inertial separator

https://doi.org/10.1351/goldbook.I03029
Any dry type collector which utilizes the relatively greater inertia of particles to effect their removal from a gas stream; e.g. cyclonic and @I02989@ separators, gravity settling chambers and high-velocity gas reversal chambers.
Source:
PAC, 1990, 62, 2167. (Glossary of atmospheric chemistry terms (Recommendations 1990)) on page 2196 [Terms] [Paper]