8/29/24, 3:10 CFM56 3 Turbofan Engine
PM Description
SENECA COLLEGE
CFM56-3 Turbofan Engine
Description
David Aubuchon, John Campbell
8/3/2016
FLP-700
PROFESSOR LABIB
about:blan 1/52
k
,8/29/24, 3:10 CFM56 3 Turbofan Engine
PM Description
Table of Contents
Section Page
1.0 Introduction............................................................................................................. 3
1.1 Overview and Main Parameters.......................................................................... 4
2.0 Compressor Section................................................................................................. 6
2.1 Low Pressure Compressor.................................................................................. 8
2.2 High-pressure Compressor.................................................................................. 14
3.0 Combustion Section................................................................................................. 19
4.0 Turbine Section........................................................................................................ 22
4.1 High Pressure Turbine........................................................................................ 22
4.2 Low Pressure Turbine......................................................................................... 26
4.3 Low Pressure Turbine Frame.............................................................................. 27
4.4 Turbine Cooling and Clearance Control System................................................. 28
5.0 Engine Shaft and Bearing Assembly...................................................................... 32
6.0 Exhaust..................................................................................................................... 34
6.1 Thrust Reverser................................................................................................... 34
7.0 Starter....................................................................................................................... 37
8.0 Fue1 System............................................................................................................. 38
8.1 Fuel System Operation........................................................................................ 38
8.2 Fuel Distribution Description.............................................................................. 40
8.2.1 Fuel Pump................................................................................................. 40
8.2.2 Fuel Filter................................................................................................. 40
8.2.3 Wash Filter............................................................................................... 40
8.2.4 Servo Fuel Heater..................................................................................... 41
8.2.5 Main Oil/Fuel Heat Exchanger................................................................. 41
8.2.6 Main Engine Control (MEC).................................................................... 41
9.0 Lubrication System.................................................................................................. 44
9.1 Supply Operation................................................................................................ 44
9.2 Scavenge Operation............................................................................................ 45
9.3 Venting Operation............................................................................................... 46
10.0 Ice Protection......................................................................................................... 48
References...................................................................................................................... 50
about:blan 2/52
k
,8/29/24, 3:10 CFM56 3 Turbofan Engine
PM Description
1
about:blan 3/52
k
, 8/29/24, 3:10 CFM56 3 Turbofan Engine
PM Description
2
about:blan 4/52
k
PM Description
SENECA COLLEGE
CFM56-3 Turbofan Engine
Description
David Aubuchon, John Campbell
8/3/2016
FLP-700
PROFESSOR LABIB
about:blan 1/52
k
,8/29/24, 3:10 CFM56 3 Turbofan Engine
PM Description
Table of Contents
Section Page
1.0 Introduction............................................................................................................. 3
1.1 Overview and Main Parameters.......................................................................... 4
2.0 Compressor Section................................................................................................. 6
2.1 Low Pressure Compressor.................................................................................. 8
2.2 High-pressure Compressor.................................................................................. 14
3.0 Combustion Section................................................................................................. 19
4.0 Turbine Section........................................................................................................ 22
4.1 High Pressure Turbine........................................................................................ 22
4.2 Low Pressure Turbine......................................................................................... 26
4.3 Low Pressure Turbine Frame.............................................................................. 27
4.4 Turbine Cooling and Clearance Control System................................................. 28
5.0 Engine Shaft and Bearing Assembly...................................................................... 32
6.0 Exhaust..................................................................................................................... 34
6.1 Thrust Reverser................................................................................................... 34
7.0 Starter....................................................................................................................... 37
8.0 Fue1 System............................................................................................................. 38
8.1 Fuel System Operation........................................................................................ 38
8.2 Fuel Distribution Description.............................................................................. 40
8.2.1 Fuel Pump................................................................................................. 40
8.2.2 Fuel Filter................................................................................................. 40
8.2.3 Wash Filter............................................................................................... 40
8.2.4 Servo Fuel Heater..................................................................................... 41
8.2.5 Main Oil/Fuel Heat Exchanger................................................................. 41
8.2.6 Main Engine Control (MEC).................................................................... 41
9.0 Lubrication System.................................................................................................. 44
9.1 Supply Operation................................................................................................ 44
9.2 Scavenge Operation............................................................................................ 45
9.3 Venting Operation............................................................................................... 46
10.0 Ice Protection......................................................................................................... 48
References...................................................................................................................... 50
about:blan 2/52
k
,8/29/24, 3:10 CFM56 3 Turbofan Engine
PM Description
1
about:blan 3/52
k
, 8/29/24, 3:10 CFM56 3 Turbofan Engine
PM Description
2
about:blan 4/52
k
