DPF Regeneration using MW

N. Manivannan [1], N. Alozie [1], D. Brennan [1], M. Abbod [1], W. Balachandran [1]
[1]Brunel University, Kingston Road, Uxbridge, United Kingdom
Published in 2015

A new microwave cavity for the regeneration of DPF regeneration was proposed and COMSOL Multiphysics® FEM model was used to investigate heating properties of the Silicon Carbide (SiC) based DPF. Electric field profile and thermal profile of the microwave cavity and DPF was established for various dimensions of microwave cavity for a given DPF size and the results were investigated. Microwave frequency used in the experiments and COMSOL Multiphysics simulations was 2.45GHz. It was found a cylindrical cavity (diameter of 153mm and length of 533mm) gives a set of optimal dimensions for the regeneration of a commercial DPF (143mm (diameter) x 183mm (length) in terms of near homogeneous electric field distribution.