1988-02-01

A Thermal Regeneration Model for Monolithic and Fibrous Diesel Particulate Traps 880007

A generalized model describing oxidation in a porous substance is developed and applied to the thermal regeneration of both monolithic and fibrous diesel particulate traps. With typical engine and trap data the regeneration process is analysed using the model. A parametric study demonstrates how the exhaust gas oxygen concentration, flow rate and initial trap particulate loading affect the regeneration time and peak trap temperatures. The model is shown to be in reasonable agreement with published experimental results.

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