Search Results - "Boxx, Isaac"

Hybrid algorithm for the detection of turbulent flame fronts by Chaib, Oussama, Zheng, Yutao, Hochgreb, Simone, Boxx, Isaac

“…This paper presents a hybrid and unsupervised approach to flame front detection for low signal-to-noise planar laser-induced fluorescence (PLIF) images. The…”
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Coupled thermoacoustic interactions in hydrogen-enriched lean combustion by Kushwaha, Abhishek, Roy, Amitesh, Chterev, Ianko, Boxx, Isaac, Sujith, R. I.

“…In this paper, we apply a framework based on decomposition techniques to study the synchronization of flow velocity with acoustic pressure and heat release…”
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Effects of Hydrogen Enrichment on Thermoacoustic and Helical Instabilities in Swirl Stabilised Partially Premixed Flames by Kumar, Ankit D., Massey, James C., Boxx, Isaac, Swaminathan, Nedunchezhian

“…The effects of hydrogen enrichment on flame and flow dynamics of a swirl-stabilised partially premixed methane-air flame are studied using large eddy…”
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Effects of Hydrogen-Enrichment on Flame-Holding of Natural Gas Jet Flames in Crossflow at Elevated Temperature and Pressure by Saini, Pankaj, Chterev, Ianko, Pareja, Jhon, Aigner, Manfred, Boxx, Isaac

“…The effect of hydrogen ( H 2 ) enrichment on the flame-holding characteristics of two natural gas jet flames in crossflow is investigated here, experimentally…”
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An experimental/numerical investigation of non-reacting turbulent flow in a piloted premixed Bunsen burner by Pareja, Jhon, Lipkowicz, Timo, Inanc, Eray, Carter, Campbell D., Kempf, Andreas, Boxx, Isaac

“…In this paper, an experimental study of the non-reacting turbulent flow field characteristics of a piloted premixed Bunsen burner designed for operational at…”
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Effect of Pressure on Hydrogen Enriched Natural Gas Jet Flames in Crossflow by Saini, Pankaj, Chterev, Ianko, Pareja, Jhon, Aigner, Manfred, Boxx, Isaac

“…The effect of pressure on hydrogen (H 2 ) enriched natural gas jet flames in crossflow is experimentally investigated here. Simultaneously acquired high speed…”
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High-speed laser diagnostics for the study of flame dynamics in a lean premixed gas turbine model combustor by Boxx, Isaac, Arndt, Christoph M., Carter, Campbell D., Meier, Wolfgang

“…A series of measurements was taken on two technically premixed, swirl-stabilized methane-air flames (at overall equivalence ratios of ϕ = 0.73 and 0.83) in an…”
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Turbulence-Driven Blowout Instabilities of Premixed Bluff-Body Flames by Morales, Anthony J., Genova, Tommy, Reyes, Jonathan, Boxx, Isaac, Ahmed, Kareem A.

“…Bluff-body flame instabilities are experimentally investigated under varying turbulence conditions during lean blowout. For all turbulence conditions, the…”
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On the Mechanism Responsible for Extreme Turbulence Intensity Generation in the Hi-Pilot Burner by Boxx, Isaac G., Skiba, Aaron W., Carter, Campbell D., Ceschin, Alberto, Pérez, Francisco E. Hernández, Im, Hong G.

“…In this study, we apply particle image velocimetry (PIV), hot-wire anemometry (HWA), and large-eddy simulation (LES) to identify and characterize a key…”
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Effect of hydrogen enrichment on the dynamics of a lean technically premixed elevated pressure flame by Chterev, Ianko, Boxx, Isaac

“…The heat release distribution, combustion instability characteristics and flow dynamics of lean swirl-stabilized flames of hydrogen enriched natural gas were…”
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5 kHz thermometry in a swirl-stabilized gas turbine model combustor using chirped probe pulse femtosecond CARS. Part 1: Temporally resolved swirl-flame thermometry by Dennis, Claresta N., Slabaugh, Carson D., Boxx, Isaac G., Meier, Wolfgang, Lucht, Robert P.

“…Single-laser-shot temperature measurements at 5 kHz were performed in a gas turbine model combustor using femtosecond (fs) coherent anti-Stokes Raman…”
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An experimental marker of thermo-diffusive instability in hydrogen-enriched flames by Chaib, Oussama, Hochgreb, Simone, Boxx, Isaac

“…The structure of hydrogen-enriched methane-air flames in a Bunsen burner at low turbulence is investigated using OH planar laser-induced fluorescence (PLIF)…”
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Flux-based measurement of local scalar source terms in turbulent reacting flows: Theory and application to soot formation in an aero-engine model combustor by Stöhr, Michael, Boxx, Isaac, Geigle, Klaus Peter

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Experimental study of vortex-flame interaction in a gas turbine model combustor by Stöhr, Michael, Boxx, Isaac, Carter, Campbell D., Meier, Wolfgang

“…The interaction of a helical precessing vortex core (PVC) with turbulent swirl flames in a gas turbine model combustor is studied experimentally. The combustor…”
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The effects of turbulence on the lean blowout mechanisms of bluff-body flames by Morales, Anthony J., Reyes, Jonathan, Boxx, Isaac, Ahmed, Kareem A.

“…The lean blowout mechanisms of premixed bluff-body flames are experimentally investigated at various turbulence intensities. Turbulence levels are varied using…”
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Pocket formation and behavior in turbulent premixed flames by Tyagi, Ankit, Boxx, Isaac, Peluso, Stephen, O'Connor, Jacqueline

“…Pocket formation is an important characteristic of turbulent premixed flames and understanding pocket behavior is key to developing high-fidelity numerical…”
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Statistics and topology of local flame–flame interactions in turbulent flames by Tyagi, Ankit, Boxx, Isaac, Peluso, Stephen, O'Connor, Jacqueline

“…Flame–flame interaction events occur frequently in turbulent premixed flames and change the local structure and dynamics of flames. It is essential to…”
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High-fidelity H2–CH4 jet in crossflow modelling with a flame index-controlled artificially thickened flame model by Castellani, Simone, Meloni, Roberto, Orsino, Stefano, Ansari, Naseem, Yadav, Rakesh, Bessette, Didier, Boxx, Isaac, Andreini, Antonio

“…Hydrogen introduction in existing combustion systems can heavily alter the flame morphology and stability limit of the system itself. This makes the numerical…”
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Time-resolved study of mixing and reaction in an aero-engine model combustor at increased pressure by Litvinov, Ivan, Yoon, Jisu, Noren, Carrie, Stöhr, Michael, Boxx, Isaac, Geigle, Klaus Peter

“…In this study, we experimentally investigate large-scale vortex structures, fuel-air mixing and reaction processes, which occur in a partially premixed…”
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Characteristics of turbulent nonpremixed jet flames under normal- and low-gravity conditions by Idicheria, Cherian A., Boxx, Isaac G., Clemens, Noel T.

“…An experimental study was performed with the aim of investigating the structure of transitional and turbulent nonpremixed jet flames under different gravity…”
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