Theoretical and experimental research of device for ultrafine particulate matter agglomeration

Abstract

This paper analyses the theoretical model of a newly designed and developed ultrafine solid-particle (USP) agglomeration device. The purpose of the device is to agglomerate particulate matter (PM) using acoustic excitation. The main goal of numerical modelling is to achieve a sound pressure level in the agglomeration zone sufficient for particle agglomeration. The numerical modelling showed that the sound pressure level required for particle agglomeration is reached within the device. This has also been shown by the results of experimental studies showing. Experimental studies of the device have shown that ultrafine PM (in the range of 0.5 to 8 μm) under the influence of acoustic excitation has decreased 2.7 times compared to the results without acoustic excitation. The purpose of this work is to show that the theoretical model developed is suitable for the design of an efficient acoustic agglomeration device.