Overview
2024-Present: Zero Carbon Fuels Theme Lead in the Net Zero Innovation Institute (NZII). Working within the institute to mitigate emissions through the use of zero carbon fuels (e.g. ammonia, hydrogen etc.).
2023-Present: Lecturer in Thermofluids & Combustion Science. Teaching activities across the school in the topics of Energy Systems, Heat Transfer and Fluid Mechanics. Supervising several final year projects for undergraduate and Master Level students related to ammonia/hydrogen blends for aerospace, marine and fertilizing applications, as well as research-based PhD students in the field of Combustion research. Actively working towards securing several funding for Cardiff University, in collaboration with other top tier universities, research institutions and industry partners through various proposals including Clear Sky, Clean Water and LES reactivity.
2020-23: Research Associate - Cardiff University. Worked at the University’s Thermofluids Lab at School of Engineering. Responsible for looking at different species formations in methane-ammonia-hydrogen flames to achieve safe and efficient power generation with alternative fuels and low emissions. Actively participating within the research group, communicating and presenting research at meetings, through publications and other recognised avenues as appropriate, ensuring information is communicated to internal and external partners. Also participating in School Administration and activities to promote the School and to the wider University and outside world.
2015-20: PhD Mechanical Engineering. Thesis Title: Nitric Oxide Formation Analysis Using Chemical Reactor Modelling and LIF Measurements on Industrial Swirl Flames. Cardiff University, Wales, United Kingdom. Studies in laser induced fluorescence (LIF), flashback, flame stability, combustion of alternative and conventional fuels in gas turbines for emissions reduction.
2013-14: MSc Themal Power (Gas Turbine Technology). Cranfield University, UK. Modules included: Gas Turbine Theory and Performance(95%) |Mechanical Design of Turbomachinery(73%) | Simulation and Diagnostics(78%) | Management For Technology(75%) | Turbomachinery(63%) |Jet Engine Control(86%) | Engine Systems(70%) | Combustors(74%). Thesis title: Sizing of Combined Cycle Components and Advanced 3D Design of Marine Power Plant.
2008-11: BEng (Hons) Aerospace Systems Engineering. University of Hertfordshire, UK. Modules included: Aerospace performance, Propulsion and Design| Aerodynamics | Aircraft Systems | Avionics Systems | Stability and Control of Aircraft | Mechanical science |Aerospace Technology and Business| Analytical Technique | Dynamics, Instrumentation and Control Systems | Control Systems. Distinction, First Class Graduate.
Publication
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
Adrannau llyfrau
- 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., 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)
Cynadleddau
- 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)
- 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)
- 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.
- 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)
- 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)
- 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.
- 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)
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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
Erthyglau
- 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)
- 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)
- 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)
- 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)
- 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)
- 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)
- 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)
- 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)
- 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)
- 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)
- 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)
- 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)
- 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)
- 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)
Gosodiad
- Mashruk, S. 2020. Nitric oxide formation analysis using chemical reactor modelling and laser induced fluorescence measurements on industrial swirl flames. PhD Thesis, Cardiff University.
Biography
Syed is currently working as a Lecturer in Thermofluids and Combustion Science at Cardiff University’s School of Engineering. He is also the Zero Carbon Fuels Theme Lead of the Net Zero Innovation Institute (NZII). He has received his PhD from Cardiff University and his MSc and BEng with 1st class honours from Cranfield University and University of Hertfordshire, respectively. His PhD research was focused on NO formation and measurements using laser diagnostics in various fuel blends. His research is focused on experimental and numerical characterisation of alternative, low carbon fuels for power generation, as well as in aviation and transport industries. He specialises in advanced optical and laser diagnostics systems. He has authored and co-authored various journal/conference publications on the topic of ammonia as an alternative fuel.
Supervisions
Alternative fuels, Ammonia, Hydrogen, NOx emissions, Laser and optical diagnostics
Current supervision
Ali Alnasif
Graduate Demonstrator
Jordan Davies
Research student
Contact Details
+44 29208 75907
Queen's Buildings - Central Building, Room C/4.03, 5 The Parade, Newport Road, Cardiff, CF24 3AA