The fluid enters axially but leaves radially outward (compressors/pumps) or inward (radial turbines). They deliver high pressure ratios per stage but handle lower flow volumes.
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To analyze or design any turbomachine stage, engineers construct velocity triangles at the inlet and exit. These triangles map three distinct velocity vectors: The fluid velocity relative to a fixed casing. Relative Velocity ( ): The fluid velocity relative to the rotating blade. Blade Velocity ( ): The linear speed of the moving blade ( The fluid enters axially but leaves radially outward
Nickel-based alloys designed to prevent "creep" (permanent deformation under prolonged high-temperature stress). These triangles map three distinct velocity vectors: The
Turbomachines: A Comprehensive Guide to Design, Selection, and Theory
High rotational speeds induce massive centrifugal stresses. Blade vibration modes must be carefully mapped via Finite Element Analysis (FEA) to avoid resonance and high-cycle fatigue.
Turbomachines are categorized by the direction of energy transfer and the direction of fluid flow.