AMESim Applications in Aeronautics EADS Military Aircraft / IMAGINE October, 2004

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AMESim
Applications in
Aeronautics
EADS Military Aircraft / IMAGINE October, 2004
Cédric Roman
Project Engineer, IMAGINE S.A.
AMESim Applications in Aeronautics
Flight Control
Landing gear
Life Support
Crew Escape
Fuel System
Environmental
Control System
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Flight control
Landing gear
Braking
Structure/actuator coupling
Electrical power system
Propulsion
Ground simulation rig (iron bird)
Aeronautics Fuel Systems
Refueling System
Thermal Management (A/C, Cooling,…)
Aircraft Environmental control systems
Aeronautics Hydraulic Systems
Oxygen and Life Support
…
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Flight Control
Flight Control
Landing gear
All types of controlled systems coupling mechanical,
electro-mechanical, hydraulic, thermal
Life Support
Crew Escape
Fuel System
Environmental
Control System
Mechanism Animation
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Landing Gear: 2D mechanism
Flight Control
Landing gear mechanism
Landing gear
Life Support
Crew Escape
Fuel System
Environmental
Control System
Mechanism Animation
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Landing gear
Flight Control
Landing gear
Life Support
Crew Escape
Fuel System
Environmental
Control System
Nose gear steering systems
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Landing gear
Flight Control
Rear Suspension
Landing gear
Life Support
Crew Escape
Fuel System
Environmental
Control System
Relative displacement (piston –
envelope)
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Landing gear
Flight Control
Integration and coupling
Aerodynamic forces
Landing gear
Life Support
Crew Escape
Fuel System
Vaircraft
Vwheel
Environmental
Control System
Flight parameters
Angle of attack
> Architectur &
System level
Landing gear
mechanism
Suspension
Brake
Life support : Oxygen Systems
Flight Control
Landing gear
Life Support
Intertechnique is using the AMESim software and
IMAGINE services in the development of their
different products like O2 masks.
Crew Escape
Fuel System
Environmental
Control System
Example of use of AMESim:
¾System Stability
¾Robust design
¾O2 consumption
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Life support : Oxygen Systems
Flight Control
Distribution network and consumption over flight profile
Landing gear
Life Support
Crew Escape
Points of interest of different
consulting projects:
- Consumption
Fuel System
- Ejector performance
Environmental
Control System
- Optimization of dilution Air-O2
- Electro-pneumatic regulator design
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Life support : Oxygen Systems
Flight Control
Gas exchanges in lung
Landing gear
Life Support
Crew Escape
Fuel System
Environmental
Control System
O2 and CO2 exchanges between air and blood in lung
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Life support : Human performances
Flight Control
Landing gear
Life Support
Qinetiq is using the software AMESim for their
different study of human performance in extreme
environments.
Crew Escape
Fuel System
Breathing Equipment Library
Environmental
Control System
Simple Demand Regulator Simulation
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Life support : Respiratory mechanics
Flight Control
Landing gear
An example of openness in AMESIM
Life Support
Crew Escape
Fuel System
Environmental
Control System
Simulation System of
Respiratory Mechanics
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Crew Escape
Flight Control
Landing gear
Life Support
ƒ Pyrotechnic applications
Key points:
Crew Escape
Fuel System
Environmental
Control System
•Powder combustion
•Real gas modeling
•Gas mixtures
Fuel System
Flight Control
Landing gear
Life Support
Crew Escape
Fuel System
Environmental
Control System
ƒ From reservoir to injectors
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Circuit
Pumps
Valves
Ejectors
Thermal aspects
Control
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Fuel System
Flight Control
Landing gear
CASE STUDY N.1 (Mr. Georgi):
Fuel Pump Test
Life Support
Crew Escape
Fuel System
Environmental
Control System
ƒ Different Flight
Scenarii can control
from Excel the pump
model in AMESim for
different altitude.
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Fuel System
Flight Control
Combustion, thrust, control, Secondary Power Syst.
Landing gear
Life Support
Crew Escape
Fuel System
Environmental
Control System
ƒ Combustion calculation and control validation
ƒ Preliminary performance studies
ƒ…
Environmental Control System
Flight Control
Landing gear
Life Support
Crew Escape
Fuel System
Environmental
Control System
Heat exchangers and temperature control
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Environmental Control System
Flight Control
Landing gear
Life Support
Crew Escape
Fuel System
Environmental
Control System
CASE STUDY N.2 (Mr. Thiele):
Heat exchangers and temperature control
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Environmental Control System
Flight Control
Landing gear
Life Support
Crew Escape
CASE STUDY N.2 (Mr. Thiele):
Heat exchangers and temperature control
25°C
35°C
Fuel System
Environmental
Control System
-18°C
-4°C
-16°C
58°C
Heat=30kW
Environmental Control System
Flight Control
Air moisture modelling
Landing gear
Life Support
Crew Escape
Fuel System
Environmental
Control System
•Controlling relative humidity
•Avoiding water condensation in pneumatic circuit
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Environmental Control System
Flight Control
Landing gear
Life Support
Crew Escape
Fuel System
Environmental
Control System
Air conditioning
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Environmental Control System
Flight Control
Landing gear
CASE STUDY N.3 (Mr. Thiele): Air Conditioning
Vapour cycle – Single Stage Process – R134A
Life Support
Crew Escape
Fuel System
Environmental
Control System
Libraries TPF/AC: results are coming from geometrical parameters
For this case study n.3, AMESim allows a backward calculation method
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Environmental Control System
Flight Control
Landing gear
CASE STUDY N.3 (Mr. Thiele): Air Conditioning
Backward Calculation Method - 1st Step: searching ?
Life Support
Crew Escape
Fuel System
Environmental
Control System
?
?
?
?
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Environmental Control System
Flight Control
Landing gear
CASE STUDY N.3 (Mr. Thiele): Air Conditioning
Backward Calculation Method - 1st Step: searching ?
Life Support
Crew Escape
Fuel System
Environmental
Control System
? Using Optimization facility
?
Design Exploration
?
?
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Environmental Control System
Flight Control
Landing gear
CASE STUDY N.3 (Mr. Thiele): Air Conditioning
Backward Calculation Method - 1st Step: searching ?
Life Support
Crew Escape
Fuel System
Environmental
Control System
?
?
?
?
Using Optimization facility
Design Exploration
Environmental Control System
Flight Control
Landing gear
Life Support
Crew Escape
Fuel System
Environmental
Control System
CASE STUDY N.3 (Mr. Thiele): Air Conditioning
Backward Calculation Method – 2nd Step:
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