JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - 36

aero-engines

Fig. 10: SGV sub-component test

SGV sub-component test
(single vane test)
Figure 10 illustrates the SGV sub-component test. An SGV single vane test
was conducted using a full-size SGV
employing a wedge bonding configuration selected in the coupon test as a
test piece, and with one end of the SGV
fixed, a load equivalent to that experienced at the time of engine operation
being applied to the other end. The
results of the test confirmed the soundness of the SGV in both a cyclic load
condition at the time of normal operation and a maximum load condition
applied to the SGV at the time of FBO.
A gelatin impact test simulating the
collision of a bird weighing 1 kg was
conducted using a full-size SGV as a
test piece. Since an actual bird collides
with the fan blades before colliding
with an SGV, the state of the bird after
the collision with the fan blades was
estimated by analysis, and a piece of
gelatin having the estimated weight and
shape was used. No damage was found
in the SGV after both the appearance
test and a non-destructive inspection.
Thus, the impact resistance of the SGV
was confirmed.
SGV component test
(SGV full-ring test)
A full-ring test was conducted such that
a full set of 48 full-size SGVs corresponding to one engine was attached to a jig
simulating a fan case and a fan frame,
and an actuator was used to apply the
load at the time of engine operation.
Figure 11 illustrates the SGV full-ring

Fig. 11:SGV (48 pieces) full-ring test

test. The test was conducted under two
different conditions, i.e. the maximum
load condition applied to the SGVs
at the time of FBO (FBO test), and
a cyclic load condition based on the
vibrations occurring during the period
after FBO until arrival at an airport (fly
home test: 200,000 cycles). In both
conditions, the SGVs maintained their
rigidity until completion of the test.
Thus, the soundness of the SGVs was
verified.

Adoption for the PW1100G-JM
The composite fan case and SGV
developed in this R&D project were
adopted for the PW1100G-JM, and
the engine was certified by the FAA in
December 2014, has been in service
from January 2016.Figure 12 illustrates
the PW1100G-JM and the composite
fan case, and Figure 13 shows an external view of the composite SGV for the
PW1100G-JM.

Conclusion
The technologies for the composite fan
case and SGV were developed, demonstrated and adopted for application to
the PW1100G-JM, a next-generation
civil aircraft engine.
A practical, lighter fan, which is
essential to create a high-efficiency
high-bypass fan, fulfils the main need
of customer airlines, i.e. a reduction in
operational costs. The lighter fan is also
expected to be widely adopted in future
engines. Furthermore, IHI Corporation
is going on to develop the composite

36 jec composites magazine / No106 July 2016

Fig. 12: PW1100-JM and composite fan case

Fig. 13: PW1100-JM composite SGV

fan blades toward their application to
an actual aircraft, and is also working
to further reduce the weight of the fan
case and SGV. n
More information:
www.ihi.co.jp/en/
Acknowledgements
This research project was conducted
under contract with Japanese Aero
Engines Corporation, partially funded
by the Ministry of Economy, Trade and
Industry of Japan, as part of the project
entitled "Advanced Materials & Process
Development for Next Generation
Aircraft Engines". The flat plate impact
test was conducted by Professor
Yasuhiro Akahoshi, Kyushu Institute of
Technology, and the gelatin impact test
was conducted by Professor Kazuyoshi
Arai, Hosei University. The authors
would like to thank both professors
and their institutes for their guidance
and cooperation. They are also grateful
to the other persons involved in this
research and development work.


http://www.ihi.co.jp/en/

Table of Contents for the Digital Edition of JEC COMPOSITES MAGAZINE - Issue #106 - July 2016

Cover
Edito
Point of view: Europe
Contents
COMPANY & BUSINESS
Development
Agenda of Events
APPLICATIONS
Thermoplastics
Automotive
MARKET
Aircraft engine
FEATURE AERONAUTICS
Aerostructures
Characterisation
Thermoplastics
Aero-engines
Process
CFRP
Semi-product
RESEARCH & DEVELOPMENT
Review
Core material
TECHNOLOGY & INNOVATIONS
NDT
Marine
Index
In the world
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - Ad1
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - Cover
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - 2
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - Edito
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - Point of view: Europe
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - 5
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - Contents
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - 7
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - COMPANY & BUSINESS
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - 9
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - Development
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - 11
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - Agenda of Events
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - 13
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - AdHEC
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - AdCro
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - Thermoplastics
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - 15
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - 16
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - Automotive
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - Aircraft engine
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - 19
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - 20
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - 21
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - 22
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - Aerostructures
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - 24
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - 25
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - Characterisation
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - 27
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - 28
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - 29
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - 30
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - Thermoplastics
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - 32
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - Aero-engines
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - 34
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - 35
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - 36
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - Process
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - 38
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - 39
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - CFRP
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - 41
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - 42
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - Semi-product
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - 44
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - 45
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - Review
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - 47
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - 48
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - 49
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - Core material
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - 51
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - 52
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - NDT
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - 54
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - Marine
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - 56
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - Index
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - In the world
JEC COMPOSITES MAGAZINE - Issue #106 - July 2016 - 59
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