Mechanical Engineering study materials and notes like Fluid mechanics,thermal engineering, material science etc.

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Saturday, April 25, 2020

Single stage centrifugal Compressor and multi stage Centrifugal Compressor?

Single stage Centrifugal Compressor

These type of compressors are considered to have an overhung impeller arrangements.

Multistage centrifugal Compressor

Multistage centrifugal Compressor consist of one to ten impellers and it can be arranged in a variety of low path configuration throughout each and every stage the temperature and Compression ratio are resume to be constant because the act of Compression heats up the gas there is a limit to how much gas pressure can be raised up across any given compression stage.
          Higher and Higher pressure can be achieved by placing multiple stages of Compression in series that is having the discharge of one stage of Compression feed the intake of the next stage an so on.
                              Multistaging is the term used whenever multiple stages are used to meet the pressure requirement of given application.
                  If the temperature from the one compression stage is predicted to get excessive then interstage cooling is required to drop the gas temperature to a safe level before entering to the next stage.
And problems with interstage cooling system can result in loss of flow, pressure, capability and in surging.

               Multistage centrifugal Compressor
   


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