Electret fibrous filter media achieve high efficiencies while maintaining low air flow resistance by incorporating electrostatic charges on their fibers. However, captured ultrafine particles reduce electrostatic effects. Existing test methods specify preconditioning to detect the minimum efficiency by eliminating electrostatic effects. ASHRAE 52.2 exposes media to nanoparticle KCl aerosols. ISO/TS21220 and EN779 immerse media in isopropyl alcohol (IPA). These approaches have some problems: - Nanoparticle generation is fairly complicated and needs to be kept under control; - The structure of some media may be changed by liquid immersion; - Soaking full scale air filters requires large amounts of IPA. A new procedure, exposure to IPA vapor, ...
Electret filters are electrostatically charged nonwovens which are commonly used in aerosol filtrati...
In the pursuit of economic growth and a higher standard of living, the increase in industrialization...
Ldays, the quality ofvehicle's cabin air has become one of the health concerns a lffiers. Typical ai...
Electret fibrous air filter media achieve high efficiencies while maintaining low air flow resistanc...
Air filters are chosen for the minimum particle-capture efficiency they can provide in a specific ap...
A series of experiments by air purification on fibrous filtering nozzles was made. It is experimenta...
Clean air is a global health concern. Each year more than seven million people across the globe peri...
The behavior of most HVAC system components has been quantified with accuracy sufficient to allow me...
Current international standards dealing with efficiency test for filters and filter media focus on m...
Performance of a fibrous filter is mainly dependent on the size of the aerosolparticles, the velocit...
particulate matter from a gas stream. Rational design of the filtration process should be based on r...
A series of experiments by air purification on fibrous filtering nozzles was made. It is experimenta...
The filtration of airborne nanoparticles is an important control technique as the environmental, hea...
Epidemiological and toxicological studies demonstrate that ultrafine particles (UFPs) are strongly r...
Abstract The versatility of nanofibrous polymeric materials makes them attractive for developing res...
Electret filters are electrostatically charged nonwovens which are commonly used in aerosol filtrati...
In the pursuit of economic growth and a higher standard of living, the increase in industrialization...
Ldays, the quality ofvehicle's cabin air has become one of the health concerns a lffiers. Typical ai...
Electret fibrous air filter media achieve high efficiencies while maintaining low air flow resistanc...
Air filters are chosen for the minimum particle-capture efficiency they can provide in a specific ap...
A series of experiments by air purification on fibrous filtering nozzles was made. It is experimenta...
Clean air is a global health concern. Each year more than seven million people across the globe peri...
The behavior of most HVAC system components has been quantified with accuracy sufficient to allow me...
Current international standards dealing with efficiency test for filters and filter media focus on m...
Performance of a fibrous filter is mainly dependent on the size of the aerosolparticles, the velocit...
particulate matter from a gas stream. Rational design of the filtration process should be based on r...
A series of experiments by air purification on fibrous filtering nozzles was made. It is experimenta...
The filtration of airborne nanoparticles is an important control technique as the environmental, hea...
Epidemiological and toxicological studies demonstrate that ultrafine particles (UFPs) are strongly r...
Abstract The versatility of nanofibrous polymeric materials makes them attractive for developing res...
Electret filters are electrostatically charged nonwovens which are commonly used in aerosol filtrati...
In the pursuit of economic growth and a higher standard of living, the increase in industrialization...
Ldays, the quality ofvehicle's cabin air has become one of the health concerns a lffiers. Typical ai...