air compressor and its basic operation

May 14th, 2015
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An air compressor does most of its work during the compression stroke. This adds energy to the air by increasing its pressure. Compression also generates heat, however, and the amount of work required to compress a quantity of air to a given pressure depends on how fast this heat is removed.

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air compressorWriting SkillsAir compressorAir CompressorAn air compressor does most of its work during the compression stroke. This adds energy to the air by increasing its pressure. Compression also generates heat, however, and the amount of work required to compress a quantity of air to a given pressure depends on how fast this heat is removed. The compression work done will lie between the theoretical work requirements of two processes. Adiabatic-a process having no cooling; the heat remains in the air, causing a pressure rise that increases compression work requirements to a maximum value.Isothermal-a process that provides perfect cooling; thus, there is no change in air temperature and the work required for compression is held to a minimum.The difference in the amount of work required to compress air to 100 psi by these two processes is about 36 percent. Most industrial air compressors are near adiabatic, since the process is too fast to allow much heat to escape through the compressor casing.Air Compressors: Basic Operation:-An air compressor operates by converting mechanical energy into pneumatic energy via compression. The input energy could come from a drive

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