Fig 10.
EEE
Pe
A typical fringe pattern observed
during reconstruction of a double-
exposure hologram recording the
airfoil No.
torsional load applied at tip of
the blade
dub
in
l acted upon by a
29
< =
x 03\ 04 05 0.6
-0.5: -0.4 -0.3 -0.2 -Ql
N x/CORD
0.1 [-
; x
02H >
INITIAL POSITION S
———F POSITION - : o3-
HOLOGRAPHIC
ANALYSIS v
04r
0.5-
Fig 11. Deflections of airfoil No. 1 due to
torsional load applied at tip, as
determined from holograms at level 26
—
—
1 laci l
-05 -O4 -O3 -02
INITIAL POSITION
— —— FINAL POSITION-
HOLOGRAPHIC
ANALYSIS
os
Fig 12. Deflections of airfoil No. 1 due to
torsional load applied at tip, as
determined from holograms at level 11