b'SPRAY TRANSFER EFFICIENCIESFigure 11. Baseline PIV (no manipulation) results with spray.Figure 12. PIV results with the blunt plate located 25mm from the surface with spray.Figure 13. PIV results with the blow-off nozzle at 45 psi with spray.Figure 14. PIV results with the upstream-facing knife-edge located 25mm from the surface with spray.82 WORLD PULP&PAPER'