This content is not included in your SAE MOBILUS subscription, or you are not logged in.
Developments in Cyclone Filtration of Diesel Exhaust Particulates
Published April 08, 1992 by Associazione Tecnica Dell'Automobile in Italy
Event: 3rd International Conference Innovation and Reliability in Automotive Design and Testing (1992)
A single, tangential-entry, reverse-flow cyclone was installed in the exhaust pipe of a 2.5 liter, direct-injection diesel engine, to allow experiments to be performed on the cyclone filtration of diesel particulates. Particulate growth in the exhaust system was induced by cooling the exhaust gases as they passed through a heat exchanger and changes in the particulate size distribution were measured. The heat exchanger and cyclone performance were quantified as a function of engine speed and load, exhaust gas recirculation and degree of cooling. Overall the results offer some promise that a multicyclone arrangement with pre-cyclone particulate treatment may allow a 50% collection efficiency to be achieved.