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

Figure 7

Agreement between theoretical prediction and experimental results for all the configurations, for a final operating point of 𝜋_𝑡=1.6.

(a) Corrected mass-flow rate as a function of the reduced section

(b) Transient mass as a function of the square of the reduced tip speed