Publications
Lobo, P., Condevaux, J., Yu, Z., Kuhlmann, J., Hagen, D.E., Miake-Lye, R.C., Whitefield, P.D., Raper, D.W., “Demonstration of a Regulatory Method for Aircraft Engine Nonvolatile PM Emissions Measurements with Conventional and Isoparaffinic Kerosene fuels”, Energy and Fuels (2016), Vol. 30, 7770-7777.
Durdina, L., Lobo, P., Trueblood, M.B., Black, E.A., Achterberg, S., Hagen, D.E., Brem, B.T., Wang, J., “Response of Real-Time Black Carbon Mass Instruments to Mini-CAST Soot”, Aerosol Science and Technology (2016), Vol. 50, 906-918.
Lobo, P., Christie, S., Khandelwal, B., Blakey, S.G, Raper, D.W., “Evaluation of Non-volatile Particulate Matter Emission Characteristics of an Aircraft Auxiliary Power Unit with varying Alternative Jet Fuel Blend Ratios”, Energy and Fuels (2015), Vol. 29, 7705-7711.
Lobo, P., Durdina, L., Smallwood, G.J., Rindlisbacher, T., Siegerist, F., Black, E.A., Yu, Z., Mensah, A.A., Hagen, D.E., Thomson, K.A., Miake-Lye, R.C., Brem, B.T., Corbin, J.C., Abegglen, M., Sierau, B., Whitefield, P.D., Wang, J., “Measurement of Aircraft Engine Non-volatile PM Emissions: Results from the Aviation - Particle Regulatory Instrumentation Demonstration Experiment (A-PRIDE) 4 Campaign”, Aerosol Science and Technology (2015), Vol. 49, 472-484.
Lobo, P., Hagen, D. E., Whitefield, P. D., Raper, D., “PM Emissions Measurements of In-Service Commercial Aircraft Engines during the Delta-Atlanta Hartsfield Study”, Atmospheric Environment (2015), Vol. 104, 237-245.
Durdina, L., Brem, B.T., Abegglen, M., Lobo, P., Rindlisbacher, T., Thomson, K.A., Smallwood, G.J., Hagen, D.E., Sierau, B., Wang, J., “Determination of PM mass emissions from an aircraft turbine engine using particle effective density”, Atmospheric Environment (2014), Vol. 99, 500-507.
Lobo, P., Hagen. D.E., and Whitefield, P.D., "Measurement and Analysis of Aircraft Engine PM Emissions downwind of an active runway at the Oakland International Airport", Atmospheric Environment (2012), Vol. 61, 114-123.
Rye, L., Lobo, P., Williams, P. I., Uryga-Bugajska, I., Christie, S., Wilson, C., Hagen, D., Whitefield, P., Blakey, S., Coe, H., Raper, D., and Pourkashanian, M., “Inadequacy of Optical Smoke Measurements for Characterisation of Non-Light Absorbing Particulate Matter Emissions from Gas Turbine Engines”, Combustion Science and Technology (2012), Vol. 184, No. 12, 2068-2083.
Lobo , P., Rye, L., Williams, P. I., Christie, S., Uryga-Bugajska, I., Wilson, C. W., Hagen, D. E., Whitefield, P. D., Blakey, S., Coe, H., Raper, D., and Pourkashanian, M., “Impact of Alternative Fuels on Emissions Characteristics of a Gas Turbine Engine - Part 1: Gaseous and Particulate Matter Emissions”, Environmental Science and Technology (2012), Vol. 46, No. 19, 10805-10811.
Williams, P. I., Allan, J.D., Lobo, P., Coe, H., Christie, S., Wilson, C., Hagen, D., Whitefield, P., Raper, D., and Rye, L. “Impact of Alternative Fuels on Emissions Characteristics of a Gas Turbine Engine - Part 2: Volatile and Semi-volatile Particulate Matter Emissions”, Environmental Science and Technology (2012), Vol. 46, No. 19, 10812 - 10819.
Christie, S., Raper, D., Lee, D. S., Williams, P. I., Rye, L., Blakey, S., Wilson, C. W., Lobo, P., Hagen, D., and Whitefield, P., “Polycyclic Aromatic Hydrocarbon Emissions from the Combustion of Alternative Fuels in a Gas Turbine Engine”, Environmental Science and Technology (2012), Vol. 46, No. 11, 6393-6400.
Kinsey, J.S., Timko, M.T., Herndon, S.C., Wood, E.C., Yu, Z., Miake-Lye, R.C., Lobo, P., Whitefield, P., Hagen D., Wey, C., Anderson, B.E., Beyersdorf, A.J., Hudgins, C.H., Thornhill, K.L., Winstead, E., Howard, R., Bulzan, D.I., Tacina, K.B., Knighton, W.B., “Determination of the emissions from an aircraft auxiliary power unit (APU) during the Alternative Aviation Fuel Experiment (AAFEX)”, Journal of the Air and Waste Management Association (2012), Vol. 62, No. 4, 420-430.
Lobo, P., Hagen, D. E., and Whitefield, P. D., “Comparison of PM Emissions from a Commercial Jet Engine Burning Conventional, Biomass, and Fischer–Tropsch Fuels”, Environmental Science and Technology (2011), Vol. 45, No. 24, 10744-10749.
Bulzan, D. Anderson, B., Wey, C., Howard, R., Winstead, E., Beyersdorf, A., Corporan, E., DeWitt, M.J., Klingshirn, C., Herndon, S., Miake-Lye, R., Timko, M., Wood, E., Tacina, K.M., Liscinsky, D., Hagen, D., Lobo, P., and Whitefield, P., “Gaseous and Particulate Emissions Results of the NASA Alternative Aviation Fuel Experiment (AAFEX)”, Proceedings of ASME Turbo Expo 2010: Power for Land, Sea and Air, Glasgow, Scotland, June 8-12, 2010 [GT2010-23524], 1195-1207.
Banerjee, A., Trueblood, M. B., Zhang, X., Manda, K. R., Lobo, P., Whitefield, P. D., Hagen, D. E., and Ercal, N., “N-acetylcysteineamide (NACA) prevents inflammation and oxidative stress in animals exposed to diesel exhaust particles”, Toxicology Letters (2009), Vol. 187, No. 3, 187-193.
Hagen, D.E., Lobo, P., Whitefield, P.D., Trueblood, M.B., Alofs, D.J ., and Schmid, O., “Performance Evaluation for a Fast Mobility-Based Particle Spectrometer for Aircraft Exhaust Particles”, Journal of Propulsion and Power (2009), Vol. 25, No. 3, 628-634.
Scott C. Herndon, John T. Jayne, Prem Lobo, Tim Onasch, Gregg Fleming, Donald E. Hagen, Philip D. Whitefield, and Richard C. Miake-Lye, “Commercial Aircraft Engine Emissions Characterization of in-Use Aircraft at Hartsfield-Jackson Atlanta International Airport”, Environmental Science and Technology (2008), Vol. 42, 1877-1883
Whitefield, P.D., P. Lobo, and D.E. Hagen, 2007: PM Emissions from Advected Aircraft Plumes at the Oakland International Airport. In Sausen, R., A. Blum, D.S. Lee and C. Brüning (eds.): Proceedings of an International Conference on Transport, Atmosphere and Climate (TAC). Luxembourg, Office for Official Publications of the European Communities, ISBN 92-79-04583-0, 95-100.
Hagen, D.E., P. Lobo, and P.D. Whitefield, 2007: Physical Characterization of PM Emissions from In-Service Commercial Gas Turbine Engines – Projects APEX and JETS APEX2. In Sausen, R., A. Blum, D.S. Lee and C. Brüning (eds.): Proceedings of an International Conference on Transport, Atmosphere and Climate (TAC). Luxembourg, Office for Official Publications of the European Communities, ISBN 92-79-04583-0, 247-251.
Chowen C. Wey; Bruce A. Anderson; Changlie Wey; Richard C. Miake-Lye; Philip Whitefield; Robert Howard, “Overview on the Aircraft Particle Emissions eXperiment (APEX)”, Journal of Propulsion and Power (2007), Vol. 23, No. 5, 898-905
Prem Lobo; Donald E. Hagen; Philip D. Whitefield; Darryl J. Alofs, “Physical Characterization of Aerosol Emissions from a Commercial Gas Turbine Engine”, Journal of Propulsion and Power (2007), Vol. 23, No. 5, 919-929
K D. Brundish; A R. Clague; C W. Wilson; R C. Miake-Lye; R C. Brown; J Wormhoudt; S P. Lukachko; A T. Chobot; C K. Yam; I A. Waitz; D E. Hagen; O Schmid; P D. Whitefield, “Evolution of Carbonaceous Aerosol and Aerosol Precursor Emissions Through a Jet Engine”, Journal of Propulsion and Power (2007), Vol. 23, No. 5, 959-970
Schmid, O., E. Karg, D. Hagen, P. Whitefield, and G. Ferron, “On the effective density of non-spherical particles as derived from combined measurements of aerodynamic and mobility equivalent size”, J. Aerosol Sci. (2007), Vol. 38, 431-443.
P. Whitefield, D. Hagen and P. Lobo, “ PM Gas Turbine Emission Measurements from Field Studies using the UMR Approach – APEX and “The Airport Study” ”, AIAA 3rd International Energy Conversion Engineering Conference, San Francisco, CA, August 15, 2005 [AIAA-2005-5528]
Janakiraman, A.; Issac, K.; Whitefield, P.; Hagen, D., “A numerical thermophoretic model for nanoparticle deposition in an aerosol sampling probe”, 17th AIAA Computational Fluid Dynamics Conference, Toronto, Canada, June 2005 [AIAA 2005-5351]
Schmid, O., Hagen, D.E., Whitefield, P.D., Trueblood, M.B., Rutter, A.P., Lilenfeld, H.V., “Methodology for Particle Characterization in the Exhaust Flows of Gas Turbine Engines”, Aerosol Sci. Technol. (2004), Vol. 38, 2004, 1108-1122
Schmid, O.; Trueblood, M.B.; Gregg, N.; Hagen, D.E.; Whitefield, P.D., "Sizing of aerosol in gases other than air using a differential mobility analyzer", Aerosol Sci. Technol., Vol.36, 2002, 351-360.
Schmid, O.; Eimer, B.; Hagen, D.E.; Whitefield, P.D., "Investigation of volatility method for measuring aqueous sulfuric acid on mixed aerosols", Aerosol Sci. Technol., Vol. 36, 2002, 877-889.
Paladino, J. D.; Hagen, D. E.; Whitefield, P. D.; Hopkins, A. R.; Schmid, O.; Wilson, M. R.; Schlager, H.; Schulte, P. (2000), “Observations of particulates within the North Atlantic Flight Corridor: POLINAT 2, September-October 1997”, J. Geophys. Res., Vol. 105, 3719-3726
Hagen, D., Whitefield, P., Paladino, J., Schmid, O., Schlager, H. and Schulte, P., "Atmospheric aerosol measurements in the North Atlantic flight corridor during project POLINAT-2", J. Aerosol Sci., Vol. 30, 1999, 161-162.
Paladino, J., Whitefield, P., Hagen, D., Hopkins, A., and Trueblood, M.,“Particle concentration characterization for jet engine emissions under cruise conditions” Geophys. Res. Letts., Vol. 25,1998, 1697-1700
Hagen, D., Whitefield, P., Paladino, J., Trueblood, M. and Lilenfeld, H., "Particulate sizing and emission indices for a jet engine exhaust sampled at cruise", Geophys. Res. Letts., Vol. 25,1998, 1681-1684
Hagen, D.E., Paladino, J., Whitefield, P.D., Trueblood, M.B., and Lilenfeld, H.V., "Airborne and ground based jet engine aerosol emissions sampling during two NASA field projects: SUCCESS and SNIF", J. Aerosol Sci., Vol. 28, 1997, S67-S68.
Hagen, D.E., and Whitefield, P.D., "Particulate emissions in the exhaust plume from commercial jet aircraft under cruise conditions", J. Geophys. Res. Atmos., Vol. 101, 1996, 19551-19557
Hagen, D.E., Trueblood, M.B., and White, D.R., "Hydration Properties of Combustion Aerosols", Aerosol Sci. Technol., Vol. 10, 1989, 63-69.