Search Results - "Davidovits, Paul"

Radiative absorption enhancements by black carbon controlled by particle-to-particle heterogeneity in composition by Fierce, Laura, Onasch, Timothy B., Cappa, Christopher D., Mazzoleni, Claudio, China, Swarup, Bhandari, Janarjan, Davidovits, Paul, Fischer, D. Al, Helgestad, Taylor, Lambe, Andrew T., Sedlacek, Arthur J., Smith, Geoffrey D., Wolff, Lindsay

“…Black carbon (BC) absorbs solar radiation, leading to a strong but uncertain warming effect on climate. A key challenge in modeling and quantifying BC’s…”
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Relationship between Oxidation Level and Optical Properties of Secondary Organic Aerosol by Lambe, Andrew T., Cappa, Christopher D., Massoli, Paola, Onasch, Timothy B., Forestieri, Sara D., Martin, Alexander T., Cummings, Molly J., Croasdale, David R., Brune, William H., Worsnop, Douglas R., Davidovits, Paul

“…Brown carbon (BrC), which may include secondary organic aerosol (SOA), can be a significant climate-forcing agent via its optical absorption properties…”
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Radiative Absorption Enhancements Due to the Mixing State of Atmospheric Black Carbon by Cappa, Christopher D., Onasch, Timothy B., Massoli, Paola, Worsnop, Douglas R., Bates, Timothy S., Cross, Eben S., Davidovits, Paul, Hakala, Jani, Hayden, Katherine L., Jobson, B. Tom, Kolesar, Katheryn R., Lack, Daniel A., Lerner, Brian M., Li, Shao-Meng, Mellon, Daniel, Nuaaman, Ibraheem, Olfert, Jason S., Petäjä, Tuukka, Quinn, Patricia K., Song, Chen, Subramanian, R., Williams, Eric J., Zaveri, Rahul A.

“…Atmospheric black carbon (BC) warms Earth's climate, and its reduction has been targeted for near-term climate change mitigation. Models that include forcing…”
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Adsorptive uptake of water by semisolid secondary organic aerosols by Pajunoja, Aki, Lambe, Andrew T., Hakala, Jani, Rastak, Narges, Cummings, Molly J., Brogan, James F., Hao, Liqing, Paramonov, Mikhail, Hong, Juan, Prisle, Nønne L., Malila, Jussi, Romakkaniemi, Sami, Lehtinen, Kari E. J., Laaksonen, Ari, Kulmala, Markku, Massoli, Paola, Onasch, Timothy B., Donahue, Neil M., Riipinen, Ilona, Davidovits, Paul, Worsnop, Douglas R., Petäjä, Tuukka, Virtanen, Annele

“…Aerosol climate effects are intimately tied to interactions with water. Here we combine hygroscopicity measurements with direct observations about the phase of…”
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Particle Morphology and Density Characterization by Combined Mobility and Aerodynamic Diameter Measurements. Part 1: Theory by DeCarlo, Peter F., Slowik, Jay G., Worsnop, Douglas R., Davidovits, Paul, Jimenez, Jose L.

“…Different on-line submicron particle sizing techniques report different "equivalent diameters." For example, differential mobility analyzers (DMAs) report…”
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Formation of refractory black carbon by SP2-induced charring of organic aerosol by Sedlacek, Arthur J., Onasch, Timothy B., Nichman, Leonid, Lewis, Ernie R., Davidovits, Paul, Freedman, Andrew, Williams, Leah

“…Black carbon (BC) in the atmosphere continues to be a focus of research because its lightabsorptive properties put it second only to CO2 as a warming agent of…”
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Measurement and modeling of the multiwavelength optical properties of uncoated flame-generated soot by Forestieri, Sara D, Helgestad, Taylor M, Lambe, Andrew T, Renbaum-Wolff, Lindsay, Lack, Daniel A, Massoli, Paola, Cross, Eben S, Dubey, Manvendra K, Mazzoleni, Claudio, Olfert, Jason S, Sedlacek III, Arthur J, Freedman, Andrew, Davidovits, Paul, Onasch, Timothy B, Cappa, Christopher D

“…Optical properties of flame-generated black carbon (BC) containing soot particles were quantified at multiple wavelengths for particles produced using two…”
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Mass Accommodation and Chemical Reactions at Gas−Liquid Interfaces by Davidovits, Paul, Kolb, Charles E, Williams, Leah R, Jayne, John T, Worsnop, Douglas R

“…This paper focuses on the kinetics of interactions at gas/liquid interfaces. The basic phenomena are reviewed and a model is presented. Results of experiments…”
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Update 1 of: Mass Accommodation and Chemical Reactions at Gas−Liquid Interfaces by Davidovits, Paul, Kolb, Charles E, Williams, Leah R, Jayne, John T, Worsnop, Douglas R

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Ambient aerosol sampling using the Aerodyne Aerosol Mass Spectrometer by Jimenez, Jose L., Jayne, John T., Shi, Quan, Kolb, Charles E., Worsnop, Douglas R., Yourshaw, Ivan, Seinfeld, John H., Flagan, Richard C., Zhang, Xuefeng, Smith, Kenneth A., Morris, James W., Davidovits, Paul

“…The Aerodyne Aerosol Mass Spectrometer (AMS) has been designed to measure size‐resolved mass distributions and total mass loadings of volatile and semivolatile…”
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Mixing state evolution of agglomerating particles in an aerosol chamber: Comparison of measurements and particle-resolved simulations by Shou, Chenchao, Riemer, Nicole, Onasch, Timothy B., Sedlacek, Arthur J., Lambe, Andrew T., Lewis, Ernie R., Davidovits, Paul, West, Matthew

“…This article presents a validation study of the stochastic particle-resolved aerosol model PartMC with experimental data from an aerosol chamber experiment…”
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Development of an Aerosol Mass Spectrometer for Size and Composition Analysis of Submicron Particles by Jayne, John T., Leard, Danna C., Zhang, Xuefeng, Davidovits, Paul, Smith, Kenneth A., Kolb, Charles E., Worsnop, Douglas R.

“…The importance of atmospheric aerosols in regulating the Earth's climate and their potential detrimental impact on air quality and human health has stimulated…”
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An Inter-Comparison of Instruments Measuring Black Carbon Content of Soot Particles by Slowik, Jay G., Cross, Eben S., Han, Jeong-Ho, Davidovits, Paul, Onasch, Timothy B., Jayne, John T., Williams, Leah R., Canagaratna, Manjula R., Worsnop, Douglas R., Chakrabarty, Rajan K., Moosmüller, Hans, Arnott, William P., Schwarz, Joshua P., Gao, Ru-Shan, Fahey, David W., Kok, Gregory L., Petzold, Andreas

“…Inter-comparison studies of well-characterized fractal soot particles were conducted using the following four instruments: Aerosol Mass Spectrometer-Scanning…”
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Absorption Enhancement of Coated Absorbing Aerosols: Validation of the Photo-Acoustic Technique for Measuring the Enhancement by Lack, Daniel A., Cappa, Christopher D., Cross, Eben S., Massoli, Paola, Ahern, Adam T., Davidovits, Paul, Onasch, Timothy B.

“…A photo-acoustic absorption spectrometer (PAS) and a cavity ring down aerosol extinction spectrometer (CRD-AES) were used, in conjunction with Mie Theory, to…”
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Numerical Characterization of Particle Beam Collimation: Part II Integrated Aerodynamic-Lens-Nozzle System by Zhang, Xuefeng, Smith, Kenneth A., Worsnop, Douglas R., Jimenez, Jose L., Jayne, John T., Kolb, Charles E., Morris, James, Davidovits, Paul

“…As a sequel to our previous effort on the modeling of particle motion through a single lens or nozzle, flows of gas-particle suspensions through an integrated…”
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Particle Morphology and Density Characterization by Combined Mobility and Aerodynamic Diameter Measurements. Part 2: Application to Combustion-Generated Soot Aerosols as a Function of Fuel Equivalence Ratio by Slowik, Jay G., Stainken, K., Davidovits, Paul, Williams, L. R., Jayne, J. T., Kolb, C. E., Worsnop, Douglas R., Rudich, Y., DeCarlo, Peter F., Jimenez, Jose L.

“…Composition, shape factor, size, and fractal dimension of soot aerosol particles generated in a propane/O 2 , flame were determined as a function of the fuel…”
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Effect of Thermodenuding on the Structure of Nascent Flame Soot Aggregates by Bhandari, Janarjan, China, Swarup, Onasch, Timothy, Wolff, Lindsay, Lambe, Andrew, Davidovits, Paul, Cross, Eben, Ahern, Adam, Olfert, Jason, Dubey, Manvendra, Mazzoleni, Claudio

“…The optical properties (absorption and scattering) of soot particles depend on soot size and index of refraction, but also on the soot complex morphology and…”
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The deposition ice nucleation and immersion freezing potential of amorphous secondary organic aerosol: Pathways for ice and mixed-phase cloud formation by Wang, Bingbing, Lambe, Andrew T., Massoli, Paola, Onasch, Timothy B., Davidovits, Paul, Worsnop, Douglas R., Knopf, Daniel A.

“…Secondary organic aerosol (SOA) generated from the oxidation of organic gases are ubiquitous in the atmosphere, but their interaction with water vapor and…”
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Laboratory study of the heterogeneous ice nucleation on black-carbon-containing aerosol by Nichman, Leonid, Wolf, Martin, Davidovits, Paul, Onasch, Timothy B, Zhang, Yue, Worsnop, Doug R, Bhandari, Janarjan, Mazzoleni, Claudio, Cziczo, Daniel J

“…Soot and black carbon (BC) particles are generated in the incomplete combustion of fossil fuels, biomass, and biofuels. These airborne particles affect air…”
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The Cooling Rate- and Volatility-Dependent Glass-Forming Properties of Organic Aerosols Measured by Broadband Dielectric Spectroscopy by Zhang, Yue, Nichman, Leonid, Spencer, Peyton, Jung, Jason I, Lee, Andrew, Heffernan, Brian K, Gold, Avram, Zhang, Zhenfa, Chen, Yuzhi, Canagaratna, Manjula R, Jayne, John T, Worsnop, Douglas R, Onasch, Timothy B, Surratt, Jason D, Chandler, David, Davidovits, Paul, Kolb, Charles E

“…Glass transitions of secondary organic aerosols (SOA) from liquid/semisolid to solid phase states have important implications for aerosol reactivity, growth,…”
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