Cyclonic separation sampler
|Within Vocab||SeaVoX Device Catalogue|
|Alternative Labels||Cyclonic separation sampler|
|Definition||A device designed to remove particulates from an air, gas or liquid stream through vortex separation. A high speed rotating flow is established within a vertical cylindrical or conical container, where the stream to be separated is fed in the top (wide) end, flows helically around the container to the bottom (narrow) end and then exits the cyclone in a straight stream through the centre and out the top. Instead of following the flow of the stream, the inertia of large (dense) particles causes them to hit the sides of the container and fall to the bottom, where they can be removed. The cyclone geometry and flow rate define a cut point, which is the size of the particle that will be removed from the stream with 50% efficiency. Larger particles will be removed with a greater efficiency and smaller particles with a lower efficiency. The sampler may be used in series with filters designed to collect different target particles.|
|Has Current Version||1|
||continuous air samplers||Mapping: 473142|
||British Oceanographic Data Centre, Liverpool||Mapping: 1448542|
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