Resultados - Kate Blumberg, ICCT (Español)

Ejemplos de mediciones de
particulas
Kate Blumberg
Reduccion claro en vehículos con filtro
Advanced Collaborative Emissions Study (ACES), HEI 2013.
El filtro: La única tecnología exitosa para
reducir número de partículas de diesel
“The usage of a wall-flow diesel particulate filter
leads to an extreme reduction of the emitted
particulate mass and number, approaching 100%.”
Fiebig, M., Wiartalla, A., Holderbaum, B. Y Kiesow S., 2014.
Particulate emissions from diesel engines: correlation between
engine technology and emissions. Journal of Occupational
Medicine and Toxicology.
Tartakovsky, L., at al., 2015. Ultrafine particle emissions by inuse diesel buses of various generations at low-load regimes.
Atmospheric Environment 107: 273-280.
P-Trak
 0 to 5x105 particles per cm3
 0.02 to 1 micrometer
 Condensation measurement counter,
good correlation with more robust
devices
 About a 25% lower measurement bias
for ambient and exhaust emissions
P-Trak
Field Comparison of P-Trak and Condensation Particle Counters,
Yifang Zhu, Nu Yu, Thomas Kuhn, and William C. Hinds, Aerosol
Science & Technology, 40:422-430, 2006
Ciudad de México: P-Trak
Source: Dr. Kaare Press-Kristensen, 2015
Un bus diesel sin filtro: 236,000 particles
per cm3
San Francisco, CA, September 23, 2016
Con filtro: 100s hasta 1000s: 3-4 ordenes
de magnitude abajo
Source: Dr. Kaare Press-Kristensen, 2015