Turbulent Kinetic Energy Production in the Vane of a Low-Pressure Linear Turbine Cascade with Incoming Wakes

Figure 8

Eigenvectors of the strain tensor (left) and of the stress tensor (right) along two selected wakes: (a) LES: Re = 5.18 × 10⁴, (b) DNS: Re = 5.18 × 10⁴, and (c) LES: Re = 1.48 × 10⁵ (for the strain tensor, the red segment represents the direction of compression).

(a)

(b)

(c)