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APPENDIX C EMISSION INDEX ADJUSTMENT FACTORS FOR CO AND HC
C-1 Emission Index Adjustment Factors for CO and HC Figure C-1 below is reproduced from Figure 1 in the main body of this document, with the addition of interpolated traces corresponding to the relative fuel flow rates (FFRs) at which the engines from the flight data recorder (FDR) dataset used in the ACRP 02-45 project operated. The equations for these added lines are presented below the graph. Figure C-1 ⢠CFM56-5B1/2P European FDR shows FFR = 91 â 94 percent of ICAO (-5B1/2P) EI(T)/EIICAO = -0.060 * Temp(K) + 18.6 ⢠CFM56-5B4/2P, -5C4 FFR = 87 percent - 89 percent of ICAO (-5B4/2P) FFR = 85 percent - 91 percent of ICAO (-5C4) EI(T)/EIICAO= -0.078 * Temp(K) + 24.1 ⢠CFM56-5B5/P FFR = 111 â 113 percent of ICAO EI(T)/EIICAO = -0.016 * Temp(K) + 5.1 ⢠CFM56-5B4/2, -7BX, -3B1 90 percent of ICAO EI(T)/EIICAO = -0.068 * Temp(K) + 21.1
