There is a group working on emergency ventilator designs. One of the biggest unsolved problems is filtering the output to reduce exposure. (HEPA filtration material will be in high demand) I have been thinking about a design that uses the Thien baffle and the technique of saturation of sub-micron particles. The idea is to use air that is supersaturated with water to grow the particles so they are big enough to remove by momentum with a Thien cyclone baffle. In the one reference they talk about laminar flow. I don't know if that is essential. I can't post links. PM me if you want them
Step one: Take the exhaust from a vent run it into a Thien Cyclone.
Step two: Heat the air a bit and add humidity maybe from an ultrasonic humidifier.
Step three: Cool the air a bit to allow the air to become super saturated. Since the only remaining particles are the smallest ones they will become condensation nuclei.
Step four: wait for the particles to grow.
Step five: Run the air through a second Thien Cyclone.
Step six: Clean it regularly and add some bleach to the water collection chamber.
This would have basically no moving parts.
With the flow from a vent I don't know how big this should be.
Might be good if one filter set could work over a range of flows so that multiple vents exhaust into one filter.
There is also a position paper suggesting that air filtration in the room where patients are could reduce staff exposure to droplets from coughing.
This system would need a fan.
Thoughts?
Can anyone help?
Step one: Take the exhaust from a vent run it into a Thien Cyclone.
Step two: Heat the air a bit and add humidity maybe from an ultrasonic humidifier.
Step three: Cool the air a bit to allow the air to become super saturated. Since the only remaining particles are the smallest ones they will become condensation nuclei.
Step four: wait for the particles to grow.
Step five: Run the air through a second Thien Cyclone.
Step six: Clean it regularly and add some bleach to the water collection chamber.
This would have basically no moving parts.
With the flow from a vent I don't know how big this should be.
Might be good if one filter set could work over a range of flows so that multiple vents exhaust into one filter.
There is also a position paper suggesting that air filtration in the room where patients are could reduce staff exposure to droplets from coughing.
This system would need a fan.
Thoughts?
Can anyone help?