A multi-head self-attention LSTM model for UK methane prediction by Bashar Alhnaity, Baihua Li, Tom Partridge, Qinggang Meng

Subjects: “…CH4…”
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Eulerian particle flamelet modelling of a bluff-body CH4/H2 flame by Anand Odedra, Weeratunge Malalasekera

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A combustion model sensitivity study for CH4/H2 bluff-body stabilized flame by Mamdud Hossain, Weeratunge Malalasekera

“…The laminar flamelet, equilibrium chemistry, constrained equilibrium chemistry, and flame sheet models are applied to simulate combustion in a CH4/H2 bluff-body flame experimentally studied by the University of Sydney. …”
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Modelling of a bluff body stabilized CH4/H2 flame based on a laminar flamelet model with emphasis on NO prediction by Mamdud Hossain, Weeratunge Malalasekera

“…A laminar flamelet model prediction of a bluff body stabilized CH4/H2 flame is reported. The predicted results of temperature and major and minor species as well as NO are compared against the Raman/Rayleigh/LIF data available from the University of Sydney. …”
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Low carbon fuel production from combined solid oxide CO2 co-electrolysis and Fischer-Tropsch synthesis system: A modelling study by Haoran Xu, M Mercedes Maroto-Valer, Meng Ni, Jun Cao, Jin Xuan

“…Compared with conventional SOECs, CH4-assisted SOECs consume less electricity because CH4 in the anode provides part of the energy for electrolysis. …”
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Greenhouse gas and noxious emissions from dual fuel diesel and natural gas heavy goods vehicles by Marc EJ Stettler, William Midgley, Jacob J Swanson, David Cebon, Adam M Boies

“…This study highlights that control of CH4 emissions and improved control of in-cylinder CH4 combustion are required to reduce total GHG emissions of dual fuel HGVs relative to diesel vehicles.…”
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Utilization of H2O and CO2 in coal particle gasification with an impact of temperature and particle size by Tata Sutardi, LINWEI Wang, Nader Karimi, Manosh C Paul

“…Initially, simulations of coal gasification with steam (H2O) are conducted in a reactor, and the results show that the steam gasification generally favors the production of H2 and CH4. However, the switch of agent to CO2 into the gasifier influences the gasification products having H2, CO, and CH4. …”
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Unsteady flamelet modelling of turbulent non-premixed combustion by Anand Odedra

“…The bluff-body flames have been studied for three different fuels CH4/H2, H2/CO and CH3OH. The swirling flame has been investigated for CH4/H2 fuel. …”
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Validation of unsteady flamelet / progress variable methodology for non-premixed turbulent partially premixed flames by S.K. Sadasivuni, Weeratunge Malalasekera, Salah Ibrahim

“…Lift-off height for a CH4/Air flame appears to be over-predicted while the predicted lift-off height for a H2/N2 flame shows an under-prediction.…”
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The role of anaerobic digestion in reducing dairy farm greenhouse gas emissions by Alun Scott, Richard Blanchard

“…However, much of the published work on GHG reduction is focused on either methane (CH4 ) or nitrous oxide (N2O), with few, if any, considering the interactions that changes to farming systems can have on both gases. …”
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Decoding gas-solid interaction effects on adsorption isotherm shape: I. Non-polar adsorptives by S. Hadi Madani, Philip Kwong, Francisco Rodriguez-Reinoso, Mark Biggs, Phillip Pendleton

“…Plateau amounts adsorbed for N2, Ar, CH4, and C6H6, provided Gurvitsch volumes averaged to 0.368 ± 0.015 cm3(liq)/g. …”
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Advanced flamelet modelling of turbulent nonpremixed and partialy premixed combustion by Ravikanti V.V.S. Murthy

“…The performanceo f the non-adiabaticm odel and its NO submodelsh asb eena ssessed against experimental measurements and steady flamelet model predictions for turbulent CH4/H2 bluff-body stabilized and CH4-air piloted jet flames. …”
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The effects of fuel selection in SI engines with implications for friction and lubrication by Ramin Rahmani, Josh Finneran

“…physics model that integrates comprehensive two zone thermodynamic, analytical tribological and gas dynamic models and is used to provide insight into differing engine requirements for different fuels (H2, CH4, C8H18), and injection strategies (PFI, DI) in the context of a stoichiometric, spark-ignited, single-cylinder engine. …”
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Large eddy simulation of turbulent non-premixed swirling flames by K.K.J. Ranga-Dinesh, W. Malalasekera, Salah S. Ibrahim, M.P. Kirkpatrick

“…The predicted flame is known as SMH1 having a swirl number of 0.32 and fuel of CH4:H2 (50:50) by volume. In the numerical method, the governing equations for mass, momentum and mixture fraction are solved on a structured Cartesian grid with 1 million cells. …”
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Monitoring anaerobic digestion: a 2-year brewery case study by Tanja Radu, Richard Blanchard, Vincent Smedley, Helen Theaker, Andrew D. Wheatley

“…The results for both years of operation demonstrate a 95% conversion of COD into gas with an additional contribution from solids digestion (specific gas yield of 0·4 l methane (CH4)/g CODrem). This high performance was attributed to the solubility of the COD and the efficient EGSB mixing.…”
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A laminar flamelet based NOx-radiation integrated modelling of turbulent non-premixed flame by Ravikanti V.V.S. Murthy, Weeratunge Malalasekera, Mamdud Hossain

“…Laminar flamelet model in its adiabatic form has been extended with radiation and NOx sub models to study the impact of radiation heat exchange on NOx predictions. Bluff-body stabilized CH4/H2 flame operating far from blow-off limit has been chosen as the test case. …”
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Laminar flamelet model prediction of NOx formation in a turbulent bluff-body combustor by Satyanarayana M. Ravikanti Veera Venkata, Mamdud Hossain, Weeratunge Malalasekera

“…Computed results have been compared against the well-known experimental data of Sydney University bluff-body CH4/H2 flame. Results show that the laminar flamelet model yields very good agreement with measurements for temperature and major species with all the reaction mechanisms. …”
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AI for sustainable land management and greenhouse gas emission forecasting: advancing climate action by Jack Cutler, Baihua Li, Bashar Alhnaity, Tom Partridge, Mike Thompson, Qinggang Meng

“…Experimental results demonstrate the superior performance of the Random Forest model compared to other machine learning models, achieving the highest accuracy with an RMSE of 29.49 and an MAE of 20.84 for methane (CH4) prediction. Shapley analysis is used to enhance model explainability by evaluating how different attributes (e.g., time, land usage, soil temperature) influence methane production. …”
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LES of recirculation and vortex breakdown in swirling flames by Weeratunge Malalasekera, K.K.J. Ranga-Dinesh, Salah Ibrahim, Assaad R. Masri

“…The selected flame is known as the SM1 flame operated with fuel CH4 at a swirl number of 0.5. In the numerical method used, the governing equations for continuity, momentum and mixture fraction are solved on a structured Cartesian grid. …”
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A microchannel sulphur tolerant steam reformer with integral multi-zone catalytic combustor by James Reed

“…The reformer was tested over a further range of operatmg temperatures, steam to carbon ratios and feed rates whilst using the fuels, LPG, C3Hs and CH4 The performance of the reformer whilst using C3Hs and LPG showed good agreement suggesting that the perfonnance of the reformer was not adversely affected by the presence of sulphur in the fuel. 98% conversion of C3H8 was achieved at a predicted fuel cell power output of 1.98kWe.…”
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Fabrication and evaluation of a novel wavy Single Chamber Solid Oxide Fuel Cell via in-situ monitoring of curvature evolution by Indae Choi, Jung-Sik Kim, Vijay Venkatesan, Manoj Prasanna Ranaweera

“…Performance testing of wavy cell is carried out in a methane-air mixture (CH4:O2 =1:1). The wavy SC-SOFC generated 0.39 V and 9.7 mWcm-2 at 600°C, which produced 260% and 540% increments in OCV and in maximum power density, respectively, over the planar SC-SOFC under the same operational conditions.…”
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Development and characterisation of polyaniline-based composite membranes for gas-separation by Gerhard Illing

“…The separation factors for some interesting gas pairs are: H2/CO2 (3.5), CO2/CH4 (40) and 02/N2 (7). In the case of nitrogen, diffusion coefficients were determined that are by some orders higher than those observed by other authors. …”
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Flamelet-based NOx radiation-integrated modelling of turbulent non-premixed flame using Reynolds-stress closure by Satyanarayana M. Ravikanti Veera Venkata, Weeratunge Malalasekera, Mamdud Hossain, T. Mahmud

“…Depending on consideration of variation in scalar dissipation within flamelet calculations, the non-adiabatic form has been further divided into non-adiabatic model with single (NADS) and multiple scalar dissipation rates (NADM). Bluff-body stabilized CH4/H2 flame has been chosen as the test case to assess the capability of non-adiabatic models. …”
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CFD modelling of turbulent non-premixed combustion by Mamdud Hossain

“…With different fuels, the laminar flamelet model predictions for CO/H2/N2 fuel are better than those for CH4/H2 fuel. The reasons for this discrepancy are discussed in detail. …”
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CFD modelling of gas turbine combustion processes by Asela R. Uyanwaththa

“…Therefore, the well known Sydney swirl flame which uses CH4: H2 blended fuel mixture is modelled using the steady laminar flamelet model. …”
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Fabrication of wavy type porous triple-layer SC-SOFC via in-situ observation of curvature evolution during co-sintering by Indae Choi

“…Performance testing of the wavy cell was carried out in a methane-air mixture (CH4:O2 =1:1). In comparison with a planar SC-SOFC, it showed higher OCV which might be attributed to not only macro deformation, but also microstructural distribution affecting the effective gas diffusion paths and electrochemical active sites.…”
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LES modelling of non-premixed and partially premixed turbulent flames by S.K. Sadasivuni

“…The performance of the non-adiabatic model is assessed against experimental measurements of turbulent CH4/H2 bluff-body stabilized and swirl stabilized jet flames carried out by the University of Sydney combustion group. …”
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CFD modelling of turbulent combustion and heat transfer by Md Abdul Alim

“…The combustion of different fuels ranging from simple H2/N2 and CO/H2/N2 to complex CH4/H2 are investigated for different inlet velocities and boundary conditions. …”
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Full emissions and energy consumption life cycle assessment of different Heavy-Duty vehicles powered by Electricity, Hydrogen, Methanol, and LNG fuels produced from various sources by Tushar Chhugani, Ramin Rahmani

“…The findings show that Hydrogen from renewable sources offers the lowest WTW CO2, CH4, and NOx emissions, though its production is energy intensive. …”
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