sub-orbital technical studies at flight test wing - f... · 2015. 3. 24. · rsv toward the...
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Maj. Ferdinando DOLCE, PhD
Head of Aero-Space System Engineering Group - Italian Air Force Montreal, 18 March 2015
Sub-Orbital Technical Studies at
Flight Test Wing SPACE | AEROSPACE | AIR
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RSV toward the aero-space domain
Space Systems and Unmanned
Astronautics and Space
Access, Control and
Defense
M&S
Industries
National
Universities
Agencies (EDA, ESA,
ASI, ENAC)
Gruppo Ingegneria per l’AeroSpazio
(Aero-Space System Engineering
Group) of RSV (Flight Test Wing) is
the technological enabler of ItAF
space and aerospace policy
NDA signed with Swiss Space
Systems (S3)
NDA in progress with XCOR
LoA signed between ItAF and Sierra
Nevada Corporation
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65 kft/18 km
325 kft/100 km
NEAR SPACE
SPACE
AIR
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Flight model/M&S interfacing
Model generation
X-Plane to STK interface
STK (Satellite Tool Kit) Aerodynamic
Model/Flight simulator
Radar Tracking (DIS/HLA)
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Plugin develped by ItAF
• Data logging plugin
• STK Interface plugin
• DIS/HLA Orbiter plugin
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Flight profile in the Italian air-space
http://www.google.it/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=v6NCf8ajf9JFrM&tbnid=glYmgm0lF5_fbM:&ved=0CAUQjRw&url=http://wwwbiblio.polito.it/it/documentazione/biblioit.html&ei=k0mjUaC9OY7JPYvmgLAD&bvm=bv.47008514,d.ZG4&psig=AFQjCNELf1ww7yKIlvz81iOs7olb5b1tsw&ust=1369742074143606
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Flight model validation
Altitude
Mach
G accelaration
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Development Test & Evaluation
at Flight Test Wing
Data acquisition
• Suborbital re-entry flight path
Predict
• Simulation by M&S tools and flight simulators
Test • Flight Test of glide phase
Evaluate • Data analysis
DT&E with the aim to
evaluate the
perfomance of
Italian Air Force
aircrafts to replicate
glide re-entry phase
for training missions
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A T-38 A was used as airborne simulator
with gear down and speedbrake out:
1. X-24B: 4 L/D at 200 kias, 2.5 L/D
at 300 kias (constant Mach 0.5)
2. Space Shuttle: 4 L/D (fpa 14), 2
L/D (fpa 27), dependent on the
shuttle configuration and
speedbrake deflection
3. T-38 A: 2.5 L/D, 300 kias with
gear down, descent rate up to
12000 fpm at flare
ItAF Flight Test training at
Edwards AFB
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Space Shuttle
14-Dec-06
FUEL 25K 15K 7K
3000 73 73 73
2500 74 74 77
2000 75 78 81
1500 77 80 85
1000 78 83 88
350/.65M
L/D Checklist
45 AOB
“1 minute, high key,
lifting body”
“high key,
lifting body”
“low key,
lifting body”
“high final,
gear down”
45 AOB “1 minute, low key, shuttle”
“low key, shuttle”
“high final, gear down”
Configure
350/.65M L/D Checklist
X-24B
FUEL# LOW KEY
ALT
3000 18.0K
2500 18.5K
2000 19.0K
1800 19.5K
1600 20.0K
1400 20.5K
1200 21.5K
1000 22.5K
800 24.0K
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Flight Test feasibility study on ItAF
aircrafts is on going…
Configuration
Engine
Airbrake
Gear & Flap
Best L/D
Speed & Alpha
T346 AX AMX MB 339 CD
Both simulation and flight test in order to
verify a mission “T38-like”
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Conclusions
Aero-Space System Engineering Group represents a new
technical reference point for aero-space and space studies and
analysis in Italian Air Force
These preliminary simulations showed a very good agreement
with available technical data
Further technical studies and flight test feasibility analysis are
now on-going in order to improve ItAF sub-orbital capability
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Maj. Ferdinando DOLCE, PhD
Head of Aero-Space System Engineering Group
ferdinando.dolce@am.difesa.it
+39 06 9129 3138
Thank you for your attention
mailto:ferdinando.dolce@am.difesa.it
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