AAAR 37th Annual Conference October 14 - October 18, 2019 Oregon Convention Center Portland, Oregon, USA
Abstract View
A Numerical Study for Pressure Drop Across a Two-Stage HEPA Filter
Wonyoung Jeon, Byong Hyeok Lee, Jong Cheol Kim, Sanghyeon Kang, Hyunjun Yun, YOUNGJIN SEO, Kumoh National Institute of Technology
Abstract Number: 70 Working Group: Control and Mitigation Technology
Abstract High-efficiency particulate air (HEPA) filters are used in many fields such as medical, industrial, and military. The filter is the form of a pleated filter by densely bending the flat media rather than that of the form of flat media. It is used as a single stage. In this study, a numerical method is employed to predict the pressure drop through the filter in many different conditions. The ultimate purpose of this study is to predict the pressure drop of the two-stage HEPA filter. The size of HEPA filter is 361*277*25 (L*W*H) mm and its pleat pitch is 3.8 mm. The glades of the filter used in the study are H10, H11, H12, and H13. The facial velocities are 0.5, 0.75, and 1 m/s. The resistances of the filter in each condition are predicted and then pressure differentials across the filter in the conditions are numerically calculated. Characterization of the two-stage HEPA filter is being conducted and the results will be reported during presentation.