Modelling pressure drop in HEPA filters during dynamic filtration

D Thomas, P Contal, V Renaudin, P Penicot… - Journal of aerosol …, 1999 - Elsevier
… uranine and for different filtration velocities. The rise in pressure drop can be described
according … filtration does not precisely predict the pressure drop evolution for the 0.26 μm aerosol. …

An assessment on average pressure drop and dust-holding capacity of hollow-fiber membranes in air filtration

P Bulejko, O Krištof, M Dohnal - Membranes, 2021 - mdpi.com
… dust to simulate particle-polluted air. We measured pressure drop development of the membranes
at … using various average pressure drop models and compared with average pressure

Filter pleating design for cabin air filtration

DR Chen, DYH Pui, YM Tang - 1996 - sae.org
pressure drop point is shifted toward the lower pressure drop region with less pleat count.
The effect is shown clearly in Figure 2 for each fixed approaching velocity. Similar effects have …

[PDF][PDF] Investigation of air humidity affecting filtration efficiency and pressure drop of vehicle cabin air filters

B Xu, Y Wu, Z Lin, Z Chen - Aerosol and Air Quality Research, 2014 - aaqr.org
… The averaged filtration efficiency and pressure drop were … increases in filtration efficiency
(up to 15%) and pressure drop (… Filtration efficiency increased ~15% and pressure drop

Electrostatic air filtration by multifunctional dielectric heterocaking filters with ultralow pressure drop

E Tian, F Xia, J Wu, Y Zhang, J Li… - Acs Applied Materials & …, 2020 - ACS Publications
… In summary, we demonstrated dielectric HC filters with ultralow pressure drop for efficient
electrostatic multifunctional air filtration. The idea is, while loading normal filters with high-ε r …

Factors influencing pressure drop through a dust cake during filtration

YH Cheng, CJ Tsai - Aerosol Science and Technology, 1998 - Taylor & Francis
… with respect to filtration velocity and its … filtration theory. The Kozeny-Carman equation
has been used widely to calculate the pressure drop across dust cake deposited on a filtration

[HTML][HTML] Advances in air filtration technologies: Structure-based and interaction-based approaches

S Han, J Kim, SH Ko - Materials Today Advances, 2021 - Elsevier
… advance air filtration technologies to overcome the trade-off relationship between filtration
efficiency and pressure drop. This review discusses recent progress in air filtration technology …

Air filtration in the free molecular flow regime: a review of high‐efficiency particulate air filters based on carbon nanotubes

P Li, C Wang, Y Zhang, F Wei - Small, 2014 - Wiley Online Library
air filters based on CNTs can potentially overcome the inherent limitation in the trade-off
between the filtration efficiency and pressure drop … in a high pressure drop during air filtration. …

The relationship between filter pressure drop, indoor air quality, and energy consumption in rooftop HVAC units

M Zaatari, A Novoselac, J Siegel - Building and Environment, 2014 - Elsevier
… between filter pressure drop and fan pressure, airflow rate, … estimate the impact of filter pressure
drop on cooling capacity and … and air quality performance of different filtration efficiencies …

[PDF][PDF] Performance and cost of particle air filtration technologies

D Faulkner - Indoor air, 2001 - escholarship.org
… For the time average pressure drop across the filter, we averaged the initial and final
pressure drop. Values of 0.9 and 0.75 were used for the motor efficiency and fan efficiency, …