Search Results - "Bambha, Ray P"

Integrated fiber optic incoherent broadband cavity enhanced absorption spectroscopy detector for near-IR absorption measurements of nanoliter samples by Gomez, Anthony L, Renzi, Ronald F, Fruetel, Julia A, Bambha, Ray P

“…An integrated fiber-optic sensor is described that uses incoherent broadband cavity enhanced absorption spectroscopy for sensitive detection of aqueous samples…”
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The Identity and Chemistry of C7H7 Radicals Observed during Soot Formation by Rundel, James A., Martí, Carles, Zádor, Judit, Schrader, Paul E., Johansson, K. Olof, Bambha, Ray P., Buckingham, Grant T., Porterfield, Jessica P., Kostko, Oleg, Michelsen, Hope A.

“…We used aerosol mass spectrometry coupled with tunable synchrotron photoionization to measure radical and closed-shell species associated with particle…”
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Distinguishing Gas-Phase and Nanoparticle Contributions to Small-Angle X‑ray Scattering in Reacting Aerosol Flows by Michelsen, Hope A., Campbell, Matthew F., Tran, Ich C., Johansson, K. Olof, Schrader, Paul E., Bambha, Ray P., Hammons, Joshua A., Schaible, Eric, Zhu, Chenhui, van Buuren, Anthony

“…We have developed a strategy for distinguishing between small-angle X-ray scattering (SAXS) from gas-phase species and newly formed nanoparticles in mixed gas-…”
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The Identity and Chemistry of C 7 H 7 Radicals Observed during Soot Formation by Rundel, James A, Martí, Carles, Zádor, Judit, Schrader, Paul E, Johansson, K Olof, Bambha, Ray P, Buckingham, Grant T, Porterfield, Jessica P, Kostko, Oleg, Michelsen, Hope A

“…We used aerosol mass spectrometry coupled with tunable synchrotron photoionization to measure radical and closed-shell species associated with particle…”
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Estimating methane emissions in California's urban and rural regions using multitower observations by Jeong, Seongeun, Newman, Sally, Zhang, Jingsong, Andrews, Arlyn E., Bianco, Laura, Bagley, Justin, Cui, Xinguang, Graven, Heather, Kim, Jooil, Salameh, Peter, LaFranchi, Brian W., Priest, Chad, Campos‐Pineda, Mixtli, Novakovskaia, Elena, Sloop, Christopher D., Michelsen, Hope A., Bambha, Ray P., Weiss, Ray F., Keeling, Ralph, Fischer, Marc L.

“…We present an analysis of methane (CH4) emissions using atmospheric observations from 13 sites in California during June 2013 to May 2014. A hierarchical…”
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Building Structure-Property Relationships of Cycloalkanes in Support of Their Use in Sustainable Aviation Fuels by Landera, Alexander, Bambha, Ray P., Hao, Naijia, Desai, Sai Puneet, Moore, Cameron M., Sutton, Andrew D., George, Anthe

“…In 2018 13.7 EJ of fuel were consumed by the global commercial aviation industry. Worldwide, demand will increase into the foreseeable future. Developing…”
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Estimating methane emissions from biological and fossil‐fuel sources in the San Francisco Bay Area by Jeong, Seongeun, Cui, Xinguang, Blake, Donald R., Miller, Ben, Montzka, Stephen A., Andrews, Arlyn, Guha, Abhinav, Martien, Philip, Bambha, Ray P., LaFranchi, Brian, Michelsen, Hope A., Clements, Craig B., Glaize, Pierre, Fischer, Marc L.

“…We present the first sector‐specific analysis of methane (CH4) emissions from the San Francisco Bay Area (SFBA) using CH4 and volatile organic compound (VOC)…”
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Effects of volatile coatings and coating removal mechanisms on the morphology of graphitic soot by Bambha, Ray P., Dansson, Mark A., Schrader, Paul E., Michelsen, Hope A.

“…We have measured morphological changes of combustion-generated mature soot with various quantities of hydrocarbon coating and different coating-removal…”
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Top‐down estimate of methane emissions in California using a mesoscale inverse modeling technique: The San Joaquin Valley by Cui, Yu Yan, Brioude, Jerome, Angevine, Wayne M., Peischl, Jeff, McKeen, Stuart A., Kim, Si‐Wan, Neuman, J. Andrew, Henze, Daven K., Bousserez, Nicolas, Fischer, Marc L., Jeong, Seongeun, Michelsen, Hope A., Bambha, Ray P., Liu, Zhen, Santoni, Gregory W., Daube, Bruce C., Kort, Eric A., Frost, Gregory J., Ryerson, Thomas B., Wofsy, Steven C., Trainer, Michael

“…We quantify methane (CH4) emissions in California's San Joaquin Valley (SJV) by using 4 days of aircraft measurements from a field campaign during May–June…”
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Toward verifying fossil fuel CO2 emissions with the CMAQ model: Motivation, model description and initial simulation by Liu, Zhen, Bambha, Ray P., Pinto, Joseph P., Zeng, Tao, Boylan, Jim, Huang, Maoyi, Lei, Huimin, Zhao, Chun, Liu, Shishi, Mao, Jiafu, Schwalm, Christopher R., Shi, Xiaoying, Wei, Yaxing, Michelsen, Hope A.

“…Motivated by the question of whether and how a state-of-the-art regional chemical transport model (CTM) can facilitate characterization of CO 2 spatiotemporal…”
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Effects of aggregate morphology and size on laser-induced incandescence and scattering from black carbon (mature soot) by Bambha, Ray P., Michelsen, Hope A.

“…We have used a Single-Particle Soot Photometer (SP2) to measure time-resolved laser-induced incandescence (LII) and laser scatter from combustion-generated…”
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Promotion of particle formation by resonance-stabilized radicals during hydrocarbon pyrolysis by Rundel, James A., Thomas, Charlotte M., Schrader, Paul E., Wilson, Kevin R., Johansson, K. Olof, Bambha, Ray P., Michelsen, Hope A.

“…We measured aerosol mass spectra and mobility size distributions of particles formed during the pyrolysis of ethylene, indene, and a mixture of ethylene with a…”
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Production of Aliphatic-Linked Polycyclic Hydrocarbons during Radical-Driven Particle Formation from Propyne and Propene Pyrolysis by Rundel, James A., Johansson, K. Olof, Schrader, Paul E., Bambha, Ray P., Wilson, Kevin R., Zádor, Judit, Ellison, G. Barney, Michelsen, Hope A.

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Soot-particle core-shell and fractal structures from small-angle X-ray scattering measurements in a flame by Michelsen, Hope A., Campbell, Matthew F., Johansson, K. Olof, Tran, Ich C., Schrader, Paul E., Bambha, Ray P., Cenker, Emre, Hammons, Joshua A., Zhu, Chenhui, Schaible, Eric, van Buuren, Anthony

“…We have characterized soot particles measured in situ in a laminar co-flow ethylene-air diffusion flame using small-angle X-ray scattering (SAXS). The analysis…”
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Production of Aliphatic-Linked Polycyclic Hydrocarbons during Radical-Driven Particle Formation from Propyne and Propene Pyrolysis by Rundel, James A., Johansson, K. Olof, Schrader, Paul E., Bambha, Ray P., Wilson, Kevin R., Zádor, Judit, Ellison, G. Barney, Michelsen, Hope A.

“…We investigated the pyrolysis of propyne and propene using aerosol mass spectrometry coupled with tunable synchrotron vacuum ultraviolet photoionization. The…”
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Distinguishing Gas-Phase and Nanoparticle Contributions to Small-Angle X-ray Scattering in Reacting Aerosol Flows by Michelsen, Hope A., Campbell, Matthew F., Tran, Ich C., Johansson, K. Olof, Schrader, Paul E., Bambha, Ray P., Hammons, Joshua A., Schaible, Eric, Zhu, Chenhui, van Buuren, Anthony

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Distinguishing Gas-Phase and Nanoparticle Contributions to Small-Angle X-ray Scattering in Reacting Aerosol Flows by Michelsen, Hope A., Campbell, Matthew F., Tran, Ich C., Johansson, K. Olof, Schrader, Paul E., Bambha, Ray P., Hammons, Joshua A., Schaible, Eric, Zhu, Chenhui, van Buuren, Anthony

“…We have developed a strategy for distinguishing between small-angle X-ray scattering (SAXS) from gas-phase species and newly formed nanoparticles in mixed gas-…”
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Jet-entrainment sampling: A new method for extracting particles from flames by Michelsen, Hope A., Boigné, Emeric, Schrader, Paul E., Johansson, K. Olof, Campbell, Matthew F., Bambha, Ray P., Ihme, Matthias

“…We have developed a new method for extracting particulates and gas-phase species from flames. This technique involves directing a small jet of inert gas…”
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Soot-particle core-shell and fractal structures from small-angle X-ray scattering measurements in a flame by Michelsen, Hope A., Campbell, Matthew F., Johansson, K. Olof, Tran, Ich C., Schrader, Paul E., Bambha, Ray P., Cenker, Emre, Hammons, Joshua A., Zhu, Chenhui, Schaible, Eric, van Buuren, Anthony

“…We have characterized soot particles measured in situ in a laminar co-flow ethylene-air diffusion flame using small-angle X-ray scattering (SAXS). The analysis…”
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Effects of volatile coatings on the laser-induced incandescence of soot by Bambha, Ray P., Dansson, Mark A., Schrader, Paul E., Michelsen, Hope A.

“…We have measured time-resolved laser-induced incandescence (LII) from combustion-generated mature soot extracted from a burner and (1) coated with oleic acid…”
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