Aero Engine Roadmap 2050 - MTU Aero Engines
Aero Engine Roadmap 2050 - MTU Aero Engines
Aero Engine Roadmap 2050 - MTU Aero Engines
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Noise Emissions<br />
Tight regulations by ICAO and locally<br />
Further tightening of noise limits are in discussion<br />
Expected growth in world air traffic causes significant environmental challenges<br />
Noise is becoming an important economic factor because of noise charges, quotas and<br />
flight bans<br />
EPNdB rel. to Stage 3<br />
30<br />
20<br />
10<br />
0<br />
-10<br />
-20<br />
-30<br />
-40<br />
Future Requirements<br />
Progress in noise certification limits<br />
Stage 2<br />
Stage 3<br />
ICAO Goals*<br />
Stage 4<br />
Medium Term<br />
Long Term<br />
1970 1990 2010 2030<br />
* www.icao.int/icao/en/Env2010/TechnologyStandards.htm, small-med. range twin<br />
Growth in airport noise restrictions**<br />
Oct. 28, 2011 <strong>Aero</strong> <strong>Engine</strong> <strong>Roadmap</strong> <strong>2050</strong> - Dr. J. Sieber 5<br />
Number of Airports<br />
600<br />
400<br />
200<br />
0<br />
Restrictions:<br />
• Curfews<br />
• Noise charges<br />
• Noise level limits<br />
• Operating quotas<br />
1970 1980 1990 2000 2010<br />
** www.boeing.com/commercial/noise/restrictions.pdf
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