Fuel Cell system integration for aeronautic applications (ppt)

03/02/2015
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Fuel Cell system integration for aeronautic applications (ppt)

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application/pdf Fuel Cell system integration for aeronautic applications (ppt) Theophile Horde, Francois Moser, Fabien Boudjemaa
application/pdf Fuel Cell system integration for aeronautic applications Theophile Horde, Francois Moser, Fabien Boudjemaa

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This document and the information contained are Snecma property and may be subject to export control laws and regulations. They shall not be copied or disclosed to any third party without prior written approval. Unauthorized export or re-export is prohibited EXPORT CONTROL : NC FRANCE – NOT CONTROLLED TECHNOLOGY Integration of fuel cell system for aeronautical applications Dr François Moser, Dr T. Hordé, Dr F. Boudjemaa SAFRAN/SNECMA Space engine division MEA 2015 / 5th February 2015 / 1 / This document and the information contained are Snecma property and may be subject to export control laws and regulations. They shall not be copied or disclosed to any third party without prior written approval. Unauthorized export or re-export is prohibited EXPORT CONTROL : NC FRANCE – NOT CONTROLLED TECHNOLOGY INTRODUCTION Integration of FCS into aircraft Maturated-equipment for development program (TRL6)  Works are still to be done to mature FC technologies for aeronautic applications MEA 2015, Toulouse, 5th February 2015 FC Stack FCESS NfH2 Alim ANODE REGULATION NfH2 Alim CATHODE REGULATION Thermal manage ment System design Certification Integration Safety Design to cost Design to weight RAMSmission location interfaces Power requirement Waste managementC/C 2 / This document and the information contained are Snecma property and may be subject to export control laws and regulations. They shall not be copied or disclosed to any third party without prior written approval. Unauthorized export or re-export is prohibited EXPORT CONTROL : NC FRANCE – NOT CONTROLLED TECHNOLOGY  V-type development life cycle AIRCRAFT REQUIREMENTS FOR FCS CERTIFICATION MEA 2015, Toulouse, 5th February 2015 AIR 6464 / EUROCAE ED-219 “Hydrogen Fuel Cells Aircraft analysis Fuel cell Safety Guidelines” FCS component qualification FCS certification FCS qualification CS25 “Certification specification for large aeroplane” PDR S/S PDR S/S CDR SS CDR ARP4754  Guidelines For Development Of Civil Aircraft and Systems ARP4761  Guidelines and Methods for Conducting the Safety Assessment Process on Civil Airborne Systems and Equipment MIL-STD-704-F  Aircraft Electrical Power Characteristics AIR-1168  Aerothermodynamic Systems Engineering and Design AIR-2000  Aerospace Fluid System Standards DO-178  Software considerations in airborne systems and equipment certification DO-254  Design assurance guidance for airbone electronic hardware S/S to be validate: - Stack - thermal management S/S - Reactive alimentation S/S - C/C - mechanical, electrical interfaces ED14/DO-160G  Environmental Conditions and test Procedures for Airborne Equipment 3 / This document and the information contained are Snecma property and may be subject to export control laws and regulations. They shall not be copied or disclosed to any third party without prior written approval. Unauthorized export or re-export is prohibited EXPORT CONTROL : NC FRANCE – NOT CONTROLLED TECHNOLOGY Examples of guidelines - Robust to single failure + uncontrolled fire on aircraft level is extremely improbable - HP H2/O2 storages shall be treated similarly regarding safety analysis - Bottle burst to be extremely improbable by combining qualification and design  Design for safety: “how making a safe O2/H2/e- system for aircraft?” MEA 2015, Toulouse, 5th February 2015 AIRCRAFT REQUIREMENTS FOR FCS CERTIFICATION O2 standard known for aeronautic  CS 25 H2 standard to be found for H2 storage sub-system.  SAE AIR 6464  EN 12245 (DOT-CFFC) targerted for HP H2(O2) bottles (High TRL) FC Stack NfH2 Alim ANODE REGULATION NfH2 Alim CATHODE REGULATION Examples of risk mitigation - Energetic source segregation, FCS ventilation - Fire resistance proofness (TPRD + venting line) - Functions of control and security have to be separated 4 / This document and the information contained are Snecma property and may be subject to export control laws and regulations. They shall not be copied or disclosed to any third party without prior written approval. Unauthorized export or re-export is prohibited EXPORT CONTROL : NC FRANCE – NOT CONTROLLED TECHNOLOGY APPLICATION IMPACTS FCS DESIGN  Cathode alimentation  Mission/cycle : long mission (compressor); short mission (O2 tank)  Location : air cabin, atmosphere  Life time  fuel cell stack size, reactive purity (filtering) MEA 2015, Toulouse, 5th February 2015 APU 50 - 200 kW 50 kg H2 Entertainment ~30 kW 10 kg H2 Special aircraft ~15 kW 10 kg H2 RAT ~15 kW 1 kg H2 Galleys ~30 kW 10 kg H2 J. Fuel Cell Sci. Technol. 2010;8(1):011014-011014-7. doi:10.1115/1.4002400 5 / This document and the information contained are Snecma property and may be subject to export control laws and regulations. They shall not be copied or disclosed to any third party without prior written approval. Unauthorized export or re-export is prohibited EXPORT CONTROL : NC FRANCE – NOT CONTROLLED TECHNOLOGY OPERATIONAL CONDITIONS IMPACT FCS DESIGN  Operational conditions (DO-160)  Mechanical solicitations (vibration, shocks)  Shock absorber : mechanical design compliance  Thermal environment [-55°C ; +85°C]  Ground survival conditions  Pressure [0.1 ; 1.088] bar abs  Ground conditions  On-board conditions MEA 2015, Toulouse, 5th February 2015 Altitude 0,6 - 1 bar 0,75 bar 0,75 bar 0,75 bar < 0,2 bar41000ft 8000ft ground inboard External cond.  Impact on structure design, alimentation design of FCS and component (gas pressure regulator, air compressor, gasket and coolant) FC Stack NfH2 Alim ANODE REGULATION NfH2 Alim CATHODE REGULATION 6 / This document and the information contained are Snecma property and may be subject to export control laws and regulations. They shall not be copied or disclosed to any third party without prior written approval. Unauthorized export or re-export is prohibited EXPORT CONTROL : NC FRANCE – NOT CONTROLLED TECHNOLOGY FUEL CELL SYSTEM LOCATION OPTIONS Fuel cell system location onto an aircraft MEA 2015, Toulouse, 5th February 2015 FC Stack FCESS NfH2 Alim ANODE REGULATION NfH2 Alim CATHODE REGULATION Thermal manageme nt  The localization of FCS on airplane would be mainly influenced by the relative proximity between FC hardware and public  Different options :  FCS near to the load  FCS in tail cone  FCS in fairing  The issues that influence the choice  Availability space  Safety  Tubing, wire mass & volume  Rejection of waste  FC waste heat 7 / This document and the information contained are Snecma property and may be subject to export control laws and regulations. They shall not be copied or disclosed to any third party without prior written approval. Unauthorized export or re-export is prohibited EXPORT CONTROL : NC FRANCE – NOT CONTROLLED TECHNOLOGY FUEL CELL & AIRCRAFT SPECIFICITIES Fuel cell system location onto an aircraft  Thermal management  Waste heat from depleted-air and cooling loop  Thermal power to evacuate depends on FCS electric performance (stack design) & operational condition (H2 purity, temperature, pressure)  Design of cooling loop ‒ Air cabin: limitation by ECS ‒ Exterior air: external temperature variation with altitude, no control of air flow rate ‒ Specific Equipment: power regulation depends on mission profile  Specific exchanger design vs localization  /!\ Compatibility coolant vs operational temperature MEA 2015, Toulouse, 5th February 2015 FC Stack Cooling loop Cold source from airplane 8 / This document and the information contained are Snecma property and may be subject to export control laws and regulations. They shall not be copied or disclosed to any third party without prior written approval. Unauthorized export or re-export is prohibited EXPORT CONTROL : NC FRANCE – NOT CONTROLLED TECHNOLOGY GENERAL REQUIREMENTS FOR FCS INTEGRATION  Optimizations of FCS design and location vs application  Equipment integration (design) into aircraft = certification specification  Safety assessment early in development phase  Operational environment  Integration requirements  Automotive-based fuel cell system solutions could not be adapted to aeronautical environment  Specific development  Energetic source segregation  H2 fuel cell standards under evolution  System and component development needed MEA 2015, Toulouse, 5th February 2015 This document and the information contained are Snecma property and may be subject to export control laws and regulations. They shall not be copied or disclosed to any third party without prior written approval. Unauthorized export or re-export is prohibited EXPORT CONTROL : NC FRANCE – NOT CONTROLLED TECHNOLOGY 9 / SAFRAN’s fuel cell activities /02/ MEA 2015, Toulouse, 5th February 2015 10 / This document and the information contained are Snecma property and may be subject to export control laws and regulations. They shall not be copied or disclosed to any third party without prior written approval. Unauthorized export or re-export is prohibited EXPORT CONTROL : NC FRANCE – NOT CONTROLLED TECHNOLOGY ROADMAP SAFRAN – HYDROGEN POWER UNIT PEM-HT 5 kWe Ground demo PEM-HT 5 kWe H2 Storage 350 bar GGH2 solide PEM-HT 50kWe PEM-HT 12 kWe 2014 2018 2025-20302020 PEM-HT 2,5kWe GGH2 (solid) H2 Storage Type IV – 350 bar Sub-systems Systems and products Stack FC 2016 Air Compressor Environmental- Navigability EUROCAE – aeronautical certification AFNOR – H2 and FC standardization Military directives – logistic – Airport installations EPU non critical EPU critical MEA 2015, Toulouse, 5th February 2015 11 / This document and the information contained are Snecma property and may be subject to export control laws and regulations. They shall not be copied or disclosed to any third party without prior written approval. Unauthorized export or re-export is prohibited EXPORT CONTROL : NC FRANCE – NOT CONTROLLED TECHNOLOGY COMPETENCIES @ SAFRAN MEA 2015, Toulouse, 5th February 2015 COMPETENCIES @ SAFRAN ON FCS Certification Safety System Equipment 12 / This document and the information contained are Snecma property and may be subject to export control laws and regulations. They shall not be copied or disclosed to any third party without prior written approval. Unauthorized export or re-export is prohibited EXPORT CONTROL : NC FRANCE – NOT CONTROLLED TECHNOLOGY SAFRAN DEVELOPS SPECIFIC FC EQUIPMENTS  HT-PEMFC stack coupling with GGH2 (solid-based)  HT-PEMFC flexible to H2 impurities, thermal management  Solid GGH2 = more safe than HP bottle, manipulation  HT-PEMFC + GGH2 = compact system  Metallic HT-PEMFC stack (500cm²)  SAFRAN’s design proprietary  5kW H2/air 160°C (2kg/kW)  Ageing tests under investigation  TRL5 (2015) MEA 2015, Toulouse, 5th February 2015 Metallic HT-PEMFC 500cm² stack ©SAFRAN ©SAFRAN ©SAFRAN 13 / This document and the information contained are Snecma property and may be subject to export control laws and regulations. They shall not be copied or disclosed to any third party without prior written approval. Unauthorized export or re-export is prohibited EXPORT CONTROL : NC FRANCE – NOT CONTROLLED TECHNOLOGY MEA 2015, Toulouse, 5th February 2015 14 / This document and the information contained are Snecma property and may be subject to export control laws and regulations. They shall not be copied or disclosed to any third party without prior written approval. Unauthorized export or re-export is prohibited EXPORT CONTROL : NC FRANCE – NOT CONTROLLED TECHNOLOGY FUEL CELL EXPERIENCES IN SAFRAN  Synergy with Space activities & competences:  Fuel cell experiences :  System design & tests: PEMFC & SOFC (electric & MFFC)  Power Range: from 300 W to 70 kW  Reactants: (H2/O2) direct or (reformat H2/Air), with gasoline fuel processing, ethanol kerosene, LPG, NG…  Hydrogen production experiences (Fuel Processing and GGH2):  Hydrocarbon Fuel Processor : NG, LPG and low sulfur kerosene  Solid Hydrogen – hydrolysis and thermolysis MEA 2015, Toulouse, 5th February 2015 Design & Integration of complex systems (hydraulics- thermal- mechanics) Handling quantities of hydrogen & oxygen Availability of wide & secured test area (130 ha)