel semi-closed-loop Linear Joule Engine Generator (LJEG) using argon as the major working fluid and oxy-hydrogen combustion for heat addition. The linear compressor and expander in the LJEG apply double-acting piston configu... Read More about Parametric analysis of a semi-closed-loop linear joule engine generator using argon and oxy-hydrogen combustion.

Hydrogen production via ammonia from methane integrated with enhanced oil recovery: A techno-economic analysis (2021)
Journal Article
Gonzalez-Diaz, A., Jiang, L., Gonzalez-Diaz, M., Roskilly, A., & Smallbone, A. (2021). Hydrogen production via ammonia from methane integrated with enhanced oil recovery: A techno-economic analysis. Journal of Environmental Chemical Engineering, 9(2), Article 105050. https://doi.org/10.1016/j.jece.2021.105050

The paper aims to evaluate the hydrogen production from methane, transported as ammonia, and integrated with CO2 utilisation in terms of energy, carbon emission and economic analysis. The common alternative for CO2 utilisation i.e. enhanced oil recov... Read More about Hydrogen production via ammonia from methane integrated with enhanced oil recovery: A techno-economic analysis.

Effect of the stroke-to-bore ratio on the performance of a dual-piston free piston engine generator (2020)
Journal Article
Zhang, Z., Feng, H., Jia, B., Zuo, Z., Smallbone, A., & Roskilly, A. P. (2021). Effect of the stroke-to-bore ratio on the performance of a dual-piston free piston engine generator. Applied Thermal Engineering, 185, https://doi.org/10.1016/j.applthermaleng.2020.116456

The free piston engine generator (FPEG) is considered as one of the next generation efficient energy conversion device because of its compact structure, high geometric power ratio and low pollution. This paper investigated the effect of stroke-to-bor... Read More about Effect of the stroke-to-bore ratio on the performance of a dual-piston free piston engine generator.

Applications and technological challenges for heat recovery, storage and utilisation with latent thermal energy storage (2020)
Journal Article
Li, Z., Lu, Y., Huang, R., Chang, J., Yu, X., Jiang, R., Yu, X., & Roskilly, A. P. (2021). Applications and technological challenges for heat recovery, storage and utilisation with latent thermal energy storage. Applied Energy, 283, Article 116277. https://doi.org/10.1016/j.apenergy.2020.116277

Thermal energy storage (TES) technology is considered to have the greatest potential to balance the demand and supply overcoming the intermittency and fluctuation nature of real-world heat sources, making a more flexible, highly efficient and reliabl... Read More about Applications and technological challenges for heat recovery, storage and utilisation with latent thermal energy storage.

The development of a screen valve for reciprocating heat pump/engine applications (2020)
Journal Article
Ameen, M. T., Smallbone, A., Roskilly, A. P., & Carpenter, E. (2020). The development of a screen valve for reciprocating heat pump/engine applications. Journal of Renewable and Sustainable Energy, 12(5), https://doi.org/10.1063/5.0007960

A novel screen valve with rectilinear ports is presented for use in advanced high-efficiency compressors, expanders, heat pumps, or engines. The novel design aims to minimize the pumping losses generated as the working gas flows through the valve by... Read More about The development of a screen valve for reciprocating heat pump/engine applications.

Energy saving technologies and mass-thermal network optimization for decarbonized iron and steel industry: A review (2020)
Journal Article
Wang, R. Q., Jiang, L., Wang, Y. D., & Roskilly, A. P. (2020). Energy saving technologies and mass-thermal network optimization for decarbonized iron and steel industry: A review. Journal of Cleaner Production, 274, Article 122997. https://doi.org/10.1016/j.jclepro.2020.122997

The iron and steel industry relies significantly on primary energy, and is one of the largest energy consumers in the manufacturing sector. Simultaneously, numerous waste heat is lost and discharged directly into the environment in the process of ste... Read More about Energy saving technologies and mass-thermal network optimization for decarbonized iron and steel industry: A review.

PEF plastic synthesized from industrial carbon dioxide and biowaste (2020)
Journal Article
Jiang, L., Gonzalez-Diaz, A., Ling-Chin, J., Malik, A., Roskilly, A., & Smallbone, A. (2020). PEF plastic synthesized from industrial carbon dioxide and biowaste. Nature Sustainability, 3(9), 761-767. https://doi.org/10.1038/s41893-020-0549-y

Polyethylene furandicarboxylate (PEF) is considered as a renewable-based solution to its fossil-based counterpart polyethylene terephthalate (PET). However, due to its lengthy and energy-intensive production process, PEF has not been established at a... Read More about PEF plastic synthesized from industrial carbon dioxide and biowaste.

Evaluation of performance characteristics of a novel hydrogen-fuelled free-piston engine generator (2020)
Journal Article
Ngwaka, U., Smallbone, A., Jia, B., Lawrence, C., Towell, B., Roy, S., Kv, S., & Roskilly, A. P. (2021). Evaluation of performance characteristics of a novel hydrogen-fuelled free-piston engine generator. International Journal of Hydrogen Energy, 46(66), 33314-33324. https://doi.org/10.1016/j.ijhydene.2020.02.072

In this work, we present the experimental results obtained from hydrogen fuelled spark-ignited dual piston free-piston engine generator (FPEG) prototype operated in two-stroke and four-stroke mode. The FPEG testing was successfully conducted at 3.7 c... Read More about Evaluation of performance characteristics of a novel hydrogen-fuelled free-piston engine generator.

The development and testing of a free-piston engine generator for hybrid electric vehicle applications (2020)
Book Chapter
Smallbone, A., Roy, S., Shivaprasad, K., Jia, B., & Roskilly, A. P. (2020). The development and testing of a free-piston engine generator for hybrid electric vehicle applications. In Internal Combustion Engines and Powertrain Systems for Future Transport 2019 (45-60). Taylor and Francis

In this work, we present some of the first experimental results along with simulation results obtained in developing and testing a novel dual-piston free-piston engine generator (FPEG), designed for electric- vehicle (EV) range-extender or hybrid pow... Read More about The development and testing of a free-piston engine generator for hybrid electric vehicle applications.

Electricity-assisted thermochemical sorption system for seasonal solar energy storage (2020)
Journal Article
Ma, Z., Bao, H., & Roskilly, A. P. (2020). Electricity-assisted thermochemical sorption system for seasonal solar energy storage. Energy Conversion and Management, 209, Article 112659. https://doi.org/10.1016/j.enconman.2020.112659

The present paper investigated the seasonal solar thermal energy storage (SSTES) using solid-gas thermochemical sorption technology that has inherently combined function of heat pump and energy storage. The thermochemical reactions that can discharge... Read More about Electricity-assisted thermochemical sorption system for seasonal solar energy storage.

The impact of disruptive powertrain technologies on energy consumption and carbon dioxide emissions from heavy-duty vehicles (2020)
Journal Article
Smallbone, A., Jia, B., Atkins, P., & Roskilly, A. P. (2020). The impact of disruptive powertrain technologies on energy consumption and carbon dioxide emissions from heavy-duty vehicles. Energy Conversion and Management: X, 6, Article 100030. https://doi.org/10.1016/j.ecmx.2020.100030

Minimising tailpipe emissions and the decarbonisation of transport in a cost effective way remains a major objective for policymakers and vehicle manufacturers. Current trends are rapidly evolving but appear to be moving towards solutions in which ve... Read More about The impact of disruptive powertrain technologies on energy consumption and carbon dioxide emissions from heavy-duty vehicles.

Comparative analysis on temperature swing adsorption cycle for carbon capture by using internal heat/mass recovery (2020)
Journal Article
Jiang, L., Wang, R., Gonzalez-Diaz, A., Smallbone, A., Lamidi, R., & Roskilly, A. (2020). Comparative analysis on temperature swing adsorption cycle for carbon capture by using internal heat/mass recovery. Applied Thermal Engineering, 169, Article 114973. https://doi.org/10.1016/j.applthermaleng.2020.114973

Due to relatively high energy consumption of absorption technology, adsorption carbon dioxide capture is gathering the momentum in recent years. This paper aims to further improve the thermal performance of a 4-step temperature swing adsorption cycle... Read More about Comparative analysis on temperature swing adsorption cycle for carbon capture by using internal heat/mass recovery.

The potential of decarbonising rice and wheat by incorporating carbon capture, utilisation and storage into fertiliser production (2020)
Journal Article
Gonzalez Diaz, A., Jiang, L., Roskilly, A. P., & Smallbone, A. J. (2020). The potential of decarbonising rice and wheat by incorporating carbon capture, utilisation and storage into fertiliser production. Green Chemistry, 22(3), 882-894. https://doi.org/10.1039/c9gc03746b

This paper aims to evaluate the reduction on greenhouse gas emissions in rice and wheat and their supply chains by incorporating carbon capture, utilisation, and storage into fertiliser production mainly from ammonia process, which is the section of... Read More about The potential of decarbonising rice and wheat by incorporating carbon capture, utilisation and storage into fertiliser production.

A review of the current automotive manufacturing practice from an energy perspective (2019)
Journal Article
Giampieri, A., Ling-Chin, J., Ma, Z., Smallbone, A., & Roskilly, A. (2020). A review of the current automotive manufacturing practice from an energy perspective. Applied Energy, 261, Article 114074. https://doi.org/10.1016/j.apenergy.2019.114074

The automotive industry is facing on-going challenges to improve the sustainability of its manufacturing processes and vehicle emissions due to economic, environmental, marketability and policy concerns. This review aims to evaluate steps that could... Read More about A review of the current automotive manufacturing practice from an energy perspective.

Techno-economic analysis of the thermal energy saving options for high-voltage direct current interconnectors (2019)
Journal Article
Giampieri, A., Ma, Z., Chin, J. L., Smallbone, A., Lyons, P., Khan, I., Hemphill, S., Roskilly, A. P., & Bao, H. (2019). Techno-economic analysis of the thermal energy saving options for high-voltage direct current interconnectors. Applied Energy, 247, 60-77. https://doi.org/10.1016/j.apenergy.2019.04.003

High-voltage direct current interconnection stations are increasingly used for long-distance electricity transport worldwide, due to efficiency and economic reasons. The identification and evaluation of cost-effective waste heat sources appropriate f... Read More about Techno-economic analysis of the thermal energy saving options for high-voltage direct current interconnectors.

Energy Recovery from Brewery Waste: experimental and modelling perspectives (2019)
Presentation / Conference Contribution
Siqueiros, E., Lamidi, R. O., Pathare, P. B., Wang, Y., & Roskilly, A. (2018, October). Energy Recovery from Brewery Waste: experimental and modelling perspectives. Presented at 2nd International Conference on Sustainable Energy and Resource Use in Food Chains, ICSEF 201, Paphos, Cyprus

Food and drink processing industries are extremely large consumers of thermal energy as well as bio-wastes producers. The utilisation of bio-wastes for energy recovery appears to be a good opportunity to improve the overall efficiency of process indu... Read More about Energy Recovery from Brewery Waste: experimental and modelling perspectives.