Measurement methods for vehicle-emitted particulate matter (PM) have evolved as vehicle emission standards have become more stringent. For example, the filter-based gravimetric method has been demonstrated feasible to measure emissions at levels below 1 mg/mi from light-duty vehicles. However, while regulatory methods and instruments for measuring PM emissions are rigorous and accurate, there is a need to continue evaluating alternatives for use in the laboratory, as well as simple and robust instruments for screening that can be used for detecting high emissions on the roadside and evaluating the effectiveness of repairs in support of inspection and maintenance (I/M) programs. This study investigated the performance of an aerosol diffusion charger (TSI Electrical Aerosol Detector) by comparing its raw signal (aerosol active surface area) and its conversion to particle number and mass emission rates with those reported or calculated from a multi-channel electrometer-based particle size spectrometer (TSI Engine Exhaust Particle Sizer) and various condensation particle counters (CPCs). Four light-duty vehicles were tested, including gasoline port fuel injection (PFI), gasoline direct injection (GDI), and a diesel vehicle equipped with a diesel particulate filter (DPF). Results show that the diffusion charger was responsive over a wide particle size and concentration range, exhibiting sufficient signal-to-noise ratio during transient measurements of the gasoline PFI vehicle and light-duty diesel vehicle with a DPF (both certified below 1 mg/mi). High sensitivity at low concentrations suggests that the diffusion charger may have potential for identifying failures of emission control systems at lower concentrations than methods designed to report real-time suspended particle number or mass metrics directly. Systematic and fundamental data from our study underscore the challenge with “black box” equipment calibrated to calculate total particle number and mass from surface area measurements based on constant unimodal fit parameters. Future work could focus on the applications from deploying active surface area monitors at the roadside or for using surface area measurements to evaluate repair effective in support of I/M programs.
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Apte, J.S., Brauer, M., Cohen, A.J., Ezzati, M., Pope III, C.A.: Ambient PM2.5 reduces global and regional life expectancy. Environmental Science & Technology Letters. 5(9), 546–551 (2018)
Robinson, A.L., Donahue, N.M., Shrivastava, M.K., Weitkamp, E.A., Sage, A.M., Grieshop, A.P., Lane, T.E., Pierce, J.R., Pandis, S.N.: Rethinking organic aerosols: semivolatile emissions and photochemical aging. Science. 315(5816), 1259–1262 (2007)
CARB (1998). Particulate Emissions from Diesel-Fueled Engines as a Toxic Air Contaminant
IARC: Diesel Engine Exhaust Carcinogenic. Lyon, France (2012)
CARB (2012). Development of Particulate Matter Mass Standards for Future Light-Duty Vehicles, in LEV III PM, Technical Support Document
EPA, U. (2013). EPA Proposes Tier 3 Tailpipe and Evaporative Emission and Vehicle Fuel Standards, Office of Transportation and Air Quality
Yang, J., Pham, L., Johnson, K. C., Durbin, T. D., Karavalakis, G., Kittelson, D., Jung, H. (2020). Impacts of exhaust transfer system contamination on particulate matter measurements. Emission Control Science and Technology:1–15
Swanson, J., Pham, L., Xue, J., Durbin, T., Russell, R., Miller, W., Kittelson, D., Jung, H., Johnson, K.: Uncertainty in gravimetric analysis required for LEV III light-duty vehicle PM emission measurements. SAE Int. J. Engines. 11(3), 349–362 (2018)
Bischof, O.F.: Recent developments in the measurement of low particulate emissions from mobile sources: a review of particle number legislations. Emission Control Science and Technology. 1(2), 203–212 (2015)
Herner, J. D., Robertson, W. H., Ayala, A. (2007). Investigation of Ultrafine Particle Number Measurements from a Clean Diesel Truck Using the European PMP Protocol, SAE Technical Paper
Zheng, Z., Durbin, T.D., Karavalakis, G., Johnson, K.C., Chaudhary, A., Cocker III, D.R., Herner, J.D., Robertson, W.H., Huai, T., Ayala, A.: Nature of sub-23-nm particles downstream of the European particle measurement programme (PMP)-compliant system: a real-time data perspective. Aerosol Sci. Technol. 46(8), 886–896 (2012)
Zheng, Z., Johnson, K.C., Liu, Z., Durbin, T.D., Hu, S., Huai, T., Kittelson, D.B., Jung, H.S.: Investigation of solid particle number measurement: existence and nature of sub-23 nm particles under PMP methodology. J. Aerosol Sci. 42(12), 883–897 (2011)
Bainschab, M., Bergmann, A., Karjalainen, P., Keskinen, J., Andersson, J., Mamakos, A., Giechaskiel, B., Haisch, C., Piacenza, O., Ntziachristos, L. (2017). Extending Particle Number Limits to below 23 nm: First Results of the H2020 DownToTen Project, in 2017 ETH-Conference on Combustion Generated Nanoparticles, 3644–3652
Melas, A., Koidi, V., Deloglou, D., Daskalos, E., Zarvalis, D., Papaioannou, E., Konstandopoulos, A.: Development and evaluation of a catalytic stripper for the measurement of solid ultrafine particle emissions from internal combustion engines. Aerosol Sci. Technol. 54(6), 704–717 (2020)
Lao, C.T., Akroyd, J., Eaves, N., Smith, A., Morgan, N., Bhave, A., Kraft, M.: Modelling particle mass and particle number emissions during the active regeneration of diesel particulate filters. Proc. Combust. Inst. 37(4), 4831–4838 (2019)
Kirchner, U., Vogt, R., Maricq, M. (2010). Investigation of EURO-5/6 Level Particle Number Emissions of European Diesel Light Duty Vehicles, SAE Technical Paper
Maricq, M.M., Szente, J., Loos, M., Vogt, R.: Motor vehicle PM emissions measurement at LEV III levels. SAE Int. J. Engines. 4(1), 597–609 (2011)
Chang, M.-C.O., Shields, J.E.: Evaluation of solid particle number and black carbon for very low particulate matter emissions standards in light-duty vehicles. J. Air Waste Manage. Assoc. 67(6), 677–693 (2017)
Maricq, M.M., Szente, J.J., Harwell, A.L., Loos, M.J.: Impact of aggressive drive cycles on motor vehicle exhaust PM emissions. J. Aerosol Sci. 113, 1–11 (2017)
CARB (2015). An Update on the Measurement of PM Emissions at LEV III Levels
Pham, L., Yang, J., Johnson, K., Durbin, T., Karavalakis, G., Miller, W., Kittelson, D., Jung, H.S.: Evaluation of partial flow dilution systems for very low PM mass measurements. Emission Control Science and Technology. 4(4), 247–259 (2018)
Xue, J., Johnson, K., Durbin, T., Russell, R., Pham, L., Miller, W., Swanson, J., Kittelson, D., Jung, H.: Very low particle matter mass measurements from light-duty vehicles. J. Aerosol Sci. 117, 1–10 (2018)
Pandis, S.N., Baltensperger, U., Wolfenbarger, J.K., Seinfeld, J.H.: Inversion of aerosol data from the epiphaniometer. J. Aerosol Sci. 22(4), 417–428 (1991)
Keller, A., Fierz, M., Siegmann, K., Siegmann, H., Filippov, A.: Surface science with nanosized particles in a carrier gas. J. Vac. Sci. Technol. A. 19(1), 1–8 (2001)
Wilson, W.E., Stanek, J., Han, H.-S., Johnson, T., Sakurai, H., Pui, D.Y., Chen, D.-R., Duthie, S.: Use of the electrical aerosol detector as an indicator of the surface area of fine particles deposited in the lung. J. Air Waste Manage. Assoc. 57(2), 211–220 (2007)
Xue, J., Li, Y., Quiros, D., Hu, S., Huai, T., Ayala, A., Jung, H.S.: Investigation of alternative metrics to quantify PM mass emissions from light duty vehicles. J. Aerosol Sci. 113, 85–94 (2017)
Pegasor (2018). White Paper PPS-M
Amanatidis, S., Ntziachristos, L., Samaras, Z., Janka, K., Tikkanen, J. (2013). Applicability of the Pegasor Particle Sensor to Measure Particle Number, Mass and PM Emissions, SAE Technical Paper
Amanatidis, S., Maricq, M.M., Ntziachristos, L., Samaras, Z.: Measuring number, mass, and size of exhaust particles with diffusion chargers: the dual Pegasor particle sensor. J. Aerosol Sci. 92, 1–15 (2016)
Whitby, K. T. (1967). Sonic jet ionizer, Google Patents
Medved, A., Dorman, F., Kaufman, S., Pöcher, A.: A new corona-based charger for aerosol particles. J. Aerosol Sci. 31, S616–S617 (2000)
Mirme, S., Mirme, A.: The mathematical principles and design of the NAIS—a spectrometer for the measurement of cluster ion and nanometer aerosol size distributions. Atmospheric Measurement Techniques. 6(4), 1061–1071 (2013)
Li, Y., Xue, J., Johnson, K., Durbin, T., Villela, M., Pham, L., Hosseini, S., Zheng, Z., Short, D., Karavalakis, G. (2014). Determination of Suspended Exhaust PM Mass for Light-Duty Vehicles, SAE Technical Paper
Pham, L., Jung, H.S.: Alternative metrics for spatially and temporally resolved ambient particle monitoring. J. Aerosol Sci. 102, 96–104 (2016)
Hatch, T., Choate, S.P.: Statistical description of the size properties of non uniform particulate substances. Journal of the Franklin Institute. 207(3), 369–387 (1929)
Steppan, J., Henderson, B., Johnson, K., Khan, M. Y., Diller, T., Hall, M., Lourdhusamy, A., Allmendinger, K., Matthews, R. D. (2011). Comparison of an on-Board, Real-Time Electronic PM Sensor with Laboratory Instruments Using a 2009 Heavy-Duty Diesel Vehicle, SAE Technical Paper
Zervas, E., Dorlhène, P.: Comparison of exhaust particle number measured by EEPS, CPC, and ELPI. Aerosol Sci. Technol. 40(11), 977–984 (2006)
Swanson, J.J., Kittelson, D.B., Watts, W.F., Gladis, D.D., Twigg, M.V.: Influence of storage and release on particle emissions from new and used CRTs. Atmos. Environ. 43(26), 3998–4004 (2009)
Giechaskiel, B., Maricq, M., Ntziachristos, L., Dardiotis, C., Wang, X., Axmann, H., Bergmann, A., Schindler, W.: Review of motor vehicle particulate emissions sampling and measurement: from smoke and filter mass to particle number. J. Aerosol Sci. 67, 48–86 (2014)
Maricq, M.M., Szente, J.J., Harwell, A.L., Loos, M.J.: How well can aerosol instruments measure particulate mass and solid particle number in engine exhaust? Aerosol Sci. Technol. 50(6), 605–614 (2016)
Premnath, V., Khalek, I. A., Morgan, P. (2018). Relationship among Various Particle Characterization Metrics Using GDI Engine Based Light-Duty Vehicles, SAE Technical Paper
Quiros, D.C., Zhang, S., Sardar, S., Kamboures, M.A., Eiges, D., Zhang, M., Jung, H.S., Mccarthy, M.J., Chang, M.-C.O., Ayala, A.: Measuring particulate emissions of light duty passenger vehicles using integrated particle size distribution (IPSD). Environmental science & technology. 49(9), 5618–5627 (2015b)
Quiros, D.C., Hu, S., Hu, S., Lee, E.S., Sardar, S., Wang, X., Olfert, J.S., Jung, H.S., Zhu, Y., Huai, T.: Particle effective density and mass during steady-state operation of GDI, PFI, and diesel passenger cars. J. Aerosol Sci. 83, 39–54 (2015a)
Maricq, M.M., Xu, N.: The effective density and fractal dimension of soot particles from premixed flames and motor vehicle exhaust. J. Aerosol Sci. 35(10), 1251–1274 (2004)
Jung, H., Kittelson, D.B.: Characterization of aerosol surface instruments in transition regime. Aerosol Sci. Technol. 39(9), 902–911 (2005)
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Jung, H., Quiros, D., Li, Y. et al. Application of a Diffusion Charger to Quantify Real-Time Particle Emissions from Light-Duty Vehicles: a Comparison Study with a Particle Size Spectrometer. Emiss. Control Sci. Technol. 7, 41–55 (2021). https://doi.org/10.1007/s40825-020-00179-7
- Screening tool
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