Article | REF: BM4561 V1

Compressible fluid turbines - Losses and how to reduce them

Author: Michel VINCENT DE PAUL

Publication date: January 10, 1998

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1. Reducing "lost earnings

1.1 Recuperation of kinetic energy output: diffusers

When designing an isolated or final stage, we aim to minimize this kinetic output energy under normal operating conditions. Some of this energy can then be recovered by installing a diffuser after the stage.

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1.1.1 The diffuser's role and recoverable energy

  • A diffuser is a duct designed so that the fluid slows down and undergoes subsonic recompression.

    The pressure just downstream of the stage...

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