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- 1. SELEX Galileo, a Finmeccanica Company Refrigerants In Aerospace Cooling The Typhoon Derek M Cranvey 02 December 2010
- 2. SELEX Galileo, a Finmeccanica Company Eurofighter Typhoon
- 3. SELEX Galileo, a Finmeccanica Company Thomas Midgley Jr
- 4. SELEX Galileo, a Finmeccanica Company Avionics - Cooling
- 5. SELEX Galileo, a Finmeccanica Company 1903
- 6. SELEX Galileo, a Finmeccanica Company Lockheed Constellation 1939
- 7. SELEX Galileo, a Finmeccanica Company Avro Vulcan 1952
- 8. SELEX Galileo, a Finmeccanica Company Lockheed Electra 1957
- 9. SELEX Galileo, a Finmeccanica Company Boeing 707 - 1958
- 10. SELEX Galileo, a Finmeccanica Company Douglas DC8 - 1959
- 11. SELEX Galileo, a Finmeccanica Company Learjet 24 1966
- 12. SELEX Galileo, a Finmeccanica Company Cessna 172 1978
- 13. SELEX Galileo, a Finmeccanica Company EAG 3273 1957
- 14. SELEX Galileo, a Finmeccanica Company Rotary
- 15. SELEX Galileo, a Finmeccanica Company Above Atmosphere
- 16. SELEX Galileo, a Finmeccanica Company Food Storage Douglas DC3 - 1935
- 17. SELEX Galileo, a Finmeccanica Company 1939 Boeing 307 Stratoliner
- 18. SELEX Galileo, a Finmeccanica Company PBY Mariner 1940
- 19. SELEX Galileo, a Finmeccanica Company Vickers VC 10 - 1962
- 20. SELEX Galileo, a Finmeccanica Company Airbus A380 2005 © Airbus Industrie
- 21. SELEX Galileo, a Finmeccanica Company Praetorian DASS • Defensive Aids Sub System • Integrated into Aircraft • Multiple Threats • Distributed Sensors • ECM / ESM • On Board and Off Board Countermeasures • Flare dispenser • Chaff dispenser • Towed Decoy • Missile Warners • Laser Warner • Automatic • Threat Detection • Threat Identification
- 22. SELEX Galileo, a Finmeccanica Company Threats
- 23. SELEX Galileo, a Finmeccanica Company Praetorian DASS Topology
- 24. SELEX Galileo, a Finmeccanica Company Wing Tip Pods Port WTP Starboard WTP
- 25. SELEX Galileo, a Finmeccanica Company Cooler LRI
- 26. SELEX Galileo, a Finmeccanica Company Praetorian Cooling System LRI – Evaporator Heat Load? Hot Vapour Cold Liquid Hot Air WTP Cooler RAM Air Heat Exchanger -Condenser RAM Air Turbine - Compressor Expansion Valves
- 27. SELEX Galileo, a Finmeccanica Company Cooler LRI V-flange Air inletTurbine statorTurbine wheelCondenser Compressor Electro-pump Tank Shaft seal Bearings Air outlet & Louver valve Air outlet seal Rear lug
- 28. SELEX Galileo, a Finmeccanica Company R245fa • 100°C Air On • HFC 1,1,1,3,3-pentafluoropropane R11 R123 R245fa R134a CCl3 F CF3-CHCl2 CF3CH2CHF2 C2 H2 F4 137.37 152.93 134 102 24 28 15 -26.3
- 29. SELEX Galileo, a Finmeccanica Company AGE • Charge and Recovery • Below Boiling Point fluid will not charge by standing pressure. • Compressor can not be ground run ‘easily’ • Below Boiling Point Conventional Recovery Equipment Does NOT ‘work’ • Close to Boiling Point Conventional Recovery Equipment is ‘challenged’ • AGE Requirement to Charge and Recover from -40 to +50°C • Ground Test • Option A …. Ram Air Blower • Option B ….. Work like the Cooler LRI
- 30. SELEX Galileo, a Finmeccanica Company Charge/Recovery & Ground Test
- 31. SELEX Galileo, a Finmeccanica Company Leak Detection • In Manufacture • Helium – Chamber Testing 10-5 to 10-6 m.bar.l.sec-1 • Mass Spectrometer (Turbo Molecular Pump) • Why helium • Not because of its ‘searching’ properties (what ever that is?) • Not because of its Molecular size (10-7 m.bar.l.sec-1) • Its because we can quantify the leak rate (using standard gas equation) • On Flight Line • Helium • Ion Science Gas Check • WISE Sensor (Semi Permeable Membrane) • Hand Held Detectors ‘a waste of time’ • FLIR? • More FLIR?
- 32. SELEX Galileo, a Finmeccanica Company ASHRAE
- 33. SELEX Galileo, a Finmeccanica Company Heritage? • Midgley • Stable • Non Flammable • Non Toxic • LP & HP Available • Natural Refrigerants? • HFC’s to HFO’s? • Where is the hardware? • Where are the images?
- 34. SELEX Galileo, a Finmeccanica Company Acknowledgements • Images • Author • SELEX Galileo • UK MoD • US DoD • Finmeccanica • Flight magazine • Airbus Industrie • Other images are internet sourced and are owners copyright • Specific image sources can be provided on request • Data • Praetorian Project Team, SELEX Galileo, Luton. • DASS IPT, Military Air Solutions, BAE Systems, Warton, • RAF Coningsby, Lincolnshire • Augusto Franzini of Fimac SpA, Milan, Italy • Elettronica SpA, Rome, Italy • Judith Evans & Andrew Gigiel, RD&T, Bristol • Roger Day, RDA Environmental Engineering, Isle of Wight • Ted Garner, Vacuum Engineering, Manchester • Lightfoot Defence, Fareham • Ernest West & Beynon, Paddock Wood • JTL Systems, Newbury • Henk Van Der Maaten (Retd) & Raymond H Thomas, Honeywell Fluorine products.
- 35. SELEX Galileo, a Finmeccanica Company Questions • Rules a) Don’t know…but will find out b) Cant tell you…business confidential (or really don’t know)
Notas do Editor
- Welcome Weather Presentation of Degrees of Separation Fluorinated Refrigerants in Vapour Compression Systems (know others) Part 1 Typhoon Part 2 heritage Part 3 Praetorian Part 4 R245fa Honeywell ECR Part 6 AGE
- Eurofighter.com Briefing Currently about £80M (no CD player) RAF Coningsby RAF Leuchers Fortress Falklands
- Thomas Midgley May 18, 1889 – November 2, 1944 Charles Kettering General Motors work with DuPont Critical of Workplace Safety Freon Dayton Wright - General Motors – Liberty Bug Fraud Investigation 1923 Buffalo (home of Honeywell) TEL lead Merlin 130 Test Bed 1940kW
- Density of Modern Electrical and Electronics (Space, envelope, mass) Processors running to over 120 Deg C Solder melts Similar to PC issues Air Cycle, Air Cooling, Sterling Cycle, Oil, Glycol Limited to Ambient 737 Air Cycle System Complexity of install
- No cabin Not Pressurised Heating! Percy Pilcher was first 1899 – banks!
- CFC R12 Electric Compressor Converted for Military Use Ripped Out The Aviator movie – reliability?
- Sir George Godfrey Vapour Cycle Unit ECS Under Nose Wheel Electric Driven 8hp Electric CFC R11 Search for actual unit….
- Turboprop 3.5 kW CFC R12 Electric Compressor Turboprop – Predator from Honeywell
- First Commercially Successful jet Airliner CFC R12 Electric Driven Compressor Air Bleed from Jet Engine (Whittle) Gloster E28/39 727 Instrument Some replaced as engines became more efficient
- Air Bleed DC8 of 1959 CFC R12 Electric Compressor Nice Image Used by NASA as a ‘floating lab’
- Executive Jet CFC R12 Air Bleed Electric Compressor
- Upgraded to 28v DC Automotive Compressor Aftermarket Fitment Hermetic or Motor Driven After Market R12 to R134a Kit for Falcon Executive jet Falcon used for DASS Trials at FRA
- EAG 3273 English Electric Mach 5 Sir Fredrick Page M5 Ramjets (Paul A Hilton) Inlet Air Temp RR 162 Turbojets No air bleed TSR2
- Augusta Westland Longbow Apache US Air Bleed (some R134a) UK R134a Gearbox Driven compressor 8kg charge Ours +50 Deg C Theirs +40 Deg C Lakota v Blackhawk
- Shuttle R21/Ammonia Electric Driven Heat Exchanger Zvezda 3rd Module The station's service module environmental systems PFC R218 Octafluropentane DASS PFC Used Saturn 5 Booster Stage Freon Cooling Cold Plate
- DC3 Galley First aircraft with a galley designed in.
- Worlds First fully pressurised airliner Parts from the B17 Fortress Full Serviced Galley CFC R12 Electric Compressor
- US Navy Only WWII aircraft with a fridge on board? Overshadowed by the PBY Catalina GE (Midgley) CFC R12
- VC10 Vents Ram Air Driven Normalair Compressor CFC 114 Now Honeywell Probably stripped out when engines upgraded Refrigerators from Lec Special projects Comet Caravelle
- A380 R134a primary Galden Secondary 15kW Cools Service Trolleys Uses same helium detection system as DASS
- 15 threats Air Sea Land Missile Tracking Missile Launch Missile Approach Integrated and Distributed Automated
- Bad day at the office Standard Soviet MANPADS FIM 92 Stinger Dual Seeker IR/UV Early missiles cooled with R12 total loss Tested in R12 to simulate upper atmosphere! Movie 3.31 to 4.45 SAM Launcher Decoy MANPADS Countermeasures
- Praetorian Roman Guards Question name? Distributed Sensor Fusion Flares Chaff
- Cooler LRI LRI’s 1kg of Refrigerant +9G -3.5G -60 to +100 Deg C Requirement Electronics Cold Wall at 70 Deg C Key Components under 120 Deg C
- FIMAC 32000 RPM RAM Air Driven Low Energy Compact for easy replacement 3 bolts QD fittings
- Explain Booster Pump
- Tank Solenoid Pump Low level High Speed Transient 7.5 kG
- 30 candidates 100 Deg C air on (39 bar A R134a) HFC, HFE, PFC, HCFC Honeywell R245fa ECR Replacement for CFC R11 and HCFC R123 25 year Contract Life Work done by Trane and Dr Robert Dorr Foam Blowing Grade ECR Oil, Moisture and Particulates Rankin Cycles, Heat Recovery, Solar Air Conditioning Leeches Plasticiser Softens and Swells PTFE materials
- R245fa behaves like water below 10 Deg C Recovery Units rely of external heat input.
- Apache Unit – Cold Weather Solution for R134a Lightfoot/RDA who supplied initial development equipment for Praetorian Tender Released Lightfoot and EWB have developed solutions. GCU Initially specific heat transfer systems with secondary's (pumps) EWB – Works like the aircraft.
- EU 5g/year = mass flow not leak rate System maintenance Refrigerant quality face seal runs dry Low Liquid Level Indicator
- Group A = Lower Toxicity R134a Group B = Higher Toxicity R245fa Both trialled as aesthetic gasses! Are they actually Toxic = mg/kg LD50 Measure of effects of exposure Risk Assessments and method statements require more data to avoid sticking TOXIC labels on all systems.
- Thanks for Listening