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Modelling Pressure Losses in Gasoline Particulate Filters in High Flow Regimes and Temperatures
Technical Paper
2019-01-2330
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
This study presents a one-dimensional model for the prediction of the pressure loss across a wall-flow gasoline particulate filter (GPF). The model is an extension of the earlier models of Bissett [1] and Konstandopoulos and Johnson [2] to the turbulent flow regime, which may occur at high flow rates and temperatures characteristic of gasoline engine exhaust. A strength of the proposed model is that only one parameter (wall permeability) needs to be calibrated. An experimental study of flow losses for cold and hot flow is presented, and a good agreement is demonstrated. Unlike zero-dimensional models, this model provides information about the flow along the channels and thus can be extended for studies of soot and ash accumulation, heat transfer and reaction kinetics.
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Citation
Prantoni, M., Aleksandrova, S., Medina, H., Saul, J. et al., "Modelling Pressure Losses in Gasoline Particulate Filters in High Flow Regimes and Temperatures," SAE Technical Paper 2019-01-2330, 2019, https://doi.org/10.4271/2019-01-2330.Data Sets - Support Documents
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