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Air Filter Terms
–
The retention of gas, liquid or solid on a surface due to positive interaction/attraction
between the surface and the molecules of the adsorbed material.
– A term that refers
to any particles or substances floating in the air.
– A current of air.
– A normal substance
that causes an acute defensive reaction in a person’s immune system.
– An air filter’s
ability to remove synthetic dust from the air during a test.
– A backward surge
of pressure from downstream to upstream of an air filter. Backpressure
can be the result of closing a valve or air entrapped in a liquid system.
– International
professional designation available through training and testing by the
Association of Energy Engineers (AEE).
– Family
of chemicals used as refrigerants, being tightly regulated and phased
out of production due to stratospheric ozone depletion potential. Examples:
R-11, R-12, R-113, R-114, R-115.
– The prevention
of an agent from being transmitted from one point to another.
– An unwanted
intrusion, such as harmful airborne particles.
– The removal
of unwanted airborne particles to neutralize the air.
– The permeable
material that removes particles from a substance being filtered.
– Particles
passing through an air filter without being removed from the air stream.
– The product that
is filtered.
– A term
that refers to the amount of pollutants in the air within a confined space.
– A filament, grid or
porous body in an ion engine or other device that strips an electron from
the outer shell of a neutral atom to form a positively charged ion.
– A continuous matrix
with pores of defined size.
– Pressure
in an area that is responsible for the inflow of air.
– A molecule containing
three atoms of oxygen. Ozone is harmful to both humans and plants at ground
level, but is crucial in blocking ultraviolet radiation in the stratosphere.
– A very small solid
suspended in air or water that can vary in size, shape, density and electrical
charge.
– Pressure
in an area that is responsible for the outflow of air.
– In the case
of air filters, a measure of the resistance of air to flow through a filter.
– The direction that
is in opposition to the airflow.
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