Search Results - "Loparo, Zachary"

An experimental and chemical kinetic modeling study of 1,3-butadiene combustion: Ignition delay time and laminar flame speed measurements by Zhou, Chong-Wen, Li, Yang, Burke, Ultan, Banyon, Colin, Somers, Kieran P., Ding, Shuiting, Khan, Saadat, Hargis, Joshua W., Sikes, Travis, Mathieu, Olivier, Petersen, Eric L., AlAbbad, Mohammed, Farooq, Aamir, Pan, Youshun, Zhang, Yingjia, Huang, Zuohua, Lopez, Joseph, Loparo, Zachary, Vasu, Subith S., Curran, Henry J.

“…Ignition delay times for 1,3-butadiene oxidation were measured in five different shock tubes and in a rapid compression machine (RCM) at thermodynamic…”
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Fuel-rich n-heptane oxidation: A shock tube and laser absorption study by Loparo, Zachary E., Lopez, Joseph G., Neupane, Sneha, Partridge, William P., Vodopyanov, Konstantin, Vasu, Subith S.

“…The chemical kinetics of n-heptane (n-C7H16) – an important reference compound for real fuels – oxidation are well studied at stoichiometric and lean…”
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New insights into the shock tube ignition of H2/O2 at low to moderate temperatures using high-speed end-wall imaging by Ninnemann, Erik, Koroglu, Batikan, Pryor, Owen, Barak, Samuel, Nash, Leigh, Loparo, Zachary, Sosa, Jonathan, Ahmed, Kareem, Vasu, Subith

“…In this work, the effects of pre-ignition energy releases on H2O2 mixtures were explored in a shock tube with the aid of high-speed imaging and conventional…”
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Combustion of suspensions of mixed aluminum and silicon carbide in the products of hydrocarbon flames by Soo, Michael J., Loparo, Zachary E., Jacob, Rohit J, Fisher, Brian T.

“…A stabilized methane/air Bunsen flame is seeded with powder fuel mixtures containing various combinations of spherical, micron-sized aluminum (Valimet H-2 with…”
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Reflected shock-initiated ignition probed via simultaneous lateral and endwall high-speed imaging with a transparent, cylindrical test-section by Ninnemann, Erik, Pryor, Owen, Barak, Samuel, Neupane, Sneha, Loparo, Zachary, Laich, Andrew, Vasu, Subith S.

“…A TRAnsparent cylindrical (TRAC) shock tube test section has been developed to explore the ignition structure behind reflected shockwaves via simultaneous…”
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Design of External Cavity Quantum Cascade Lasers for Combustion and Explosion Diagnostics by Lyakh, Arkadiy, Azim, Ahmad, Loparo, Zachary E., Thurmond, Kyle, Vasu, Subith S.

“…The main design principles of external cavity quantum cascade lasers with ultra-fast tuning in a broad spectral range for combustion and explosion diagnostics…”
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Shock Tube/Laser Absorption and Kinetic Modeling Study of Triethyl Phosphate Combustion by Neupane, Sneha, Barnes, Frank, Barak, Samuel, Ninnemann, Erik, Loparo, Zachary, Masunov, Artëm E, Vasu, Subith S

“…Pyrolysis and oxidation of triethyl phosphate (TEP) were performed in the reflected shock region at temperatures of 1462–1673 K and 1213–1508 K, respectively,…”
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Reflected shock-initiated ignition probed via simultaneous lateral and endwall high-speed imaging with a transparent, cylindrical test-section by Ninnemann, Erik, Pryor, Owen, Barak, Samuel, Neupane, Sneha, Loparo, Zachary, Laich, Andrew, Vasu, Subith S.

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A Light-Emitting Diode- (LED-) Based Absorption Sensor for Simultaneous Detection of Carbon Monoxide and Carbon Dioxide by Thurmond, Kyle, Loparo, Zachary, Partridge, William, Vasu, Subith S.

“…A sensor was developed for simultaneous measurements of carbon monoxide (CO) and carbon dioxide (CO2) fluctuations in internal combustion engine exhaust gases…”
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Fuel-rich n-heptane oxidation: A shock tube and laser absorption study by Loparo, Zachary E., Lopez, Joseph G., Neupane, Sneha, Partridge, William P., Vodopyanov, Konstantin, Vasu, Subith S.

“…The chemical kinetics of n-heptane (n-C7H16) – an important reference compound for real fuels – oxidation are well studied at stoichiometric and lean…”
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New insights into the shock tube ignition of H^sub 2^/O^sub 2^ at low to moderate temperatures using high-speed end-wall imaging by Ninnemann, Erik, Koroglu, Batikan, Pryor, Owen, Barak, Samuel, Nash, Leigh, Loparo, Zachary, Sosa, Jonathan, Ahmed, Kareem, Vasu, Subith

“…In this work, the effects of pre-ignition energy releases on H2-O2 mixtures were explored in a shock tube with the aid of high-speed imaging and conventional…”
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New insights into the shock tube ignition of H2/O2 at low to moderate temperatures using high-speed end-wall imaging by Ninnemann, Erik, Koroglu, Batikan, Pryor, Owen, Barak, Samuel, Nash, Leigh, Loparo, Zachary, Sosa, Jonathan, Ahmed, Kareem, Vasu, Subith

“…In this study, the effects of pre-ignition energy releases on H2—O2 mixtures were explored in a shock tube with the aid of high-speed imaging and conventional…”
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Propionaldehyde infrared cross-sections and band strengths by Köroğlu, Batikan, Loparo, Zachary, Nath, Janardan, Peale, Robert E., Vasu, Subith S.

“…The use of oxygenated biofuels reduces the greenhouse gas emissions; however, they also result in increased toxic aldehyde by-products, mainly formaldehyde,…”
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MHz-Rate Measurements of Time-Resolved Species Concentrations in Shock Heated Chemical Weapon Simulants by Neupane, Sneha, Barak, Samuel, Ninnemann, Erik, Loparo, Zachary, Pryor, Owen, Vasu, Subith

“…In this study, shock-heated decomposition kinetics study of triethyl phosphate (TEP), a simulant of chemical weapon Sarin-GB, was carried out in a shock tube…”
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Time-Resolved, Laser-Absorption Temperature Measurement in Shock Heated Mixtures with Reduced Beam Steering and Emission Noise by Loparo, Zachary, Ninnemann, Erik, Thurmond, Kyle, Laich, Andrew, Azim, Ahmad, Lyakh, Arkadiy, Vasu, Subith

“…A fast temperature diagnostic for time-resolved measurements in harsh environments based on an acousto-optically modulated quantum cascade laser is…”
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Massively parallel detection of trace molecules in a mixture using an ultra-broadband mid-IR subharmonic dual comb by Muraviev, Andrey, Smolski, Viktor O., Loparo, Zachary E., Vodopyanov, Konstantin L.

“…We use a pair of highly-coherent GaAs subharmonic OPOs with instantaneous span 3.1-5.5 µm to demonstrate fast acquisition of 350, 000 mode-resolved spectral…”
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Acousto-Optically Modulated Quantum Cascade Laser (AOM QCL) for Combustion and Detonation Thermometry by Loparo, Zachary E., Thurmond, Kyle, Ninnemann, Erik, Laich, Andrew, Azim, Ahmad, Lvakh, Arkadiv, Vasu, Subith S.

“…We demonstrate temperature measurements in shock-heated mixtures of carbon monoxide (CO) using an acousto-optically modulated quantum cascade laser…”
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Femtosecond OPO based on orientation-patterned gallium phosphide (OP-GaP) by Qi-Tian Ru, Loparo, Zachary E., Schunemann, Peter G., Vodopyanov, Konstantin L.

“…We report the first femtosecond OP-GaP based OPO suitable for ultrabroadband frequency comb generation. The 15-dB bandwidth of 2.6-4.2 μm was obtained from a…”
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Instantaneous spectral span of 2.85-8.40 μm achieved in a Cr:ZnS laser pumped subharmonic GaAs OPO by Qitian Ru, Kai Zhong, Lee, Nathaniel P., Loparo, Zachary E., Schunemann, Peter G., Vasilyev, Sergey, Mirov, Sergey B., Vodopyanov, Konstantin L.

“…We report a broadband mid-IR output reaching >1.5 octaves at -30dB level from a subharmonic orientation-patterned GaAs OPO pumped by an ultrafast (62-fs)…”
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Octave-wide gallium phosphide OPO centered at 3 μm and pumped by an Er-fiber laser by Qitian Ru, Loparo, Zachary E., Xiaosheng Zhang, Crystal, Sean, Vasu, Subith, Schunemann, Peter G., Vodopyanov, Konstantin L.

“…We achieved 2.35-4.75 μm continuous spectrum from an Er-fiber pumped subharmonic OPO based on orientation-patterned GaP that is suitable for ultra-broad…”
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