modified sandwich structures for wind turbine bladescam.bue.edu.eg/presentations/15 may 2011...
TRANSCRIPT
Yehia Bahei-El-DinMostafa Shazly
Serag SalemAhmed Abd El-Rahman
Modified Sandwich Structures forWind Turbine Blades
MatWind2011, 15-16 May 2011, Cairo, Egypt
Our Sponsor
The European Union
Research, Development& Innovation Program
EU-Egypt Innovation Fund
Our Team
Centre for Advanced Materials, BUE
M. Shazly, A. Abdel-Rahman, M. Osman,
S. Salem, A. Mehran, M. Haddad
Bakir Plastics Company, Egypt
Tagarielli, Fleck, Deshpande (2004)
Cellular Foam Core Crushing Under Impact
Engineering Strain
En
gin
ee
rin
gS
tre
ss
(MP
a)
0 0.25 0.5 0.75 10
10
20
30
40
0.01 s-1
0.1 s-1
0.5 s-1
1.0 s-1
Objectives
Modify sandwich designs to improve resistance to impact loads.
Quantify new sandwich designs by experimental and computational methods.
Fabricate sandwich panels & a wind turbine prototype segment using new sandwich construction design.
Modify sandwich designs to improve resistance to impact loads.
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8
Strain (m/m)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
Str
ess (
GP
a)
8000 s-1
5000
2000
Polyurea
PUR
Quantify new sandwich designs by experimental and computational methods.
Fabricate sandwich panels & a wind turbine prototype segment using new sandwich construction design.