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December 1, 2008
Overview of theFAA’s
Aviation Environmental Design Tool (AEDT)
Presented to:
National Parks Overflight Advisory Group (NPOAG)
Presented by:
Christopher J. Roof
US DOT Volpe CenterEnvironmental Measurement and Modeling Division
12/1/2008 2
AEDT Development Team
This work is funded by the U.S. Federal Aviation Administration (FAA)
Office of Environment and Energy (AEE),
under the FAA/Volpe General Working Agreement.
The AEDT effort is co-managed by Ralph Iovinelli and Chris Roof.
12/1/2008 3
Outline
• What is AEDT?• What does AEDT mean for me?• Users of AEDT• Capability Demonstrations• Development Timeline• Current State of AEDT and Legacy Tools• Assessment• Next Steps
12/1/2008 4
What is AEDT?
• Single, Integrated Aviation Environmental Tool• Scale
- Global / National / Regional / Local
- Noise / Emissions / Fuel Burn• Interdependencies / Tradeoffs
• Future Technologies (EDS)• Integrated Economic Analysis (APMT)
EDS – Environmental Design Space = “Future Technology”APMT – Aircraft environmental Portfolio Management Tool = “Economics”
12/1/2008 5
AEDT as part of FAA/AEE Tools Suite
APMT
PARTIAL EQUILIBRIUM
BLOCK
APMT COSTS & BENEFITS
New Aircraft
Emissions
Noise
APMT
BENEFITS VALUATION
BLOCK
Monetized Benefits
CollectedCosts
Noise Emissions
Fuel Burn
AEDT
Schedule
Fleet
IntegratedNoise,
Emissions,and
Fuel BurnAnalyses
SingleAirport
Regional
GlobalStudies
EDS
New aircraftperformance
& environmentalcharacteristics
Policy and Scenarios
12/1/2008 6
What AEDT means for me?
AEDT will replace the following Models:• Integrated Noise Model - INM• Emissions and Dispersion Modeling System -
EDMS• Noise Integrated Routing System - NIRS
12/1/2008 7
What AEDT means for me? (cont)
• More consistent noise & emissions analyses
• Cost savings re defining model scenarios
• Easier / more effective communication with stakeholders
• Streamlined / improved Data input processes Analysis capabilities
• Tool that meets all needs Regulatory User expectations Public expectations
12/1/2008 8
AEDT UsersEDMS and INM• >> 1000 users worldwide• Environmental analyses, e.g., EIS, Part 150s, etc.• AEDT Design Review Group (DRG)
SAGE and MAGENTA• FAA and development team primary users• Support ICAO/CAEP and JPDO analyses
NIRS• Regional airspace redesigns
EDMS – Emissions and Dispersion Modeling System
SAGE – System for assessing Aviation’s Global Emissions
INM – Integrated Noise Model NIRS – Noise Integrated Routing System
MAGENTA - Model for Assessing Global Exposure from Noise of Transport Airplanes
12/1/2008 9
AEDT Users (cont.)
NASA “Advanced Vehicle Concepts and Implications for NextGen” Research Areas (NRA)
• Very Light Jets (VLJ), Tiltrotors, Cruise Efficient Short Take-Off and Landing aircraft (CESTOL), Supersonic Transport (SST), Unmanned Aerial Vehicles (UAS)
• AEDT used for advanced aircraft and operations modeling
NIRS – Noise Integrated Routing System
N+2 Hybrid Wing/BodyN+1 ConventionalRunway
SpiralDecent
NormalGlide slope
SteepDecent
12/1/2008 10
AEDT Users (cont.)
Design Review Group (DRG)• Select group of tool “power users”• Meet w/ development team 1-2 times per year• Help guide / review development progress
12/1/2008 11
Development Timeline
2008
EDMS 5.1 INM 7.0a
AEDT beta
Testing
2007
EDMS* INM* NIRS*
2009 2010 2011 2012
* Annual releases as needed
DRG #2
AEDT 2.0
AEDT Newsletters as needed
DRG meetings 1-2 times per year, as needed
NIRS 7.0 7.0a
EDMS* INM* NIRS*
DRG #3
12/1/2008 12
NonNon--CDACDA
CDACDA
Use of AEDT pre Version 2.0
• ICAO/CAEP 1. Global NOx Stringency2. Environmental Trends Assessment3. Local Air Quality Assessment
• Continuous Descent Approach (CDA)• Reduced Vertical Separation
Minimum (RVSM)• Military Airspace Openings Analysis• Atlantic Interoperability Initiative to
Reduce Emissions (AIRE)
12/1/2008 13
Current State – Legacy Models
INM 7.0aINM 7.0a NIRS 7.0b.1NIRS 7.0b.1
EDMS 5.1EDMS 5.1
Emissions Database
Emissions Modules
Study Data
Noise Databases
Noise Module
Regional Databases
Regional ModulesFleet Database
Aircraft Performance
Module
Contour Module
Terrain Module
Airports Databas
e
12/1/2008 14
Current State – AEDT Databases
• Redesigned database structure to support all legacy tools (i.e., INM, EDMS, NIRS, MAGENTA & SAGE)
• Data harmonized across legacy toolsincludes source database measurement data (Fitchburg- 04/02, 10/06, Crisfield- 10/08...)
• Harmonization with available international sources
AEDT Airports Database
AEDT Fleet
Database
AEDT Movements Database
AEDT Non-Aircraft
Database
12/1/2008 15
Current State – AEDT Modules
• Redesigned computational modules, e.g., emissions, aircraft performance
• Noise and emissions analyses utilize harmonized, integrated, common modules
Aircraft
Acoustics
Aircraft
Emissions
Emissions
Dispersion
Fleet and
Operations
Aircraft
Performance
12/1/2008 16
Aircraft DataAircraft Fleet Database
Study-Specific Database
Airports Database
Aircraft DataMovementsDatabase
Aircraft DataNon-aircraft Sources Database
GraphicalUser
Interfaceor
AdvancedInputFiles
GISCapability
Contours
Outputs
EmissionsInventories
Noise & Pollutants Grids
NoiseChange Analyses
0
1
2
3
4
5
6
7
8
9
10
CO HC NOx PM SOx
TotalNoise &
EmissionsResults
Database
CalculatePollutant
Concentrations
CalculateAdditional
Noise Metrics
Terrain Calculations
Weather Calculations
Fly Aircraft
Calculate Noise
Calculate EmissionsAll Pollutants
+ GHGs
SEL, Time Audible,Lmax, Time Above
AircraftPerformance+ Fuel Burn
Repeatfor all
Flights
Time
Z
X
Y
Using AEDT
12/1/2008 17
-20000 -15000 -10000 -5000 0 5000 10000 15000 20000
-20000
-15000
-10000
-5000
0
5000
10000
15000
20000
Y (
feet
)
X (feet)
N
Flight Path Trajectory
Legend
0.03
0.04
0.04
0.05
0.06
0.10
0.17
0.24
0.31
0.04
0.04
0.05
0.06
0.07
0.11
0.22
0.34
0.44
0.04
0.05
0.06
0.09
0.09
0.13
0.34
0.57
0.55
0.05
0.06
0.09
0.10
0.19
0.19
0.71
0.79
0.66
0.05
0.06
0.10
0.19
0.13
0.73
0.95
0.87
0.81
0.07
0.08
0.10
0.16
0.58
1.05
1.00
0.95
0.96
0.12
0.16
0.24
0.49
1.00
1.04
1.00
0.99
0.94
0.19
0.26
0.40
0.73
0.88
0.95
0.97
0.92
0.96
0.24
0.33
0.51
0.64
0.73
0.85
0.92
0.99
0.97
-20000 -15000 -10000 -5000 0 5000 10000 15000 20000
-20000
-15000
-10000
-5000
0
5000
10000
15000
20000
00.050.10.150.20.250.30.350.40.450.50.550.60.650.70.750.80.850.90.9511.11.1
• Parametric sensitivity and uncertainty analyses
• Comparisons to Gold Standard data • Expert reviews (DRG, ICAO CAEP, IRG,
SAE A-21, …)
• Capability Demonstrations and Sample Problems
Four-part Approach:
GOAL: Environmental analyses are informed with the associated uncertainty from the tools, inputs and assumptions used in the analysis process
AEDT Assessment
Monte Carlo simulations
Global Sensitivity Analyses
Distribution Sensitivity Analyses
Surrogate Models
12/1/2008 18
Next Steps
• Development1. Continue database harmonization process
2. Continue migration of modules to .NET environment
3. Integrated graphical user interface (GUI); developed and coordinated with design review group (publicly available)
• Analysis1. Support NASA NRAs
2. Continue Module- and System-level Assessment
• Continue stakeholder outreach• Legacy Releases as required…
12/1/2008 19
Questions / Discussion
FAA Environmental Tools web site:http://www.faa.gov/about/office_org/headquarters_offices/aep/models/
Christopher J. RoofU.S. Department of Transportation
John A. Volpe National Transportation Systems CenterEnvironmental Measurement and Modeling Division, RTV-4F
55 BroadwayCambridge, MA 02142
(617) 494-6344Christopher.Roof@dot.gov
http://www.volpe.dot.gov/acoustics/
http://www.volpe.dot.gov/air/
12/1/2008 20
AcronymsAEDT – Aviation Environmental Design ToolAPMT – Aviation environmental Portfolio Management ToolCAEP – Committee for Aviation Environmental ProtectionBADA – Base of Aircraft DataCDA – Continuous Descent ArrivalCESTOL - Cruise Efficient Short Take-Off and Landing aircraftDRG – Design Review GroupEDMS – Emissions and Dispersion Modeling SystemEDS – Environmental Design SpaceEIS – Environmental Impact StatementEPA – Environmental Protection AgencyFAA – Federal Aviation AdministrationGHG – Greenhouse gasGUI – Graphical User InterfaceICAO – International Civil Aviation AdministrationICD – Interface Control DocumentINM – Integrated Noise ModelJPDO – NextGen Joint Planning and Development OfficeMAGENTA – Model for Assessing Global Exposure from Noise of Transport AirplanesNASA – National Aeronautics and Space Administration.NET – Microsoft frameworkNIRS – Noise Integrated Routing SystemNOx – Nitrogen OxidesSAE, A-21 – Society of Automotive Engineers, Aircraft Noise and Emissions Modeling CommitteeSAGE – System for assessing Aviation’s Global EmissionsSST - Supersonic TransportUAS - Unmanned Aerial VehiclesVLJ - Very Light Jets
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