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Air Cleaner Filters - Purify Your Air

Air cleaner filters are used to purify the air. This is a common piece of equipment used in cars and small rooms where there is a need of recycling the present air. Most commonly air cleaner filters are devices that remove solid particles from the air like dust pollen mould and also harmful microbes like bacteria and keep the air fresh and clean.

For gas turbine engines to work efficiently they need cleaner air. Air filters fitted in gas turbines help achieve this purpose.

Different systems and methods are used to remove harmful particles from the air. One of the popular methods employed is the use of fiber elements imbedded in the air filter. As air passes through dust and particles stick to the fiber and only clean air passes through.

There exist yet other intricate techniques such as the use of static electric charge. This method uses static electrical current to attract particles and dust from the air thus filtering the air. In the past there was also the use of oil bath filters but modernization and improved technology have made this redundant.

There have been many significant improvements in air cleaner filter technology due to advancement in fluid sciences. These filters are most important in gas turbines and in air conditions that help to preserve the human health. Paper foam and cotton filters are also most commonly used in the air cleaner filters. These air filters should be cleaned or changed at regular periods of time to ensure the optimum performance of the engine.

Air filters fall under two categories based on their flammability. Class one and class two is used to describe the different classes of flammable air filters. Class one filters do not turn into fuel when in any contact with a flame and so produce small amounts of smoke when burnt. Class two filters become fuel when a flame is introduced and thus produce larger amounts of smoke when being burnt. Considerable amount of research is carried about the flammability of air filters.

Air filter come in shapes and sizes matching the air flow area. As they work to clean the air they easily get clogged with dirt from the air. They thus need regular cleaning and changing. This clogging reduces the efficiency of the air filters, causes impure air to pas through and reduces air flow.

For an engine this could mean serious drop in the performance of the engine. The size of the air filter also depends on the passage of air. There are different applications of the air filters but the most common application would be in internal combustion engines, gas turbines and air conditioners for both cars and rooms.

Paper is a cost effective air filter material and thus commonly used for air cleaner filters in cars. They are also very efficient and very easy to replace. Another air filter material used as automobile air filters are oil wetted foam elements. Foam was a popular common air filter material used in many applications before the advancement in air cleaning technology.

By: Marsha Raven

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