id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
cord-032188-y02b92pe	Xu, Zhonglin	Characteristics of Air Filters	2013-08-14		.txt	text/plain	17707	1050	63	When the air filter is operated under lower flow rate, the efficiency increases and the pressure drop decreases. This is because the dust deposited is comparatively large for air filters with low efficiency and the filter medium is sparse, which will cause particles to penetrate when pressure drop increases and cause deposited particles to rebound and resuspend. Particle counting efficiency of glass fibrous medium-efficiency air filter (d f ¼ 16 μm, H ¼ 20 mm, α ¼ 0.037, v ¼ 0.28 m/s) with atmospheric dust was performed at Institute of HVAC of China Academy of Building Research, which is shown in Table 4 .13. The pressure drop of nuclear microporous membrane is large, so it is not suitable for common air filter, but it is very useful for special filtration (for the application field where particles with diameter larger than certain value are not allowed to penetrate).	./cache/cord-032188-y02b92pe.txt	./txt/cord-032188-y02b92pe.txt