altitude icing testing of jet engines to begin at nasa
TRANSCRIPT
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National Aeronautics and Space Administration
www.nasa.gov
Altitude Icing Testing of Jet Enginesto begin at NASA Glenn Research CenterPropulsion Systems Laboratory
Jack KowalewskiPSL Facility EngineerJohn H. Glenn Research Center at Lewis Field
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NASA Field Centers
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NASA Glenn Research Center
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PROPULSION SYSTEMS LABORATORY (PSL)
NASA – GLENN RESEARCH CENTER
CLEVELAND, OHIO
Tom Hoffman, Facility Manager
Dennis Dicki, Facility Mechanical Tech. Lead
Jack Kowalewski, Facility Engineer
Paul Lizanich, Senior Electrical Engineer
Mike Oliver, Icing Branch Research Engineer
Dr. Judy VanZante, Cloud Specialist
Tom Griffin, Icing Project Engineer
JET ENGINE ICE CRYSTAL RESEARCH TESTINGAT PSL
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National Aeronautics and Space Administration
PSL Engine Testing
National Research FacilityCommercial DevelopmentNational Defense InitiativesOther Unique Applications
• Engine Operability and Stall Resistance• High Altitude Performance• General Aviation and Business Jets• Military Fighter Engine Development• Helicopter Turbo-shaft Engines• UAV/Missile Engines• Ice Crystal Research (new)
Williams FJ-33
Medium Turbofan Engine
Pratt & Whitney F100
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National Aeronautics and Space Administration
Propulsion Systems Laboratory
Two test sections share common inlet and exhaust
Continuous Operation at high air flow ratesAltitude 90,000 ft (-90 deg F)PSL-3 Mach 3.0 (600 deg F)PSL-4 Mach 4.0 (1000 deg F)
Six component thrust system (50,000 lbf)
Real time, high speed data acquisition and display
NASA Glenn’s Propulsion Systems Lab (PSL) is one of the Nation’s Premier Direct Connect Altitude Simulation Facilities for Full-Scale Gas Turbine Engines and Propulsion System Research
Location of Icing Upgrade
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Spray Bars Installed in Plenum
System DescriptionPSL Icing System
Transition Sections Installed in Plenum
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System DescriptionPSL Icing System
Propulsion Systems Laboratory, Test Cell ThreeIce Crystal Icing Calibration Rig
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Main Icing System Installation (completed Q2, 2011)
Test Cell Hardware (in progress)
Integrated Systems Test (completed Q2, 2012)- System Checkouts- Full up Icing System Integrity and Operations Check
o Spray Bar Vibration Survey (completed Q2, 2012)o Aero-thermal Calibration, Station 1 (completed Q2, 2012)o Spray bar systems water and ice (in progress)
Calibration Testing-no engine installed- Scheduled to begin Q3, 2012
Validation Testing-engine installed- Scheduled to begin Q1, 2013
Progress/PlanPSL Icing System
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National Aeronautics and Space Administration
ObjectivesPSL Icing System
NASA Mission: Improving Aviation SafetyEstablish a ground-based, engine altitude test
facility with ice crystal cloud capability.Study the physics of ice crystal icing in turbofan
engines.Development of engine test methodology in this
novel facilityDevelopment of data sets to help validate NASA
engine icing computer codesEngage in collaborative engine icing research with
domestic and international partners.
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National Aeronautics and Space Administration
Icing system was designed and built to requirements established through a international collaborative process between industry and government representatives
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Technical ObjectivesPSL Icing System
Specified RequirementSpecification Minimum Maximum
Altitude (pressure) 4000 ft 40,000 ftInlet Total Temperature -60°F 15°F
Mach Number 0.15 0.80Air Flow Rate 10 lbm/sec 330 lbm/sec
IWC (icing water content) 0.5 g/m3 9.0 g/m3
MVD (median volumetric diameter) 40µ 60µRun Time Continuous up to 45 minutes
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National Aeronautics and Space Administration
Subsystems Design Summary
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Glycol HX
Glycol HX
Glycol HX
LN2 Cooler
Tank
Cooling Loop
Water
Particles
Atomizing Air
Cooling Air
Spray Bar
Spray Bar
Spray Bar
35 °F
35 °F
35 °F
-40 °F
System DescriptionPSL Icing System
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10 Spray Bars 200+ Nozzles (2 types) mounted in PSL Cell 3 plenum 35°F atomized water -40°F cooling air at nozzle exit enhance freezing.
PSL 3 Plenum Spray Bars Spray Bar Detail
System DescriptionPSL Icing System
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System DescriptionCalibration Hardware
Calibration Concept
Automated GridConfiguration
With Laser Prox Probes
Heater
Spray BarsTransitionDucts
CameraDuct
OpticalTomographyDuct
Uniformity/Cross-BladeDuct
InstrumentDuct
Base FrameAssembly
Laser PostAssembly
Heater FrameAssembly
Sheet LaserSystem
36” ID
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Instrument Duct
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Shown with Multi-Wire (Left). CDP and CIP probes planned for particle sizing.
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Uniformity/Cross Blade Duct
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Articulating Table
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National Aeronautics and Space Administration
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Propulsion Systems Laboratory
http://facilities.grc.nasa.gov/psl/
Dennis Dicki, PSL Mechanical Technical Lead
[email protected] 216-433-5702
Jack Kowalewski, PSL Facility Engineer
[email protected] 216-433-2358
Paul Lizanich, Senior Electrical Engineer
[email protected] 216-433-6560
Mike Oliver, Icing Branch Research Engineer
[email protected] 216-433-6361
Contact Information
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Questions?/Comments !
Contact Tom Hoffman, PSL Facility Manager216-433-5637, [email protected]
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