The Development of a High Efficiency Diesel Exhaust Particulate Filter 800338

Several materials have been evaluated for their potential as a filter medium in a high-efficiency diesel exhaust particulate filter. One material, a graphite treated woven fiberglass cloth, was chosen for further development work. The filtration and backpressure characteristics of this material were examined over a wide range of face velocities and exhaust particle loadings. From these results an equation to estimate the required filter area for a given engine application, desired service interval and maximum backpressure was developed.


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