Dr Syed Mashruk

2025

• Davies, J., Mazzotta, L., Sato, D., Mashruk, S., Pugh, D., Borello, D. and Valera Medina, A. 2025. Experimental and numerical investigation of NH3/H2/N2 combustion in a premixed/stratified swirl burner. Journal of Engineering for Gas Turbines and Power 147(1), article number: 11006. (10.1115/1.4066207)

2024

• Zhao, X. et al. 2024. Thermochemical analysis of premixed ammonia/biogas flames in a model gas turbine swirl combustion system. Renewable Energy 236, article number: 121478. (10.1016/j.renene.2024.121478)
• Mashruk, S. et al. 2024. Perspectives on NOX emissions and impacts from ammonia combustion processes. Energy and Fuels (10.1021/acs.energyfuels.4c03381)
• Alnasif, A., Jójka, J., Mashruk, S., Nagy, T. and Valera-Medina, A. 2024. Analysis of the performance of kinetic reaction mechanisms in estimating N2O mole fractions in 70/30 vol% NH3/H2 premixed flames. Fuel 371(Part A), article number: 131897. (10.1016/j.fuel.2024.131897)
• Meloni, R. et al. 2024. Large Eddy Simulations for the prediction of fuel-bound NOx emissions: Application to NH3 and NH3-CH4 blends at different operating conditions. Presented at: Turbomachinery Technical Conference and Exposition, London, UK, 24-28 June 2024Turbo Expo: Power for Land, Dea, and Air, Vol. 3A. ASME, (10.1115/GT2024-123875)
• Davies, J., Mazzotta, L., Sato, D., Mashruk, S., Pugh, D., Borello, D. and Valera Medina, A. 2024. Experimental and numerical investigation of NH3/H2/N2 combustion in a premixed/stratified swirl burner. Presented at: ASME Turbo Expo 2024: Turbomachinery Technical Conference and Exposition, London, UK, 24-28 June 2024Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, Vol. 2., (10.1115/GT2024-127419)
• Sato, D., Davies, J., Mazzotta, L., Mashruk, S., Valera Medina, A. and Kurose, R. 2024. Effects of Reynolds number and ammonia fraction on combustion characteristics of premixed ammonia-hydrogen-air swirling flames. Proceedings of the Combustion Institute 40(1-4), article number: 105283. (10.1016/j.proci.2024.105283)
• Castellani, S. et al. 2024. Numerical modelling of swirl stabilised lean-premixed H2-CH4 flames with the artificially thickened flame model. Journal of Engineering for Gas Turbines and Power 146(6), article number: 61019. (10.1115/1.4063829)
• Alnajideen, M. et al. 2024. Ammonia combustion and emissions in practical applications: a review. Carbon Neutrality 3(1), article number: 13. (10.1007/s43979-024-00088-6)
• Goktepe, B., Clark, D., Morris, S. and Mashruk, S. 2024. Plasma-assisted ammonia combustion: the effect of equivalence ratio on NO emissions. Presented at: Cardiff University Engineering Research Conference 2023, Cardiff, UK, 12-14 July 2023 Presented at Spezi, E. and Bray, M. eds.Proceedings of the Cardiff University Engineering Research Conference 2023. Cardiff: Cardiff University Press pp. 176-180., (10.18573/conf1.an)
• Mashruk, S., Shi, H., Zitouni, S. and Valera Medina, A. 2024. Nitrogen oxide emissions in ammonia combustion. In: Kumar, S. et al. eds. Ammonia and Hydrogen for Green Energy Transition. Energy, Environment, and Sustainability. Energy, Environment, and Sustainability ((ENENSU)) Singapore: Springer, pp. 289-328., (10.1007/978-981-97-0507-8_13)
• Valera-Medina, A. et al. 2024. Ammonia combustion in furnaces: A review. International Journal of Hydrogen Energy 49(Part B), pp. 1597-1618. (10.1016/j.ijhydene.2023.10.241)
• Jójka, J., Alnasif, A., Mashruk, S. and Valera-Medina, A. 2024. Modelling of turbulent premixed swirl flames for 70/30 vol% NH3/H2 fuel-air mixtures. Presented at: The 19th edition of the International Conference on Numerical Combustion, Kyoto, Japan, 7-10 May 2024.
• Alnasif, A., Jójka, J., Mashruk, S. and Valera-Medina, A. 2024. Insight into NH3 formation characteristics at rich conditions in 70/30 VOL% NH3/H2 flames. Presented at: The 19th Edition of the International Conference on Numerical Combustion, Kyoto, Japan, 7-10 May 2024.
• Alnasif, A., Szanthoffer, A. G., Papp, M., Turanyi, T., Mashruk, S., Valera-Medina, A. and Nagy, T. 2024. A novel kinetic reaction mechanism for predicting laminar flame speeds of NH3/H2 fuel mixtures. Presented at: International Workshop On Science And Technology Supporting Energy Conversion Towards Carbon Neutrality, Université d'Orléans, France, 3 - 4 July 2024.
• Alnasif, A., Szanthoffer, A. G., Papp, M., Turányi, T., Mashruk, S., Valera-Medina, A. and Nagy, T. 2024. An optimised reaction mechanism for predicting laminar flame speed in NH3 and NH3/H2 flames. Presented at: MariNH3 Conference 2024, Nottingham, UK, 26 June 2024.

2023

• Wu, Y. et al. 2023. Emission reduction and cost-benefit analysis of the use of ammonia and green hydrogen as fuel for marine applications. Green Energy and Resources 1(4), article number: 100046. (10.1016/j.gerr.2023.100046)
• Chaturvedi, S., Santhosh, R., Mashruk, S., Yadav, R. and Valera-Medina, A. 2023. Prediction of NOx emissions and pathways in premixed ammonia-hydrogen-air combustion using CFD-CRN methodology. Journal of the Energy Institute 111, article number: 101406. (10.1016/j.joei.2023.101406)
• Yu, C., Cai, L., Chi, C., Mashruk, S., Valera-Medina, A. and Maas, U. 2023. Numerical investigation on the head-on quenching (HoQ) of laminar premixed lean to stoichiometric ammonia-hydrogen-air flames. Flow, Turbulence and Combustion 111, pp. 1301-1322. (10.1007/s10494-023-00489-0)
• Alnaeli, M. et al. 2023. High-temperature materials for complex components in Ammonia/Hydrogen gas turbines: A critical review. Energies 16(19), article number: 6973. (10.3390/en16196973)
• 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)
• Castellani, S. et al. 2023. Numerical modelling of swirl stabilised lean-premixed H2-CH4 flames with the artificially thickened flame model. Presented at: ASME Turbo Expo 2023: Turbomachinery Technical Conference and Exposition, 26-30 June 2023Turbo Expo: Power for Land, Sea, and Air, Vol. 3A. ASME, (10.1115/GT2023-101994)
• Mashruk, S. et al. 2023. Combustion characteristics of a novel ammonia combustor equipped with stratified injection for low emissions. Journal of Ammonia Energy 1(1), pp. 21-32. (10.18573/jae.10)
• Alnasif, A., Zitouni, S., Mashruk, S., Brequigny, P., Kovaleva, M., Mounaim-Rousselle, C. and Valera Medina, A. 2023. Experimental and numerical comparison of currently available reaction mechanisms for laminar flame speed in 70/30 (%vol.) NH3/H2 flames. Applications in Energy and Combustion Science 14, article number: 100139. (10.1016/j.jaecs.2023.100139)
• Hayakawa, A. et al. 2023. Experimental and numerical study of product gas and N2O emission characteristics of ammonia/hydrogen/air premixed laminar flames stabilized in a stagnation flow. Proceedings of the Combustion Institute 39(2), pp. 1625-1633. (10.1016/j.proci.2022.08.124)
• Mashruk, S., Zhu, X., Roberts, W. L., Guiberti, T. F. and Valera Medina, A. 2023. Chemiluminescent footprint of premixed ammonia-methane-air swirling flames. Proceedings of the Combustion Institute 39(1), pp. 1415-1423. (10.1016/j.proci.2022.08.073)
• Alnasif, A., Mashruk, S., Hayashi, M., Jójka, J., Shi, H., Hayakawa, A. and Valera-Medina, A. 2023. Performance Investigation of Currently Available Reaction Mechanisms in the Estimation of NO Measurements: A Comparative Study. Energies 16(9), article number: 3847. (10.3390/en16093847)
• 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)
• Xiao, H. et al. 2023. Performance Analysis of Gas Turbine Using Hydrogen-Added Natural Gas. Presented at: 12th International Conference on Power and Energy Systems (ICPES), 23-25 December 20222022 12th International Conference on Power and Energy Systems (ICPES). IEEE, (10.1109/ICPES56491.2022.10072868)
• Mong, G. R. et al. 2023. Fuel-lean ammonia/biogas combustion characteristics under the reacting swirl flow conditions. Fuel 331(2), article number: 125983. (10.1016/j.fuel.2022.125983)
• Alnasif, A., Mashruk, S., Jójka, J., Nagy, T. and Valera-Medina, A. 2023. Comprehensive investigation of available reaction mechanisms in their performance of estimation of NO2 concentration IN 70/30 vol% NH3/H2 Premixed Flames. Presented at: Cardiff Engineering Research Conference, 12-14 July 2023.
• Alnasif, A., Jójka, J., Mashruk, S., Nagy, T. and Valera-Medina, A. 2023. Analysis of the performance of kinetic reaction mechanisms in estimating N2O mole fractions in 70/30 vol% NH3/H2 premixed flames. Presented at: 15th International Conference on Combustion Technologies for a Clean Environment, 25-29 June 2023.
• Mashruk, S., Davies, J., Taufiq, M., Rudman, J., Alnasif, A., Docherty, R. and Valera-Medina, A. 2023. Effects of temperature and humidification in 20(vol.%) cracked ammonia swirling flames. Presented at: 2nd Symposium on Ammonia Energy, 11-13 July 2023.
• Alnasif, A., Jójka, J., Mashruk, S., Davies, J., Nagy, T. and Valera-Medina, A. 2023. A kinetic modelling study for estimating residual NH3 speciation at the combustion outlet in 70/30 vol% NH3/H2 flames. Presented at: 2nd Symposium on Ammonia Energy, 11-13 July 2023.
• Shi, H., Mashruk, S., Alnajideen, M. and Valera-Medina, A. 2023. Modelling and performance analysis of a dual heat source ammonia-based heat pump system. Presented at: 2nd Symposium on Ammonia Energy, 11-13 July, 2023.

2022

• Mashruk, S., Zitouni, S., Brequigny, P., Mounaim-Rousselle, C. and Valera Medina, A. 2022. Combustion performances of premixed ammonia/hydrogen/air laminar and swirling flames for a wide range of equivalence ratios. International Journal of Hydrogen Energy 47(97), pp. 41170-41182. (10.1016/j.ijhydene.2022.09.165)
• 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., Kovaleva, M., Alnasif, A., Chong, C. T., Hayakawa, A., Okafor, E. C. and Valera Medina, A. 2022. Nitrogen oxide emissions analyses in ammonia/hydrogen/air premixed swirling flames. Energy 260, article number: 125183. (10.1016/j.energy.2022.125183)
• 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)
• Kovaleva, M., Dziedzic, D., Mashruk, S., Evans, S., Valera Medina, A. and Galindo-Nava, E. 2022. The evaluation of ammonia/hydrogen combustion on the H permeation and embrittlement of nickel-base superalloys. Presented at: American Society of Mechanical Engineers, Rotterdam, Netherlands, 13 - 17 June 2022Proceedings of ASME Turbo Expo 2022. ASME pp. 82239., (10.1115/GT2022-82239)
• Mashruk, S., Vigueras-Zuniga, M. O., Tejeda-del-Cueto, M., Xiao, H., Yu, C., Maas, U. and Valera Medina, A. 2022. Combustion features of CH4/NH3/H2 ternary blends. International Journal of Hydrogen Energy 47(70), pp. 30315-30327. (10.1016/j.ijhydene.2022.03.254)
• Alnasif, A., Mashruk, S., Kovaleva, M., Wang, P. and Valera-Medina, A. 2022. Experimental and numerical analyses of nitrogen oxides formation in a high ammonia-low hydrogen blend using a tangential swirl burner. Carbon Neutrality 1, article number: 24. (10.1007/s43979-022-00021-9)
• Fawwaz Alrebei, O., I. Amhamed, A., Mashruk, S., Bowen, P. and Valera Medina, A. 2022. Planar laser-induced fluorescence and chemiluminescence analyses of CO2-argon-steam oxyfuel (CARSOXY) combustion. Energies 15(1), article number: 263. (10.3390/en15010263)
• Alnasif, A., Mashruk, S., Hayashi, M., Hayakawa, A. and Valera-Medina, A. 2022. Performance investigation of currently available reaction mechanisms in the estimation of NO measurements: a comparative study. Presented at: 1st Symposium on Ammonia Energy, 1 - 2 September 2022.
• Mashruk, S., Alnasif, A., Thatcher, J., Rudman, J., Peronski, L., Okafor, E. and Valera-Medina, A. 2022. Stability limits of propane/ammonia/hydrogen ternary blends for an industrial scale swirl burner. Presented at: 1st Symposium on Ammonia Energy, 1 - 2 September 2022.
• Guteša Božo, M., Mashruk, S., Alnajideen, M. and Valera-Medina, A. 2022. A novel trigeneration gas turbine cycle powered by humidified ammonia/hydrogen with ammonia refrigeration. Presented at: 1st Symposium on Ammonia Energy, 1 - 2 September 2022.
• Vishnoi, N., Verma, S., Mashruk, S., Valera-Medina, A., Saurabh, A. and Kabiraj, L. 2022. Effect of Swirler configurations on combustion of humidified lean premixed methane-hydrogen mixtures. Presented at: 2023 AIAA SciTech, 23 - 27 January 2023. , (10.2514/6.2023-1060.vid)
• Alnasif, A., Zitouni, S., Mashruk, S., Brequigny, P., Kovaleva, M., Mounaim-Rousselle, C. and Valera-Medina, A. 2022. Experimental and numerical comparison of currently available reaction mechanisms for laminar flame speed in hydrogen/ammonia flames. Presented at: SET2022: International Conference on Sustainable Energy and Technologies, 16-18 August 202219th International Conference on Sustainable Energy Technologies – SET 2022.
• Xiao, H. et al. 2022. Effects of carbon dioxide on combustion of methane/hydrogen in a swirl combustor. Presented at: 14th International Conference on Applied Energy, 8 - 11 August 2022.
• Chaturvedi, S., Rudrasetty, S., Mashruk, S. and Valera Medina, A. 2022. CFD-CRN modelling for prediction of pollutants in NH3/H2/air combustion. Presented at: 14th International Conference on Applied Energy, 8 - 11 August 2022.
• Mashruk, S., Alnasif, A., Navaratne, R., Guiberti, T. and Valera-Medina, A. 2022. Effects of stratified H2 injection in premixed ammonia/hydrogen/air swirling flames. Presented at: 1st Symposium on Ammonia Energy, 1 - 2 September 2022.

2021

• Hayakawa, A. et al. 2021. Study on N2O production mechanisms of lean ammonia/hydrogen/air premixed laminar flames. Presented at: The 59th Japanese Symposium on Combustion, Virtual, 22nd - 24 November 2021.
• Vigueras-Zuniga, M. O., Tejeda-del-Cueto, M. E., Mashruk, S., Kovaleva, M., Ordonez-Romero, C. L. and Valera Medina, A. 2021. Methane/ammonia radical formation during high temperature reactions in swirl burners. Energies 14(20), article number: 6624. (10.3390/en14206624)
• Boero, A. J. et al. 2021. Environmental life cycle assessment of ammonia‐based electricity. Energies 14(20), article number: 6721. (10.3390/en14206721)
• Chiong, M. et al. 2021. Advancements of combustion technologies in the ammonia-fuelled engines. Energy Conversion and Management 244, article number: 114460. (10.1016/j.enconman.2021.114460)
• Zitouni, S. et al. 2021. Ammonia blended fuels - energy solutions for a green future. Presented at: European Turbine Network (ETN) International Gas Turbine Conference, Brussels, Belgium, 11-15 October 2021.
• Hayakawa, A. et al. 2021. N2O production characteristics of strain stabilized premixed laminar ammonia/hydrogen/air premixed flames in lean conditions. Presented at: 13th Asia-Pacific Conference on Combustion 2021, Abu Dhabi, United Arab Emirates, 05-09 December 2021.
• Hayakawa, A. et al. 2021. Product gas characteristics of ammonia/hydrogen/air premixed laminar flames stabilized in stagnation flows for various equivalence ratios. Presented at: 18th International Conference on Flow Dynamics (ICFD 2021), Virtual, 27-29 October 2021.
• Valera-Medina, A. et al. 2021. Review on ammonia as a potential fuel: from synthesis to economics. Energy and Fuels 35(9), pp. 6964-7029. (10.1021/acs.energyfuels.0c03685)
• Kovaleva, M., Mashruk, S., Agwu, O. and Valera Medina, A. 2021. The development and testing of a CH4/NH3/H2 combustion system for a 50kW micro gas turbine. Presented at: ASME Turbomachinery Technical Conference & Exposition (Turbo Expo 2021), Virtual, 7-11 June 2021.
• Mashruk, S., Xiao, H. and Valera-Medina, A. 2021. Rich-Quench-Lean model comparison for the clean use of humidified ammonia/hydrogen combustion systems. International Journal of Hydrogen Energy 46(5), pp. 4472-4484. (10.1016/j.ijhydene.2020.10.204)
• Guteša, B., Mashruk, S., Zitouni, S. and Valera Medina, A. 2021. Humidified ammonia/hydrogen RQL combustion in a trigeneration gas turbine cycle. Energy Conversion and Management 27, article number: 113625. (10.1016/j.enconman.2020.113625)
• Kovaleva, M., Mashruk, S. and Valera Medina, A. 2021. Experimental study of ammonia addition in premixed methane flames. Presented at: 38th International Symposium on Combustion, Adelaide, Australia, 24-29 January 2021.
• Mashruk, S., Kovaleva, M., Tung Chong, C., Hayakawa, A., Okafor, E. C. and Valera-Medina, A. 2021. Nitrogen Oxides as a by-product of Ammonia/Hydrogen combustion regimes. Chemical Engineering Transactions 89, pp. 613-618. (10.3303/CET2189103)
• Kovaleva, M., Mashruk, S. and Valera Medina, A. 2021. Empirical and numerical investigation of turbulent flows in a novel design burner for ammonia/hydrogen combustion. Presented at: European Combustion Meeting (ECM 2021), Virtual, 14-15 April 2021.
• Mashruk, S., Kovaleva, M., Zitouni, S. E., Brequigny, P., Rousselle, C. and Valera-Medina, A. 2021. Ammonia/hydrogen/methane characteristic profiles for atmospheric combustion applications. Presented at: 13th International Conference on Applied Energy (ICAE 2021), Bangkok, Thailand, 29 November - 02 December 2021.

2020

• Mashruk, S. 2020. Nitric oxide formation analysis using chemical reactor modelling and laser induced fluorescence measurements on industrial swirl flames. PhD Thesis, Cardiff University.
• Valera-Medina, A., Mashruk, S., Xiao, H., Chiong, M. and Chong, C. T. 2020. Ammonia/hydrogen blends for zero-carbon energy. Presented at: 8th International Conference on Fluid Mechanics, Virtual, 25-28 September 2018.
• Xiao, H., He, W., Lai, S., Valera-Medina, A. and Mashruk, S. 2020. Auto-ignition study on methane and ammonia fuel blends. Presented at: 12th International Conference on Applied Energy (ICAE 2020), Virtual, 1-10 December 2020.

2018

• Mashruk, S., Marsh, R., Runyon, J., Morris, S. and Bowen, P. 2018. Methodology and comparison of quantitative NO-LIF imaging in a bunsen burner with numerical simulation results. Presented at: 19th International Symposium on Applications of Laser and Imaging Techniques to Fluid Mechanics (LXLASER 2018), Lisbon, Portugal, 16-19 July 2018Proceedings of the19th International Symposium on Applications of Laser and Imaging Techniques to Fluid Mechanics. Lisbon: Instituto Superior Técnico