Air filter | Wikipedia audio article
Channel: wikipedia tts
Date: 2019-10-02

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Air_filter


00:01:13 1 HEPA filters
00:02:19 2 Automotive cabin air filters
00:03:41 3 Internal combustion engine air filters
00:04:47 3.1 Paper
00:05:54 3.2 Foam
00:06:55 3.3 Cotton
00:07:27 3.4 Stainless steel
00:08:02 3.5 Oil bath
00:09:58 3.6 Water bath
00:10:37 4 Bulk solids handling filters
00:11:43 5 Filter classes
00:12:14 6 See also



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Voice name: en-US-Wavenet-E


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SUMMARY
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A particulate air filter is a device composed of fibrous or porous materials which removes solid particulates such as dust, pollen, mold, and bacteria from the air. Filters containing an adsorbent or catalyst such as charcoal (carbon) may also remove odors and gaseous pollutants such as volatile organic compounds or ozone. Air filters are used in applications where air quality is important, notably in building ventilation systems and in engines.
Some buildings, as well as aircraft and other human-made environments (e.g., satellites and space shuttles) use foam, pleated paper, or spun fiberglass filter elements. Another method, air ionizers, use fibers or elements with a static electric charge, which attract dust particles. The air intakes of internal combustion engines and air compressors tend to use either paper, foam, or cotton filters. Oil bath filters have fallen out of favor. The technology of air intake filters of gas turbines has improved significantly in recent years, due to improvements in the aerodynamics and fluid dynamics of the air-compressor part of the gas turbines.