ANALISIS PERBANDINGAN PERFORMA TAKE-OFF
ENGINE CFM56- 7B DENGAN KONFIGURASI THRUST
RATING 26300 LB DAN 24200 LB
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Institusion
INSTITUT TEKNOLOGI DIRGANTARA ADISUTJIPTO
Author
PRADANA HUTAMADI, JOSEPH
Subject
T Technology (General)
Datestamp
2024-07-19 08:25:59
Abstract :
As an one of engine manufacturers, CFM produces CFM56 7B with some thrust rating versions to fulfill market demand. In this case, operator has some considerations in choosing engine which is appropriate with the demand. The engine performance is very important to be considered, especially the engine capabilities when it is being maximally operated in takeoff phase. This research discusses about the CFM56 7B engine takeoff performance comparison between 26300 lbs and 24200 lbs thrust rating configuration. By processing Test Cell Result data using formula in Engine Shop Manual 003, author did a performance calculation to know how much the difference that happened to both of those thrust rating configuration. Based on the analysis done by author, there are some differences on thrust, SFC, EGT, and EGT Margin value. The differences on thrust value were caused by N2 rotational speed at rating of 26300 lbs is faster than 24200 lbs. At SFC value, the value differences at both configuration were not significant. EGT produced by 26300 lbs rating was higher than 24200 lbs, but EGT Margin of 24200 lbs thrust rating is bigger. It can make 24200 lbs thrust rating has longer lifetime than 26300 lbs thrust rating
As an one of engine manufacturers, CFM produces CFM56 7B with some thrust rating versions to fulfill market demand. In this case, operator has some considerations in choosing engine which is appropriate with the demand. The engine performance is very important to be considered, especially the engine capabilities when it is being maximally operated in takeoff phase. This research discusses about the CFM56 7B engine takeoff performance comparison between 26300 lbs and 24200 lbs thrust rating configuration. By processing Test Cell Result data using formula in Engine Shop Manual 003, author did a performance calculation to know how much the difference that happened to both of those thrust rating configuration. Based on the analysis done by author, there are some differences on thrust, SFC, EGT, and EGT Margin value. The differences on thrust value were caused by N2 rotational speed at rating of 26300 lbs is faster than 24200 lbs. At SFC value, the value differences at both configuration were not significant. EGT produced by 26300 lbs rating was higher than 24200 lbs, but EGT Margin of 24200 lbs thrust rating is bigger. It can make 24200 lbs thrust rating has longer lifetime than 26300 lbs thrust rating
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