Losses and energy balance of a turbomachine
Turbomachines. Energy analysis with applications
Article REF: BM4283 V2
Losses and energy balance of a turbomachine
Turbomachines. Energy analysis with applications

Authors : Michel PLUVIOSE, Christelle PÉRILHON

Publication date: August 10, 2019 | Lire en français

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1. Losses and energy balance of a turbomachine

1.1 Loss classification

Turbomachinery losses can be classified in two different ways:

  • if we consider their physical nature, they are subdivided into :

    • aerodynamic vane (or hydraulic) losses, the main cause of which is the viscosity of the fluid, and which are mainly manifested in any fixed or moving channel by a head loss term (§ 1.2.1 );

    • disc friction losses (§

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