Transcription of Axial-Flow Compressors
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Axial-Flow Compressors
Introduction The Compressors in most gas turbine applications, especially units over 5MW, use axial fl ow Compressors . An axial fl ow compressor is one in which the fl ow enters the compressor in an axial direction (parallel with the axis of rotation), and exits from the gas turbine, also in an axial direction. The axial-fl ow compressor compresses its working fl uid by fi rst accelerating the fl uid and then diffusing it to obtain a pressure increase. The fl uid is accelerated by a row of rotating airfoils (blades) called the rotor, and then diffused in a row of stationary blades (the stator).
noted by their circular base. The adjustable stators allow the stator to be positioned to the correct flow angle leaving the blades as the air mass flow varies with load and inlet temperature. Fig. 3. Axial Flow Compressor Stators located in the casing
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