Dynamic Response in Transient Operation of a Variable Geometry Turbine Stage: Influence of the Aerodynamic Performance

Figure 5

Final operating point and reactivity of the stage for three opening configurations of the stator.

(a) Efficiency as a function of the mass-flow for the final operating point

(b) Response time as a function of the mass-flow of the final operating point: comparison of the theoretical prediction (12) and experimental results