Search Results - "Zhu, Xuren"
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Stability limits and NO emissions of technically-premixed ammonia-hydrogen-nitrogen-air swirl flames
Published in International journal of hydrogen energy (21-08-2020)“…Hydrogen is a promising carbon-free fuel for power generation in gas turbines. However, this raises some challenges associated with the storage and…”
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NO and OH emission characteristics of very-lean to stoichiometric ammonia–hydrogen–air swirl flames
Published in Proceedings of the Combustion Institute (2021)“…One of the main concerns regarding ammonia combustion is its tendency to yield high nitric oxide (NO) emissions. Burning ammonia under slightly rich conditions…”
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3
UV-visible chemiluminescence signature of laminar ammonia-hydrogen-air flames
Published in Proceedings of the Combustion Institute (2023)“…This work investigates the UV and visible chemiluminescence signatures of laminar ammonia-hydrogen-air flames. A counterflow burner was used to stabilize flat…”
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4
Chemiluminescence signature of premixed ammonia-methane-air flames
Published in Combustion and flame (01-09-2021)“…This paper reports on the chemiluminescence footprint of premixed ammonia-methane-air flames. The chemiluminescence spectrum of laminar twin-flames stabilized…”
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5
Numerical study of heat release rate markers in laminar premixed Ammonia-methane-air flames
Published in Fuel (Guildford) (15-06-2022)“…Ammonia has the potential of being a future fuel for carbon-free combustion to reduce greenhouse gases (GHG) emission. The heat release rate (HRR) information…”
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6
Spatially resolved NH and OH profiles in ammonia-hydrogen-air counterflow diffusion flames
Published in Proceedings of the Combustion Institute (2024)“…This study reports on spatially resolved measurements and simulations of NH* and OH* chemiluminescence in NH3-H2-air counterflow diffusion flames. A Cassegrain…”
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7
Chemiluminescent footprint of premixed ammonia-methane-air swirling flames
Published in Proceedings of the Combustion Institute (2023)“…This work reports on the chemiluminescence signature of premixed ammonia-methane-air swirling flames. Wide ranges of equivalence ratios (0.6 ≤ Φ ≤ 1.3),…”
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8
Near-field flow stability of buoyant methane/air inverse diffusion flames
Published in Combustion and flame (01-05-2018)“…Experiment and simulation were performed to investigate buoyant methane/air inverse diffusion flames, with emphasis on the near-field flow dynamics under…”
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Stability limits and exhaust NO performances of ammonia-methane-air swirl flames
Published in Experimental thermal and fluid science (01-06-2020)“…•Pure ammonia-air swirl flames can be stabilized for a wide range of equivalence ratios.•Ammonia addition to methane reduces the flames’ propensity to…”
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10
An experimental and kinetic study of OH(A2Σ+) formation and quenching in ammonia-hydrogen-air flames
Published in Combustion and flame (01-02-2024)“…This work provides a kinetic and experimental investigation of excited radical OH(2Σ+) (also referred to as OH*) in NH3H2-air flames. A counterflow burner is…”
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11
Stability of Buoyant Inverse Diffusion Methane Flames with Confinement Effects
Published in Combustion science and technology (01-09-2020)“…Experimental and numerical studies were performed to examine the stability of inverse diffusion flames (IDFs) with the focus on the boundary wall effects. A…”
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12
NO x Emission and Control in Ammonia Combustion: State-of-the-Art Review and Future Perspectives
Published in Energy & fuels (04-01-2024)“…Global warming as a result of greenhouse gas emissions generated by anthropogenic activities (mainly the combustion of fossil fuels) has become an increasingly…”
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13
Excited Species as Heat Release Rate Markers in Laminar Premixed Ammonia–Hydrogen–Air Flames
Published in Energy & fuels (20-06-2024)“…Accurate determination of the heat release rate (HRR) information in ammonia flames is pivotal for practical applications of ammonia fuel in industrial…”
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14
Experimental investigation of the stability and emission characteristics of premixed formic acid-methane-air flames in a swirl combustor
Published in International journal of hydrogen energy (19-02-2023)“…Formic acid (FA) is a potential hydrogen energy carrier and low-carbon fuel by reversing the decomposition products, CO2 and H2, back to restore FA without…”
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15
Pure Ammonia-Fueled Roller Kiln for the Production of Ceramic Tiles: A First Demonstration
Published in Energy & fuels (04-11-2024)Get full text
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16
Experimental study and RANS calculation on velocity and temperature of a kerosene-fueled swirl laboratory combustor with and without centerbody air injection
Published in International journal of heat and mass transfer (01-10-2015)“…•An exploratory design of swirl combustor with centerbody air injection.•A comprehensive experimental and RANS calculation on the velocity and temperature…”
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17
Chemiluminescence- and machine learning-based monitoring of premixed ammonia-methane-air flames
Published in Applications in energy and combustion science (01-12-2023)“…•Properties of NH3CH4-air flames are monitored using chemiluminescence and ML.•OH*, NH*, CN*, and CH* intensities form the inputs of the ML algorithm.•A…”
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