Abstract
The main objective of this study was to investigate the optimal design parameters of a multi-stage porous plate system, numerically and experimentally. Characteristics of pressure drop and collection efficiency are analyzed with the operation parameters such as the stage number, plate interval, hole diameter and system inlet velocity, etc. In the results, pressure drops of a 5 stage system (2, 2, 3, 2, 2 mm) at v s, in=1.0, 1.2 m/s are shown as 296, 428 mmH2O by the numerical simulation and 259, 399 mmH2O in the experiment. For 5 stage (2, 2, 3, 2, 2 mm) and v s, in=1.0 m/s, the overall collection efficiencies with the plate interval 4, 10, 15 mm are estimated as 99.5, 96.0, 92.8% computationally and 97.9, 89.2, 85.3%, showing slightly lower efficiency compared to the numerical results due to the particle rescattering effect, experimentally.
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