University of California, Riverside

Aerosol Cloud



Publications


  1. Short, D., Vu, D., Durbin, T., Asa-Awuku, A. Components of Particle Emissions from Light- Duty Spark-Ignition Vehicles with Varying Aromatic Content and Octane Rating in Gasoline. Env. Sci. & Tech.. (Submitted 08/10/2014.)
  2. Karavalakis, G., Short, D., Russell, R., Jung, H., Johnson, K.C., Asa-Awuku, A., Durbin, T. Assessing the Impacts of Ethanol and Iso-Butanol Impacts on Gaseous and Particulate Emissions from Flexible Fuel Vehicles. Env. Sci. & Tech. (Submitted 07/17/2014)
  3. Short, D., Vu, D., Durbin, T., Karavalakis, G., Asa-Awuku, A. Particle Speciation of Emissions from Iso-Butanol and Ethanol Blended Gasoline in Light-Duty Spark-Ignition Vehicles. J. of Aerosol Science. (Submitted 06/24/2014)
  4. Giordano, M., Espinoza, C., Asa-Awuku, A. 2014. Experimentally measured morphology of biomass burning aerosol and its impacts on CCN ability. Atmos. Chem. Phys. Discuss., 14, 12555-12589, doi:10.5194/acpd-14-12555-2014, 2014 (Online)
  5. Tan, C. L. C., Gao, S. Wee, B. S.,  Asa-Awuku, A. and  B. J. Thio, Adhesion of Dust Particles to Common Indoor Surfaces in Air-Conditioned Environment. Aerosol Science and Technology. Vol. 48: 5 p.541-551. , doi: 10.1080/02786826.2014.898835, 2014 (Online)
  6. X. Tang, D. Price, E. Praske, D. Vu, K. Purvis-Roberts, P. J. Sliva, D. R. Cocker, and A. Asa-Awuku. CCN Activity of Two Aliphatic Amine Secondary Aerosol. Atmospheric Chemistry and Physics. 5959-5967, doi:10.5194/acp-14-5959-2014, 2014 (Online)
  7. Short, D. Z.,  M. R. Giordano,Y. Zhu, P. M. Fine, A. Polidori and A. Asa-Awuku.  A Unique On-line Method tto Water-Insoluble Particle Contributions. Aerosol Science and Technology. Vol. 48: 7 p.706-714. 9p, doi;10.1080/02786826.2014.916778, 2014 (Online)
  8. Karavalakis, G., Short, D., Vu, D., Villela, M., Asa-Awuku, A., Durbin, T. Evaluating the regulated emissions, air toxics, ultrafine particles, and black carbon from SI-PFI and SI-DI vehicles operating on different ethanol and iso-butanol blends. Fuel. Vol. 128: p.410-421., 2014 (Online)
  9. Giordano, M., Asa-Awuku, A. Rebuttal to Correspondence on “Changes in Droplet Surface Tension Affect the Observed Hygroscopicity of Photochemically Aged Biomass Burning Aerosol”. Env. Sci. & Tech. Vol. 48: 3 p.2084-2085, doi:10.1021/es405374r, 2014 (Online)
  10. Kreidenweis, S.M and A. Asa-Awuku.  Aerosol Hygroscopcity: Particle Water Content and its Role in Atmospheric Processes, Treatise on Geochemistry 2nd Edition. Editors: H. D. Holland, K.K. Turekian. Elseiver. Oxford. Vol. 5: p.331-361, 2014 (Online)
  11. Clark, C. H. , S. Nakao, A. Asa-Awuku, K. Sato, and D. R. Cocker. Real-time study of particle-phase products from α-pinene ozonolysis and isoprene photo-oxidation using particle into liquid sampling directly coupled to a time of flight mass spectrometer (PILS-ToF), Aerosol Sci. & Tech., 47 (12), doi: 10.1080/02786826.2013.844333, 2013 (Online)
  12. Giordano, M. R., D. Z. Short, E. Hosseini, W. Lichtenberg, and  A. Asa-Awuku. Changes in Droplet Surface Tension Affect the Observed Hygroscopicity of POnlinehotochemically Aged Biomass Burning Aerosol. Env. Sci. & Tech. doi:10.1021/es401867j, 2013 (Online).
  13. Tang, X., D. Price, E. Praske, S. A. Lee, M. A. Shattuck, K. Purvis-Roberts, P. Silva, A. Asa-Awuku, and D. R. Cocker III. NO3 radical, OH radical and O3- initiated secondary aerosol formation from aliphatic amines- salt formation and the effect of water vapor. Atmos. Environ. 72, 105–112, 2013 (Online
  14. S. Nakao, P. Tang, X.Tang, C. H. Clark, L. Qi, E. Seo, A. Asa-Awuku, D. R. Cocker III. Density and elemental ratios of secondary organic aerosol: application of a density prediction method. Atmos.Environment, 68,  273 -277, 2013 (Online)
  15. Tang, X., Cocker III, D. R., and Asa-Awuku, A.: Are sesquiterpenes a good source of secondary organic cloud condensation nuclei (CCN)? Revisiting β-caryophyllene CCN, Atmos. Chem. Phys., 12, 8377-8388, doi:10.5194/acp-12-8377-2012, 2012. (Online)
  16. M. Y. Khan, M. Giordano , J. Gutierrez, W. A. Welch, A. Asa-Awuku, J. W. Miller, D. R. Cocker III, Benefits of Two Mitigation Strategies for Container Vessels: Cleaner Engines and Cleaner Fuels, Environmental Science and Technology. Environ. Sci. Technol., 2012, 46 (9), pp 5049–5056 DOI: 10.1021/es2043646 (Online)
  17. Tang, X.,  Z. Zheng, H S. Jung, A. Asa-Awuku. The Effects of Mainstream and Sidestream Environmental Tobacco Smoke Composition for Enhanced Condensational Droplet Growth by Water Vapor. Aerosol Science and Technology, Vol. 46, Iss. 7, 2012 (Online)
  18. Asa-Awuku, A.,  R. Moore, A. Nenes, R. Bahreini, C. A. Brock, A. Middlebrook, J. Holloway , T. Ryerson, J. Jimenez, P. DeCarlo , A. Hecobian, R. Weber , D. Tanner , R. Stickel and L. G. Huey ''Airborne Cloud Condensation Nuclei Measurements during the 2006 Texas Air Quality Study'' J. Geophys. Res., 116, D11201, doi:10.1029/2010JD014874.  (Online)
  19. Zheng, Z., X. Tang, A. Asa-Awuku, H. Jung, Characterization of a Method for Aerosol Generation from Heavy Fuel Oil (HFO) as an Alternative to Emissions from Ship Diesel Engines, Journal of Aerosol Science, 41(12), 1143-1151, 2010 (Online)
  20. Asa-Awuku, A., Nenes, A., Gao, S., Flagan, R. C., and Seinfeld, J. H.: Water-soluble SOA from Alkene ozonolysis: composition and droplet activation kinetics inferences from analysis of CCN activity, Atmos. Chem. Phys., 10, 1585-1597, 2010. (Online)
  21. Asa-Awuku, A., M. A. Miracolo, J. H. Kroll, A. L. Robinson, and N. M. Donahue,  Mixing and phase partitioning of primary and secondary organic aerosols, Geophys. Res. Lett., 36, L15827, doi:10.1029/2009GL039301, 2009 (Online)
  22. Asa-Awuku, A., G. J. Engelhart., B.H. Lee, S.N. Pandis and   A. Nenes, Relating CCN activity, volatility, and droplet growth kinetics of β-caryophyllene secondary organic, Atmospheric Chemistry and Physics, 9, 795-812, 2009 (Online)
  23. Engelhart G. J., A. Asa-Awuku, A. Nenes and S. N. Pandis,  CCN activity and droplet growth kinetics of fresh and aged monoterpene secondary organic aerosol, Atmospheric Chemistry and Physics, 8, 3937-3949, 2008 (Online)
  24. Asa-Awuku, A., A. P. Sullivan,  C.J. Hennigan, R. J. Weber and A. Nenes, Investigation of Molar Volume and Surfactant Characteristics of water-soluble Organic Compounds in Biomass Burning Aerosol, Atmospheric Chemistry and Physics, 8, 799-812, 2008 (Online)
  25. Padró, L.T., A. Asa-Awuku, R. Morisson,  and A. Nenes, Inferring Thermodynamic Properties from CCN Activation Experiments a) Single-component and Binary Aerosols, Atmospheric Chemistry and Physics, 7, 5263-5274 , 2007 (Online)
  26. Asa-Awuku, A., and A. Nenes (2007), Effect of solute dissolution kinetics on cloud droplet formation: Extended Koehler theory, Journal of Geophysical. Research., 112, D22201, 2007  doi:10.1029/2005JD006934 (Online)

   Conference Papers:

  1. Karavalakis, G., Short, D., Chen, V., Espinoza, C., Berte, T., Durbin, T., Asa-Awuku, A., Jung, H. 2014. “Evaluating Particulate Emissions from a Flexible Fuel Vehicle with Direct Injection When Operated on Ethanol and Iso-butanol Blends”, SAE Technical Paper, Accepted 2014 (Online)
  2. Karavalakis, G., Short, D., Vu, D., Villela, M., Russell, R., Jung, H., Asa-Awuku, A., and Durbin, T. “Regulated Emissions, Air Toxics, and Particle Emissions from SI-DI Light-Duty Vehicles Operating on Different Iso-Butanol and Ethanol Blends”, SAE Int. J. Fuels Lubr. 7(1):183-199, 2014, doi:10.4271/2014-01-1451.(Online)
  3. Li, Y., Jian, X., Johnson, K., Durbin, T., Villela, M., Pham, L., Hosseini, E., Short, D., Asa-Awuku, A., Karavalakis, G., Quiros, D., Hu, S., Huai, T., Ayala, A., Jung, H. Determination of Suspended Exhaust PM Mass for Light-Duty Vehicles, SAE Technical Paper 2014-01-1594, 2014, doi:10.4271/2014-01-1594. (Online)
  4. Karavalakis, G., Short, D., Hajabeibi, M., Vu, D., Villela, M., Russell, R., Durbin, T., Asa-Awuku, A. 2013. Criteria Emissions, Particle Number Emissions, Size Distributions, and Black Carbon Measurements from PFI Gasoline Vehicles Fuelled with Different Ethanol and Butanol Blends . SAE, doi:10.4271/2013-01-1147. 10p. Detroit, Michigan. 04/08/2013 (Online)
 

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University of California, Riverside
900 University Ave.
Riverside, CA 92521
Tel: (951) 827-1012

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Bourns College of Engineering
A319 Bourns Hall

Tel: (951)827-2859
Fax: (951)827-5696
E-mail: akua@engr.ucr.edu

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