MattGardner42

Filter Testing Apparatus 1.0

Apparatus rough layout: -dual particle counters -dual valves suggested by Bill -pre/post filter flow/pressure measurement -use of polystyrene microsphere particle solution -aerosolized particles with nebulization

Revise setup with anemometers and additional valve.

Other filtration setups seen on web... https://www.nbcnews.com/health/health-news/making-your-own-face-mask-some-fabrics-work-better-others-n1175966 https://www.businessinsider.com/homemade-mask-using-hydro-knit-shop-towel-filters-better-2020-4 https://nypost.com/2020/04/04/shop-towels-filter-better-than-t-shirts-for-diy-coronavirus-masks/

TESTING EQUIPMENT RENTALS www.eco-rentalsolutions.com Fit Testers TSI 8030 Portacount Pro Respirator Fit Tester TSI 8038 Portacount Pro Respirator Fit Tester TSI 8040 Portacount Respirator Fit Tester TSI 8048 Portacount Respirator...

Added valve per Bill's suggestion

Cyclone and Dust Collection Research https://billpentz.com/woodworking/cyclone/cyclone_plan.cfm#air_volume _"For **fine wood dust such as created when using fine sandpaper, we only need about 50 FPM airspeed to overcome normal room air currents...