Filters for Air Cleaning - Breathe Pure 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.

Gas turbine engines especially need air cleaner filters as cleaner air makes them significantly more efficient.

There are many methods which are used by air cleaner filters to remove unwanted particles from the air. The most common method is to use fiber elements in the air cleaner filter to which the dust and other particulate matter will stick to thereby cleaning the air.

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 can be grouped as either class one or class two air filters. The classification is done based on their flammability. Class one air filters produce a negligible small amount of smoke when burnt. They do not become fuel when they come in contact with flame. Class two filters are the exact opposite as they readily become fuel when in contact with flame. While they burn they produce significant amount of smoke. A lot of research is still being done into 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.

In an engine such a clogging would cause a drop in performance. Applications of air filters are wide and varied. Common applications of air cleaner filters include air conditioners for rooms and cars, internal combustion engines and gas turbines.

Paper is one of the most common materials that are used for air cleaner filters in automobiles. This is mainly because they are cost effective as well as efficient. Also these are easily replaceable. Oil wetted foam elements are also known to be used as air filters in automobiles. Foam was a known choice for air cleaners in many applications before the improvement in air cleaning technology.

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