Dynamic heterogeneous multiscale filtration model: Probing micro-and macroscopic filtration characteristics of gasoline particulate filters

J Gong, S Viswanathan, DA Rothamer… - Environmental …, 2017 - ACS Publications
Motivated by high filtration efficiency (mass-and number-based) and low pressure drop
requirements for gasoline particulate filters (GPFs), a previously developed heterogeneous …

Experimental investigation of the effect of inlet particle properties on the capture efficiency in an exhaust particulate filter

S Viswanathan, D Rothamer, A Zelenyuk… - Journal of Aerosol …, 2017 - Elsevier
The impact of inlet particle properties on the filtration performance of clean and particulate
matter (PM) laden cordierite filter samples was evaluated using PM generated by a spark …

Evolution of deep-bed filtration of engine exhaust particulates with trapped mass

S Viswanathan, DA Rothamer… - … Journal of Engine …, 2017 - journals.sagepub.com
Size-resolved particle mass and number concentrations were obtained from different
operating conditions using a spark-ignition direct-injection engine and a heavy-duty diesel …

Filtration characteristics of fuel neutral particulates using a heterogeneous multiscale filtration model

J Gong, CJ Rutland - Journal of Engineering for Gas …, 2015 - asmedigitalcollection.asme.org
Filtration characteristics of fuel neutral soot particulate were studied using a recently
developed heterogeneous multiscale filtration (HMF) model. In the HMF model, a probability …

Study of the deep-bed filtration using pore filtration model (PFM)

Y Yang, C Rutland, D Rothamer - SAE International Journal of Fuels and …, 2018 - JSTOR
To meet stringent emissions regulations, filtration devices are often used in engine exhaust
systems to reduce particulate mass (PM) and particulate number (PN). Diesel particulate …

Effect of particle size distribution on the deep-bed capture efficiency of an exhaust particulate filter

S Viswanathan, D Rothamer… - … for Gas Turbines …, 2015 - asmedigitalcollection.asme.org
The exhaust filtration analysis system (EFA) developed at the University of Wisconsin–
Madison was used to perform microscale filtration experiments on cordierite filter samples …

Experimental investigation of the effect of pore size distribution on nano-particle capture efficiency within ceramic particulate filters

S Viswanathan, ML Stewart, DA Rothamer - Emission Control Science and …, 2021 - Springer
The effect of the pore size distribution on size-resolved filtration efficiency was investigated
for two ceramic particulate filters using particulate matter (PM) generated by a spark-ignition …

Passive ammonia SCR and filtration modeling for fuel-neutral engine aftertreatment systems

J Gong - 2014 - search.proquest.com
Passive ammonia SCR system models including a TWC model and a SCR model are
developed. The TWC kinetic model is developed based on the engine dynamometer data …

[图书][B] Experimental investigation of deep-bed filtration of spark-ignited, direct-injection engine exhaust using ceramic particulate filters

S Viswanathan - 2016 - search.proquest.com
Gasoline particulate filters (GPFs) provide an effective means of reducing particulate matter
(PM) emissions from the SIDI exhaust. Filter pressure drop and filtration efficiency (FE) are …

Development of the capillary flow porometry technique for the characterization of gasoline particulate filter walls

J Molina, DA Rothamer - Engineering Research Express, 2019 - iopscience.iop.org
The capillary flow porometry (CFP) technique was studied and implemented for the
characterization of porous ceramic materials used in gasoline particulate filters (GPFs). To …