航空 发表于 2011-4-12 11:23:56

CFM56-7 Performance

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航空 发表于 2011-4-12 11:24:16

CFM56-7<BR>Performance<BR>CFM56 Operators Conference – May 21 - 22, 2002 CFM Proprietary Data Unauthorized Disclosure Prohibited 2<BR>• CFM56-7B fleet performance retention similar to -3C1 operation<BR>- Initial on-wing margins significantly higher for similar<BR>ratings providing longer on-wing life<BR>• Thrust operation impacts on performance retention<BR>- Slightly lower deterioration rates with 22k and 24k versus 27k rating<BR>• CFM has noted high deterioration rates on –7B fleets that<BR>have not incorporated periodic core wash procedures<BR>- Typical EGT improvement of 10 -15 °c for effective core wash procedures<BR>CFM56-7 Performance Retention<BR>CFM56 Operators Conference – May 21 - 22, 2002 CFM Proprietary Data Unauthorized Disclosure Prohibited 3<BR>CFM56-7B Takeoff EGT Performance Retention Characteristics<BR>0<BR>10<BR>20<BR>30<BR>40<BR>50<BR>60<BR>0 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000<BR>Cycles Since Installation<BR>Takeoff EGT - °C<BR>-3C1 Average<BR>24K -7B (A)<BR>26K-7B (A)<BR>26K-7B (B)<BR>22K-7B (C)<BR>22K-7B (D)<BR>27K (E)<BR>27K (F)<BR>27K (G)<BR>27K (H)<BR>CFM56 Operators Conference – May 21 - 22, 2002 CFM Proprietary Data Unauthorized Disclosure Prohibited 4<BR>CFM56-7B Takeoff EGT Performance Retention Characteristics<BR>0<BR>10<BR>20<BR>30<BR>40<BR>50<BR>60<BR>0 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000<BR>Cycles Since Installation<BR>Takeoff EGT - °C<BR>-3C1 Average<BR>27K_avg<BR>24k &amp; 26K_avg<BR>22k_avg<BR>Series5<BR>Series13<BR>Transavia 875.201<BR>SW 874.120<BR>Deterioration 2 Sigma Band +/-15 deg c for each rating<BR>CFM56 Operators Conference – May 21 - 22, 2002 CFM Proprietary Data Unauthorized Disclosure Prohibited 5<BR>2001 Year Production EGT Margin<BR>(Both SAC/DAC Models)<BR>Sea Level Corner Point Day Margins<BR>Rating EGT Margin (deg c)<BR>7B27 56<BR>7B26 75<BR>7B24 100<BR>7B22 103<BR>7B20 130<BR>7B18 124

979199501 发表于 2011-4-12 14:21:01

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CFM56-7 Performance

kinran 发表于 2011-6-4 23:36:49

:victory: :victory:

bocome 发表于 2011-7-31 04:23:15

CFM56-7 Performance
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