KSB Centrifugal Pump

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14 years after the first and 9 years after the second slightly revised edition of KSB’s Centrifugal Pump Lexicon you now have the third, thoroughly revised edition of this technical reference book in your hands. Where updating was required, the contents were brought up to the state of the art; new technical standards were taken into account, and the range of technical terms was extended, however without changing the well-proven layout of this lexicon.

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Absolute Velocity

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The concept of a.v. is used predominantly in the design of fluid flow machines. The a.v. is the velocity v of a particle of fluid in relation to its stationary surroundings (e.g. pump casing). The a.v., together with the relative velocity w and the circumferential velocity u forms the velocity triangle.

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