Dr Daniel Pugh

2024

• Pugh, D. et al. 2024. Influence of variable swirl on emissions in a non-premixed fuel-flexible burner at elevated ambient conditions. Journal of Engineering for Gas Turbines and Power 146(6), article number: 61006. (10.1115/1.4063786)

2023

• Alnasif, A., Mashruk, S., Shi, H., Alnajideen, M., Wang, P., Pugh, D. and Valera-Medina, A. 2023. Evolution of ammonia reaction mechanisms and modeling parameters: A review. Applications in Energy and Combustion Science 15, article number: 100175. (10.1016/j.jaecs.2023.100175)
• Pugh, D. et al. 2023. Influence of variable swirl on emissions in a non-premixed fuel-flexible burner at elevated ambient conditions. Presented at: ASME Turbo Expo 2023: Turbomachinery Technical Conference and Exposition, 26-30 June 2023ASME Turbo Expo 2023: Turbomachinery Technical Conference and Exposition: Combustion, Fuels, and Emissions, Vol. 3A. ASME, (10.1115/GT2023-102457)
• Mashruk, S. et al. 2023. Numerical analysis on the evolution of NH2 in ammonia/hydrogen swirling flames and detailed sensitivity analysis under elevated conditions. Combustion Science and Technology 195(6), pp. 1251-1278. (10.1080/00102202.2021.1990897)

2022

• Valera Medina, A., Mashruk, S., Pugh, D. and Bowen, P. 2022. Ammonia. In: O'Connor, J., Noble, B. and Lieuwen, T. eds. Renewable Fuels: Sources, Conversion, and Utilization. Cambridge University Press, pp. 245-274., (10.1017/9781009072366.011)
• Mashruk, S., Okafor, E., Kovaleva, M., Alnasif, A., Pugh, D., Hayakawa, A. and Valera Medina, A. 2022. Evolution of N2O production at lean combustion condition in NH3/H2/air premixed swirling flames. Combustion and Flame 244, article number: 112299. (10.1016/j.combustflame.2022.112299)
• Harper, J., Durand, E., Bowen, P., Pugh, D., Johnson, M. and Crayford, A. 2022. Influence of alternative fuel properties and combustor operating conditions on the nvPM and gaseous emissions produced by a small-scale RQL combustor. Fuel 315, article number: 123045. (10.1016/j.fuel.2021.123045)
• Zitouni, S., Pugh, D., Crayford, A., Bowen, P. J. and Runyon, J. 2022. Lewis number effects on lean premixed combustion characteristics of multi-component fuel blends. Combustion and Flame 238, article number: 111932. (10.1016/j.combustflame.2021.111932)

2021

• Pugh, D. et al. 2021. Emissions performance of staged premixed and diffusion combustor concepts for an NH3/air flame with and without reactant humidification. Journal of Engineering for Gas Turbines and Power 143(5), article number: 51012. (10.1115/1.4049451)
• Giles, A., Williams, C., Pugh, D., Bowen, P., Marsh, R. and O'Doherty, T. 2021. A waste heat recovery strategy and its deployment: an integrated steelworks case study. Proceedings of the ICE - Waste and Resource Management 174(1), pp. 3-11. (10.1680/jwarm.20.00011)
• Pugh, D. et al. 2021. Emissions performance of staged premixed and diffusion combustor concepts for an NH3/air flame with and without reactant humidification. Presented at: ASME Turbo Expo 2020: Turbomachinery Technical Conference & Exposition, Virtual, 21-25 September 2020ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition, Vol. 4A. ASME, (10.1115/GT2020-14953)
• Runyon, J., Pugh, D., Giles, A., Goktepe, B., Bowen, P., Marsh, R. and Morris, S. 2021. Experimental and kinetic evaluation of pressurized lean premixed hydrogen-air flame stability with carbon dioxide and steam dilution. Presented at: ASME Turbo Expo 2020: Turbomachinery Technical Conference & Exposition, Virtual, 21-25 September 2020Proceedings of ASME Turbo Expo 2020Turbomachinery Technical Conference and Exposition, Vol. 4B. ASME, (10.1115/GT2020-16083)
• Hewlett, S. G., Pugh, D. G., Valera-Medina, A., Giles, A., Runyon, J., Goktepe, B. and Bowen, P. 2021. Industrial wastewater as an enabler of green ammonia to power via gas turbine technology. Presented at: Turbomachinery Technical Conference & Exposition (TURBO EXPO 2020), Virtual, 21-25 September 2020Proceedings of ASME Turbo Expo 2020 Turbomachinery Technical Conference and Exposition. ASME pp. GT2020-14581., (10.1115/GT2020-14581)
• Pugh, D. et al. 2021. An investigation of ammonia primary flame combustor concepts for emissions reduction with OH*, NH2* and NH* chemiluminescence at elevated conditions. Proceedings of the Combustion Institute 38(4), pp. 6451-6459. (10.1016/j.proci.2020.06.310)

2020

• Runyon, J., Giles, A., Marsh, R., Pugh, D., Goktepe, B., Bowen, P. and Morris, S. 2020. Characterization of Additive Layer Manufacturing Swirl Burner Surface Roughness and Its Effects on Flame Stability Using High-Speed Diagnostics.. Journal of Engineering for Gas Turbines and Power 142(4), article number: 41017. (10.1115/1.4044950)
• Crayford, A., Bowen, P., Durand, E., Pugh, D., Sevcenco, Y. and Johnson, M. 2020. Influence of humidity and fuel hydrogen content on ultrafine non-volatile particulate matter formation in RQL gas turbine technology.. Presented at: Turbomachinery Technical Conference & Exposition (TURBO EXPO 2020), London, England, 22-26 June 2020.

2019

• Pugh, D., Bowen, P., Valera-Medina, A., Giles, A., Runyon, J. and Marsh, R. 2019. Influence of steam addition and elevated ambient conditions on NOx reduction in a staged premixed swirling NH3/H2 flame. Proceedings of the Combustion Institute 37(4), pp. 5401-5409. (10.1016/j.proci.2018.07.091)
• Runyon, J., Giles, A., Marsh, R., Pugh, D., Goktepe, B., Bowen, P. and Morris, S. 2019. Characterization of ALM swirl burner surface roughness and its effect on flame stability using high-speed diagnostics. Presented at: ASME Turbo Expo 2019, Phoenix, Arizona, USA, 17-21 June 2019ASME Turbo Expo 2019: Turbomachinery Technical Conference and Exposition: Volume 4A: Combustion, Fuels, and Emissions. pp. GT2019-90215-V04AT04A008., (10.1115/GT2019-90215)
• Hewlett, S., Valera Medina, A., Pugh, D. and Bowen, P. 2019. Gas turbine co-firing of steelworks ammonia with coke oven gas or methane: A fundamental and cycle Analysis. Presented at: ASME Turbo Expo 2019, Phoenix, Arizona, USA, 17-21 June 2019ASME Turbo Expo 2019: Turbomachinery Technical Conference and Exposition: Volume 3: Coal, Biomass, Hydrogen, and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration; Organic Rankine Cycle Power Systems. ASME pp. GT2019-91404., (10.1115/GT2019-91404)
• Valera Medina, A. et al. 2019. Premixed ammonia/hydrogen swirl combustion under rich fuel conditions for gas turbines operation. International Journal of Hydrogen Energy 44(16), pp. 8615-8626. (10.1016/j.ijhydene.2019.02.041)

2018

• Upadhyay, A. et al. 2018. A new RAM normalized 1f-WMS technique for the measurement of gas parameters in harsh environments and a comparison with 2f/1f. IEEE Photonics Journal 10(6), article number: 6804611. (10.1109/JPHOT.2018.2883548)
• Valera-Medina, A., Giles, A., Pugh, D., Morris, S., Pohl, M. and Ortwein, A. 2018. Investigation of combustion of emulated biogas in a gas turbine test rig. Journal of Thermal Science 27(4), pp. 331-340. (10.1007/s11630-018-1024-1)
• Runyon, J., Marsh, R., Bowen, P., Pugh, D., Giles, A. and Morris, S. 2018. Lean methane flame stability in a premixed generic swirl burner: Isothermal flow and atmospheric combustion characterization. Experimental Thermal and Fluid Science 92, pp. 125-140. (10.1016/j.expthermflusci.2017.11.019)
• Pugh, D., Bowen, P., Crayford, A., Marsh, R., Runyon, J., Morris, S. and Giles, A. 2018. Catalytic influence of water vapor on lean blowoff and NOx reduction for pressurised swirling syngas flames. Journal of Engineering for Gas Turbines and Power 140(6), article number: 61502. (10.1115/1.4038417)

2017

• Valera Medina, A., Pugh, D., Marsh, P., Bulat, G. and Bowen, P. 2017. Preliminary study on lean premixed combustion of ammonia-hydrogen for swirling gas turbine combustors. International Journal of Hydrogen Energy 42(38), pp. 24495-24503. (10.1016/j.ijhydene.2017.08.028)
• Buffi, M., Valera Medina, A., Marsh, R., Pugh, D., Giles, A., Runyon, J. and Chiaramonti, D. 2017. Emissions characterization tests for hydrotreated renewable jet fuel from used cooking oil and its blends. Applied Energy 201, pp. 84-93. (10.1016/j.apenergy.2017.05.104)
• Pugh, D. G. et al. 2017. Dissociative influence of H2O vapour/spray on lean blowoff and NOx reduction for heavily carbonaceous syngas swirling flames. Combustion and Flame 177, pp. 37-48. (10.1016/j.combustflame.2016.11.010)
• Valera Medina, A., Marsh, R., Runyon, J., Pugh, D., Beasley, P., Hughes, T. and Bowen, P. 2017. Ammonia-methane combustion in tangential swirl burners for gas turbine power generation. Applied Energy 185(2), pp. 1362-1371. (10.1016/j.apenergy.2016.02.073)
• Runyon, J., Marsh, R., Pugh, D., Bowen, P., Giles, A., Morris, S. and Valera Medina, A. 2017. Experimental analysis of confinement and swirl effects on premixed ch4-h-2 flame behavior in a pressurized generic swirl burner. Presented at: ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition, North Carolina, USA, 26-30 June 2017ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition, Vol. 4B. ASME, (10.1115/GT2017-64794)
• Pugh, D., Bowen, P., Crayford, A., Marsh, R., Runyon, J., Morris, S. and Giles, A. 2017. Catalytic influence of water vapor on lean blowoff and NOx reduction for pressurised swirling syngas flames. Presented at: ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition, North Carolina, USA, 26-30 June 2017Volume 4B: Combustion, Fuels and Emissions. ASME pp. V04BT04A033., (10.1115/GT2017-64609)

2016

• Kurji, H. et al. 2016. Combustion characteristics of biodiesel saturated with pyrolysis oil for power generation in gas turbines. Renewable Energy 99, pp. 443-451. (10.1016/j.renene.2016.07.036)
• Marsh, R., Runyon, J., Giles, A., Morris, S., Pugh, D., Valera-Medina, A. and Bowen, P. 2016. Premixed methane oxycombustion in nitrogen and carbon dioxide atmospheres: measurement of operating limits, flame location and emissions. Proceedings of the Combustion Institute. Proceedings of the Combustion Institute 36(3), pp. 3949-3958. (10.1016/j.proci.2016.06.057)
• Pugh, D. G., Crayford, A. P., Bowen, P. J. and Al-Naama, M. 2016. Parametric investigation of water loading on heavily carbonaceous syngases. Combustion and Flame 164, pp. 126-136. (10.1016/j.combustflame.2015.11.009)
• Buffi, M., Valera Medina, A., Runyon, J., Pugh, D., Giles, A., Marsh, R. and Chiaramonti, D. 2016. Evaluation of combustion behavior of renewable jet fuel in a combustor rig: influence of HEFA and its blends on flame stability and emissions compared to aviation kerosene. Presented at: 24th European Biomass Conference, Amsterdam, The Netherlands, 6-9 June 2016.

2015

• Valera Medina, A., Morris, S., Runyon, J., Pugh, D. G., Marsh, R., Beasley, P. and Hughes, T. 2015. Ammonia, methane and hydrogen for gas turbines. Energy Procedia 75, pp. 118-123. (10.1016/j.egypro.2015.07.205)
• Runyon, J., Marsh, R., Valera Medina, A., Giles, A., Pugh, D., Sevcenco, Y. A. and Bowen, P. J. 2015. Methane-oxygen flame stability in a generic premixed gas turbine swirl combustor at varying thermal power and pressure. Presented at: ASME Turbo Expo 2015: Turbine Technical Conference and Exposition, Montreal, Quebec, Canada, 15–19 June 2015Conference Proceedings of ASME Turbo Expo 2015: Turbine Technical Conference and Exposition, Vol. 4B. Combustion, Fuels and Emissions New York: ASME, (10.1115/GT2015-43588)
• Runyon, J., Marsh, R., Sevcenco, Y. A., Pugh, D. and Morris, S. 2015. Development and commissioning of a chemiluminescence imaging system for an optically-accessible high-pressure generic swirl burner. Presented at: 7th European Combustion Meeting (ECM 2015), Budapest, Hungary, 31 Mar - 2 Apr 2015EMC 2015: 7th European Combustion Meeting, March 30 - April 2, 2015, Budapest, Hungary. Vol. P3-29. pp. 1-6.

2014

• Pugh, D., Crayford, A. P., Bowen, P. J., O'Doherty, T., Marsh, R. and Steer, J. 2014. Laminar flame speed and markstein length characterisation of steelworks gas blends. Applied Energy 136, pp. 1026-1034. (10.1016/j.apenergy.2014.04.044)
• Pugh, D., Crayford, A. P., Bowen, P. J., O'Doherty, T. and Marsh, R. 2014. Variation in laminar burning velocity and Markstein length with water addition for industrially produced syngases. Presented at: urbo Expo 2014: Turbine Technical Conference and Exposition, Dusseldorf, Germany, 16-20 June 2014ASME Turbo Expo 2014: Turbine Technical Conference and Exposition: Volume 4A: Combustion, Fuels and Emissions. ASME pp. V04AT04A030., (10.1115/GT2014-25455)

2013

• Pugh, D., Giles, A., Hopkins, A., O'Doherty, T., Griffiths, A. J. and Marsh, R. 2013. Thermal distributive blast furnace gas characterisation, a steelworks case study. Applied Thermal Engineering 53(2), pp. 358-365. (10.1016/j.applthermaleng.2012.05.014)
• Pugh, D., O'Doherty, T., Griffiths, A. J., Bowen, P. J., Crayford, A. P. and Marsh, R. 2013. Sensitivity to change in laminar burning velocity and Markstein length resulting from variable hydrogen fraction in blast furnace gas for changing ambient conditions. International Journal of Hydrogen Energy 38(8), pp. 3459-3470. (10.1016/j.ijhydene.2012.12.081)
• Pugh, D. 2013. Combustion characterisation of compositionally dynamic steelworks gases. PhD Thesis, Cardiff University.
• Syred, N. et al. 2013. Effect of inlet and outlet configurations on blow-off and flashback with premixed combustion for high hydrogen content fuels in a generic swirl burner. Presented at: ICAE 2013, Pretoria, South Africa, 12-15 November 2013.

2012

• Pugh, D. et al. 2012. Laminar burning velocity and Markstein length characterisation of compositionally dynamic blast furnace gas. Presented at: Turbo Expo 2012: Turbine Technical Conference and Exposition, Copenhagen, Denmark, 11-15 June 2012ASME Turbo Expo 2012: Turbine Technical Conference and Exposition Volume 2: Combustion, Fuels and Emissions, Parts A and B. ASME pp. 1257-1266., (10.1115/GT2012-69667)