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FABRIC FILTRATION WITH INTEGRAL PARTICLE CHARGING AND COLLECTION IN A COMBINED ELECTRIC AND FLOW FIELD. PART 2. DEVELOPMENT AND VERIFICATION OF THE MATHEMATICAL ENGINEERING DESIGN MODEL
Citation:
Plaks, N. FABRIC FILTRATION WITH INTEGRAL PARTICLE CHARGING AND COLLECTION IN A COMBINED ELECTRIC AND FLOW FIELD. PART 2. DEVELOPMENT AND VERIFICATION OF THE MATHEMATICAL ENGINEERING DESIGN MODEL. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/J-88/083 (NTIS PB88251731).
Description:
The paper discusses the development of a mathematical engineering design model to predict the nonuniform deposition of particulate matter and the relative pressure drop, compared to conventional filtration, of fabric filtration with integral particle charging and collection. For the model, the bag length is divided into a number of increments for each of which collections for the ESP and porous flow are computed separately. Turbulent flow within the bag requires the use of the Deutsch-Anderson relationship for the ESP collection. The relative pressure drop is calculated by first relating the computed areal density in each increment to the drag, which is resistance to flow. The predictions for small test bags, whose operation was outside the range of assumptions used for model development, were qualitatively correct. For large fabric filtration bags of the size used in practical industrial applications, whose operation is within the range of assumptions, the model provides reasonably-well quantified predictions.