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Impact of low NOx strategies on holistic emission reduction from a CI engine over transient conditions (2020)
Journal Article
van Niekerk, A., Drew, B., Larsen, N., & Kay, P. (2021). Impact of low NOx strategies on holistic emission reduction from a CI engine over transient conditions. International Journal of Engine Research, 22(11), 3286-3299. https://doi.org/10.1177/1468087420973887

The use of biofuels to replace fossil fuels as well as more stringent emission regulations for internal combustion engines cause a challenge for the engine manufacturers to build engines that can cope with a wide range of fuels, but still offer low e... Read More about Impact of low NOx strategies on holistic emission reduction from a CI engine over transient conditions.

A holistic evaluation of the impact of UK renewable strategy on emissions from compression ignition engines (2020)
Journal Article
van Niekerk, A. S., & Kay, P. J. (2020). A holistic evaluation of the impact of UK renewable strategy on emissions from compression ignition engines. Fuel, 271, Article 117586. https://doi.org/10.1016/j.fuel.2020.117586

Reduction in fossil fuels, contributing to greenhouse gases, and improvement of air quality from vehicle emissions is of growing concern worldwide. This has led to the introduction of several binding and non-binding agreements, such as the Renewable... Read More about A holistic evaluation of the impact of UK renewable strategy on emissions from compression ignition engines.

Optimisation of low temperature combustion technology, for future drive cycles, using a factorial design of experiments (2019)
Conference Proceeding
Van Niekerk, A. S., Kay, P. J., Drew, B., & Larsen, N. (2019). Optimisation of low temperature combustion technology, for future drive cycles, using a factorial design of experiments.

Automotive manufacturers are facing increased pressure to meet more stringent emissions legislation and new legislative driving cycles. One technology that has the potential to meet future legislation is Low Temperature Combustion (LTC), which has th... Read More about Optimisation of low temperature combustion technology, for future drive cycles, using a factorial design of experiments.

Data set for influence of blends of diesel and renewable fuels on compression ignition engine emissions (2019)
Journal Article
Van Niekerk, A., Drew, B., Larsen, N., & Kay, P. (2020). Data set for influence of blends of diesel and renewable fuels on compression ignition engine emissions. Data in Brief, 28, Article 104836. https://doi.org/10.1016/j.dib.2019.104836

The present data article is based on the research work which investigates the influence of blends of diesel and renewable fuels on compression ignition engine emissions. In this experimental work, a 2.4 L, turbocharged, direct injection compression i... Read More about Data set for influence of blends of diesel and renewable fuels on compression ignition engine emissions.

Influence of blends of diesel and renewable fuels on compression ignition engine emissions over transient engine conditions (2019)
Journal Article
Van Niekerk, A., Drew, B., Larsen, N., & Kay, P. (2019). Influence of blends of diesel and renewable fuels on compression ignition engine emissions over transient engine conditions. Applied Energy, 255, Article 113890. https://doi.org/10.1016/j.apenergy.2019.113890

© 2019 Elsevier Ltd To reduce the amount of carbon dioxide released from transportation the EU has implemented legislation to mandate the renewable content of petrol and diesel fuels. However, due to the complexity of the combustion process the addit... Read More about Influence of blends of diesel and renewable fuels on compression ignition engine emissions over transient engine conditions.

Feasibility of Virtual Environments to Develop Future Driving Cycles (2018)
Conference Proceeding
Kay, P. J. (2018). Feasibility of Virtual Environments to Develop Future Driving Cycles. In SAE Technical Paper Series. https://doi.org/10.4271/2018-01-1816

© 2018 SAE International. All Rights Reserved. The current procedure for testing emissions from new vehicles, the World Harmonised Light Vehicle Test Procedure (WLTP), was introduced in September 2017. The WLTP was developed by collecting over 765,00... Read More about Feasibility of Virtual Environments to Develop Future Driving Cycles.

Development of multi-fidelity powertrain simulation for future legislation (abstract) (2017)
Presentation / Conference
Van Niekerk, A. S., Kay, P. J., Drew, B., & Larsen, N. (2017, December). Development of multi-fidelity powertrain simulation for future legislation (abstract). Paper presented at Internal Combustion Engines 2017, Birmingham

Automotive manufacturers are facing increased pressure from more stringent emissions legislation and new legislative driving cycles. This creates a need for increased simulation capabilities. An engine simulation was developed in Ricardo WAVE, and wa... Read More about Development of multi-fidelity powertrain simulation for future legislation (abstract).

Transient fuel spray impingement at atmospheric and elevated ambient conditions (2012)
Journal Article
Kay, P. J., Bowen, P. J., Gold, M. R., & Sapsford, S. M. (2012). Transient fuel spray impingement at atmospheric and elevated ambient conditions. Experiments in Fluids, 53(4), 873-890. https://doi.org/10.1007/s00348-012-1334-0

This study analyses detailed temporally resolved full flow field data for pre- and post-impingement fuel sprays under atmospheric and elevated ambient conditions. A comprehensive suite of diagnostic techniques is utilised comprising of phase-resolved... Read More about Transient fuel spray impingement at atmospheric and elevated ambient conditions.

Quantification of transient fuel films under elevated ambient pressure environments (2012)
Journal Article
Kay, P. J., Alonso, M., Kay, P. J., Bowen, P. J., Gilchrist, R., & Sapsford, S. M. (2012). Quantification of transient fuel films under elevated ambient pressure environments. Atomization and Sprays, 22(1), 79-95. https://doi.org/10.1615/AtomizSpr.2012004865

Impingement of fuel sprays on solid surfaces is of interest in a wide range of industrial applications including automotive, gas turbines, and process and hazard analysis. Consequently, accurate quantification of fuel films is necessary for model val... Read More about Quantification of transient fuel films under elevated ambient pressure environments.

Studies of gasoline direct-injection sprays at elevated ambient gas temperatures and pressures (2012)
Journal Article
Sapsford, S., Kay, P. J., Bowen, P. J., & Gold, M. (2012). Studies of gasoline direct-injection sprays at elevated ambient gas temperatures and pressures. Atomization and Sprays, 22(4), 305-331. https://doi.org/10.1615/AtomizSpr.2012005411

This paper studies the influence of ambient conditions on full flow-field, temporally resolved fuel spray characteristics. The gasoline sprays from a direct-injection (DI) injector are examined for varying ambient air densities, air temperature, and... Read More about Studies of gasoline direct-injection sprays at elevated ambient gas temperatures and pressures.