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Sustainable Aviation NLR and Partners Research
Roland Vercammen
Nationaal Lucht- en Ruim tevaartlaboratorium – National Aerospace Laboratory NLR
Roland Vercammen
Various reasons for sustainable aviation
W orldw ide attention for clim ate change im pact Fossil fuel is lim ited Cost reduction due to fuel efficient operations Environm ental im pact around airports Acceptance and trust of surrounding com m unities
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Vision 2 0 2 0 / ACARE goals
European goals for sustainable aviation
50% reduction in CO2 per passenger
kilometer
50% reduction in perceived noise per flight 80% reduction in NOx Minimise the industries impact on the
p global environment
Exam ple: 5 0 % CO2 reduction
Expected contribution by innovation of:
Aircraft: 2 0 -2 5 % Engine: 1 5 -2 0 % ATM: 5 -1 0 %
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CO2 reduction Necessary to break the trend
New legislation New flight procedures New generation aircraft Enablers a.o.
Reduction of environm ental im pact ( noise and em issions) can be achieved by:
W ays to m ake aviation ( m ore) sustainable
Regulation Reduction by the source Flight procedures
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Airports w ith Noise and Em issions regulations Exam ple: Schiphol
CHAPTER 2 restrictions CHAPTER 2 restrictions CHAPTER 3 restrictions APU operating restrictions Engine run-up restrictions Noise preferential runw ays Flight Track Monitoring System Noise level lim its
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Spatial planning
Restricted area’s for
new houses new houses
Area’s in w hich
existing houses should be rem oved
Noise insulation of
existing houses
EU Em ission Trading Schem e for Aviation
Objective
– End goal: reduction of 70% (2050) of the 1990 total i i emissions – Aviation ETS contributes to the compliance to the Kyoto protocol
Design
– Cap based on average 2004-2006 emissions. 2012: 3% 2013: 5% 2012: 3% , 2013: 5% , 2020: 30% reduction – At start 85% of the rights are given away for free (based on 2010 data) , 15% auctioned
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Airport charges ( benchm ark 2 0 0 8 )
Passenger tax ATC costs Noise charge Security costs Em issions charge Airport costs
source: Luchtvaartnota, april 2009, Ministry of Transport
Project exam ples NLR
Noise enforcem ent
Limiting noise levels of
individual aircraft based on principle of speed camera
Noise measurements
for monitoring: – Monitor: How and what? E ceede s – Exceeders: Who and where? – Address: How and when?
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Project exam ples NLR
New noise legislation system
- Replace legislation system with fixed noise limits in 35 points
- New system: prescribed use of runways and routes due to
- 1. Weather (safety, .....)
- 2. Least noise impact
Reduction of environm ental im pact ( noise and em issions) can be achieved by:
W ays to m ake aviation ( m ore) sustainable
Regulation Reduction by the source Flight procedures
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Reduction by the source
Engine noise &
em issions
Airfram e noise New aircraft
architectures
Engine noise reduction
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NLR contribution to EU Turnex & Proband projects
microphone array microphone array
rotor trailing edge
y
stator rotor leading edge
y
NLR m icrophone array to locate & quantify rotating broadband noise sources in turbofan engine on both rotor and stator (never been demonstrated before!)
Exam ples of NLR projects w ith acoustic m icrophone array technology
Fly-over Fo7 0 Landing gear in DNW W ind turbine
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Engine noise reduction
chevron
Source: NASA
NLR participated in EU SI LENCE( R) project
Fan design Exhaust Nozzle Negatively Scarfed I nlet Up Liner Zere splice I nlet Low Freq. Liners High Freq. Liners Landing Gear Fairings
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Em issions reduction – alternative fuels Engine em ission reduction
NASA/ GE Unducted
1 9 8 6 1 9 8 8
NASA/ GE Unducted Fan Dem onstrators
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NLR contribution to EU DREAM project ( valiDation of Radical Engine Architecture systeMs)
Open rotors are m ore fuel efficient ( by ~ 2 5 % ) but w hat Open rotors are m ore fuel-efficient ( by ~ 2 5 % ) , but w hat about the noise? For DREAM to answ er, in 2 0 1 1 , by ( acoustic) w ind tunnel tests
Aircraft noise reduction
10.0 10.0
777-200 A330-300 MD-11 A320-200 747-400 A300-600R 767-300ER A310-300 757-200 MD-87 MD-82 B-747-300 A300B4-620 A310-222 MD-80 B-747-200 B-747-SP DC-10-40 B-747-200 A300 B-747-200 B-747-100 B-737-200 B-737-200 B-727-200 DC9-10 B-727-100 B-727-100
0.0
Average Noise Level Relative to Chapter 3 (EPNdB) Chapter 2 Chapter 3 Chapter 4 A v e r a g e i n S e r v i c e
B-737-800 B-737-900 A320-232 A318-112 777-200 A330-300 MD-11 A320-200 747-400 A300-600R 767-300ER A310-300 757-200 MD-87 MD-82 B-747-300 A300B4-620 A310-222 MD-80 B-747-200 B-747-SP DC-10-40 B-747-200 A300 B-747-200 B-747-100 B-737-200 B-737-200 B-727-200 DC9-10 B-727-100 B-727-100
0.0
Average Noise Level Relative to Chapter 3 (EPNdB) Chapter 2 Chapter 3 Chapter 4 A v e r a g e i n S e r v i c e
B-737-800 B-737-900 A320-232 A318-112
Source: NASA
MD-90-30
1960 1970 1980 1990 2000 2010 2020
Year of Entry (Approximate) NASA Technology Goal
A340-541 MD-90-30
1960 1970 1980 1990 2000 2010 2020
Year of Entry (Approximate) NASA Technology Goal
A340-541
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Aircraft fuel/ em issions reduction NLR contribution to EU NACRE project ( New Aircraft Concepts REsearch)
Shielding & reflection of noise NLR computation
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NLR contribution to Clean Sky Joint Technology I nitiative
SMART Wing Aircraft Regional Air Transport Green Rotorcraft Green Engines
ATS Model
2 years 3 years 3 years
First Definition
Refined Definition
2 years 3 years 3 years
First Definition
Refined Definition
Simulator Platform AC, ATM, AP (flight segment)
Technology Evaluator Rotorcraft Systems for Green Operation Eco-Design
Linked to “SESAR” Joint Undertaking Linked to “SESAR” Joint Undertaking
Future aircraft architectures
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Reduction of environm ental im pact ( noise and em issions) can be achieved by:
W ays to m ake aviation ( m ore) sustainable
Regulation Reduction by the source Flight procedures
Reduction by flight procedures
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Departure procedures NLR contribution to EU Sourdine projects
7000 Altitude (ft / m) 3000 914 2134 1180-1075 m 2000
Continuous Descent Approach
Distance to threshold (NM / km) 9 ,4 1 7 ,4 2 8 ,3 5 2 ,4 1 1 ,9 2 2 ,0 1 3 ,5 2 5 ,0 2000 610
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Continuous Descent Approach Continuous Descent Approach
Continuous Descent Approaches Current procedures
58 dB(A) 53 dB(A) 48 dB(A)
Lden contour
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NLR contribution to EU OPTI MAL project
ETMA
Required w orking m ethod to enable Continous Descent
TMA
Continous Descent Approaches
OPTI MAL I ntegration in European Airspace Current: 100-200 km Required: ~ 220 km
Conceptual
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OPTI MAL I ntegration in European Airspace But there are more airports....
Conceptual
SESAR: project aim s
S f t 1 0 Environm ent ATM t/ fli ht Capacity x3 Safety x 1 0 Environm ent im pact -1 0 % ATM cost/ flight
Capacity x3
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NLR contribution to SESAR
Safety Environm ent Capacity
- Not decided yet
- Airport Operations Centre
- Operations in Adverse W eather Conditions
- I ntegration of airport ( airline/ ground/ atc) processes
- Advanced-Surface Movem ent Guidance and Control System s
Reduction of environm ental im pact ( noise and em issions) can be achieved by:
W ays to m ake aviation ( m ore) sustainable
Regulation Reduction by the source Flight procedures
I f ti M t I nform ation Managem ent
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I nform ation Managem ent Lden, NAx and TAx NAx Lden TAx
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Virtual Com m unity Noise Sim ulator ( VCNS)
Reduction of environm ental im pact ( noise and em issions) can be achieved by:
W ays to m ake aviation ( m ore) sustainable
Regulation Reduction by the source Flight procedures
I f ti M t I nform ation Managem ent Conclusions
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Conclusions
EU Vision 2 0 2 0 provides am bitious targets
50% reduction in CO2 per passenger kilometer 50% reduction in perceived noise per flight
80% d ti i NO
80% reduction in NOx
Sm all up to large ( EU) program s contribute to
NLR and partners “Break the trend”
“Make the difference” and “Shift Paradigms”
Future .... sustainable aviation.....
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