AMESim Applications in Aeronautics EADS Military Aircraft / IMAGINE October, 2004 Cédric Roman Project Engineer, IMAGINE S.A.
AMESim Applications in Aeronautics 2 Flight control Braking Structure/actuator coupling Electrical power system Propulsion Ground simulation rig (iron bird) Aeronautics s Refueling System Thermal Management (A/C, Cooling, ) Aircraft control systems Aeronautics Hydraulic Systems Oxygen and
3 All types of controlled systems coupling mechanical, electro-mechanical, hydraulic, thermal Mechanism Animation
Landing Gear: 2D mechanism 4 mechanism Mechanism Animation
5 Nose gear steering systems
6 Rear Suspension Relative displacement (piston envelope)
7 Integration and coupling Aerodynamic forces V aircraft Vwheel Flight parameters Suspension Angle of attack mechanism Brake > Architectur & System level
Life support : Oxygen Systems 8 Intertechnique is using the AMESim software and IMAGINE services in the development of their different products like O2 masks. Example of use of AMESim: System Stability Robust design O 2 consumption
Life support : Oxygen Systems 9 Distribution network and consumption over flight profile Points of interest of different consulting projects: - Consumption - Ejector performance - Optimization of dilution Air-O2 - Electro-pneumatic regulator design
Life support : Oxygen Systems 10 Gas exchanges in lung O2 and CO2 exchanges between air and blood in lung
Life support : Human performances 11 Qinetiq is using the software AMESim for their different study of human performance in extreme environments. Breathing Equipment Library Simple Demand Regulator Simulation
Life support : Respiratory mechanics 12 An example of openness in AMESIM Simulation System of Respiratory Mechanics
13 Pyrotechnic applications Key points: Powder combustion Real gas modeling Gas mixtures
14 From reservoir to injectors Circuit Pumps Valves Ejectors Thermal aspects Control
CASE STUDY N.1 (Mr. Georgi): Fuel Pump Test 15 Different Flight Scenarii can control from Excel the pump model in AMESim for different altitude.
16 Combustion, thrust, control, Secondary Power Syst. Combustion calculation and control validation Preliminary performance studies
17 Heat exchangers and temperature control
CASE STUDY N.2 (Mr. Thiele): Heat exchangers and temperature control 18
CASE STUDY N.2 (Mr. Thiele): Heat exchangers and temperature control 25 C 35 C 19-18 C -4 C -16 C 58 C Heat=30kW
20 Air moisture modelling Controlling relative humidity Avoiding water condensation in pneumatic circuit
Air conditioning 21
CASE STUDY N.3 (Mr. Thiele): Air Conditioning Vapour cycle Single Stage Process R134A 22 Libraries TPF/AC: results are coming from geometrical parameters For this case study n.3, AMESim allows a backward calculation method
CASE STUDY N.3 (Mr. Thiele): Air Conditioning Backward Calculation Method - 1st Step: searching? 23????
CASE STUDY N.3 (Mr. Thiele): Air Conditioning Backward Calculation Method - 1st Step: searching? 24??? Using Optimization facility Design Exploration?
CASE STUDY N.3 (Mr. Thiele): Air Conditioning Backward Calculation Method - 1st Step: searching? 25???? Using Optimization facility Design Exploration
CASE STUDY N.3 (Mr. Thiele): Air Conditioning Backward Calculation Method 2nd Step: 26