航线CRJ-200 Power Plant.ppt

1、1,POWER PLANT,2,General Electric CF-34-3B-1,44 Inch Fan Diameter 103 Inches Long 14:1 Compression Ratio,3,TF-34 Used on A-10,4,CF34-3B1,Twin Spool High Bypass Turbofan Take off thrust 8,729 lbs per engine 9,220 lbs on Automatic Performance Reserve (APR),5,TWIN SPOOL,FAN,POWER TURBINE,N1,COMPRESSOR,N

2、2,6,6:1 BYPASS RATIO,BYPASS,CORE,7,FAN,4-STAGE POWER TURBINE,7300 RPM FULL POWER98.6% N1- Max Continuous,CF 34-3B-1 BASIC PARTS,N1,8,Engine construction,The Fan - Called N1 28 Titanium blades Driven by 4-stage low pressure turbine Approximately 7,300 rpm at full power Responsible for up to 80% of th

3、e total thrust Produces bypass air,9,FAN,INLET,BYPASS DUCT,10,18-STAGE AXIAL COMPRESSOR,2-STAGE HIGH PRESSURE TURBINE,17,000 RPM FULL POWER,N2 - HIGH PRESSURE SPOOL,14,11,COMPRESSOR SECTION,18 stage axial flow compressor Variable Geometry (VG) Inlet guide vanes and first 5 stages of stator vanes.Reg

4、ulated by Fuel Control Unit,12,VG SYSTEM,13,CAN ANNULAR COMBUSTION CHAMBER,14,COMBUSTION CHAMBER,15,FUEL NOZZLES,14 PER ENGINE,DUAL ORIFICE,16,EXCITER,EXCITER,COMBUSTION RING,IGNITION SYSTEM,IGNITER,IGNITER,17,EXCITER UNITS,18,IGNITION SYSTEM.,IGNITER PLUG,19,ACCESSORY GEARBOX,ACCESSORY GEARBOX,20,A

5、CCESSORY GEARBOX,21,ACCESSORY GEARBOX,Connected to N2 S tarter N 1 Amplifier A lternator F uel pump O il pump H ydraulic pump,SNAFOH,22,OIL SYSTEM,7-QUART NACELLE TANK,ENGINE-DRIVEN PUMP,BYPASSABLE OIL FILTER,OIL/FUEL HEAT EXCHANGER,OIL REPLENISHMENT SYSTEM,“ENGINE OIL” AURAL WARNING(Below 25 psi),2

6、3,FILTER,FUEL,OIL COOLER,BY-PASS,L ENG OIL PRESS R ENG OIL PRESS,24,Air Turbine Starter,25,AIR TURBINE STARTER,POWERED BY HIGH PRESSURE AIR APUX-SIDE ENGINE (Min 85% N2) AIR CART (Min 40 psi),APU,26,ENGINE MONITORING,27,ENGINE MONITORING,DATA CONCENTRATOR UNITS (DCUS) -COLLECT SENSOR DATA FMS DETERM

7、INES POWER SETTINGS COLOR CODED DISPLAY EICAS WARNINGS,GREEN AMBER RED,ENGINE OIL ENGINE OVERSPEED NO STARTER CUTOUT APR ARMED CONT IGNITION,28,Ignition Modes,Normal (A or B)Ignition during start cycle onlyEven days, use A. Odd days, use B.Battery-only start, use B ContinuousUsed for the following c

8、onditions Takeoff and landings on contaminated runways Crosswind 15kts or greater Moderate or heavy rain Moderate or heavy turbulence Vicinity of thunderstorms Automatic Ignition Stall warning computer triggers continuous ignition at high AOA.,29,ENGINE START,*Air Source Available,IGNITION,L ENG - R

9、,START,START,STOP,STOP,A,B,CONT,START,START,STOP,STOP,ARM,ON,ON,ON,ARM,SELECT EITHER A OR B INGINTION,30,ENGINE START,*Air Source Available,IGNITION,L ENG - R,START,START,STOP,STOP,A,B,CONT,START,START,STOP,STOP,ARM,ON,ON,ON,ARM,A SYSTEM IGNITION SELECTED,31,ENGINE START,*Air Source Available,IGNITI

10、ON,L ENG - R,START,START,STOP,STOP,A,B,CONT,START,START,STOP,STOP,ARM,ON,ON,ON,ARM,PRESS “ON” BUTTON IN A IGNITION SYSTEM,32,ENGINE START,*Air Source Available,IGNITION,L ENG - R,START,START,STOP,STOP,A,B,CONT,START,START,STOP,STOP,ARM,ON,ON,ON,ARM,PRESS “ON” BUTTON IN A IGNITION SYSTEM AND IT ILLUM

11、INATES,33,10th Stage Components,APU,ENG 1,ENG 2,Go to Eng Start Button,ENGINES = OFF APU = ON BATTERY = ON STARTER BUTTON = PUSHED GROUND AIR =CONNECTED,L ENG - R,START,START,STOP,STOP,START,STOP,STOP,START,ENG 1,CRJ200 10th STAGE AIR,34,10th Stage Components,APU,ENG 1,ENG 2,Push START button, and e

12、ngine begins to spool up,ENG 1,CRJ200 10th STAGE AIR,35,N1,ITT,N2,1.5,0,20,20% N2Power Lever Idle Light off within 10 Seconds (ITT Rise) (Max 900 deg),36,10th Stage Components,APU,ENG 1,ENG 2,When Engine reaches 55% N2,ENG 1,CRJ200 10th STAGE AIR,37,APU,ENG 1,ENG 2,ENG 1,CRJ200 10th STAGE AIR,55% N2

13、 Starter, Ignition Cutout L/R Engine Bleed Air SOV closes N2 Accelerates to IDLE (56.5% - 68%),38,10th Stage Components,APU,ENG 1,ENG 2,Left Eng Running now start Right side,ENGINES = OFF APU = ON BATTERY = ON STARTER BUTTON = PUSHED GROUND AIR =CONNECTED,L ENG - R,START,START,STOP,STOP,START,STOP,S

14、TOP,START,ENG 1,CRJ200 10th STAGE AIR,39,10th Stage Components,APU,ENG 1,ENG 2,PRESS THE R “START” BUTTON,ENG 1,ENG 2,CRJ200 10th STAGE AIR,40,10th Stage Components,APU,ENG 1,ENG 2,PRESS THE R “START” BUTTON AND ENGINE SPOOLS UP,ENG 1,ENG 2,CRJ200 10th STAGE AIR,41,N1,ITT,N2,1.5,0,20,20% N2Power Lev

15、er Idle Light off within 10 Seconds (ITT Rise) (Max 900 deg),42,10th Stage Components,APU,ENG 1,ENG 2,ENGINES = OFF APU = ON BATTERY = ON STARTER BUTTON = PUSHED GROUND AIR =CONNECTED,L ENG - R,START,START,STOP,STOP,START,STOP,STOP,START,ENG 1,CRJ200 10th STAGE AIR,55% N2 Starter, Ignition Cutout L/

16、R Engine Bleed Air SOV closes N2 Accelerates to IDLE (56.5% - 68%),43,10th Stage Components,APU,ENG 1,ENG 2,We now have both engines running + the APU,ENGINES = OFF APU = ON BATTERY = ON STARTER BUTTON = PUSHED GROUND AIR =CONNECTED,L ENG - R,START,START,STOP,STOP,START,STOP,STOP,START,ENG 1,CRJ200

17、10th STAGE AIR,44,Starting Problems,45,START MALFUNCTIONS,INTERUPTED START NO LIGHT-OFF N2 STAGNATION LOW IDLE HOT START UNCOMMANDED DECELERATION/ACCELERATION STARTER FAILS TO CUT-OUT,46,START MALFUNCTIONS,INTERUPTED START NO LIGHT-OFF N2 STAGNATION LOW IDLE HOT START UNCOMMANDED DECELERATION/ACCELE

18、RATION STARTER FAILS TO CUT-OUT,47,START MALFUNCTIONS - INTERUPTED START,Thrust levers SHUT-OFF IGNITION OFF DRY Motor WITHIN LIMITS,1st 90 SEC ON5 MIN OFF 2nd 30 SEC ON5 MIN OFFor more,48,START MALFUNCTIONS,INTERUPTED START NO LIGHT-OFF N2 STAGNATION LOW IDLE HOT START UNCOMMANDED DECELERATION/ACCE

19、LERATION STARTER FAILS TO CUT-OUT,49,START MALFUNCTIONS NO LIGHT-OFF,Thrust Lever SHUT-OFF IGNITION OFF DRY Motor WITHIN STARTER LIMITS,1st 90 SEC ON5 MIN OFF 2nd 30 SEC ON5 MIN OFFor more,50,START MALFUNCTIONS,INTERUPTED START NO LIGHT-OFF N2 STAGNATION LOW IDLE HOT START UNCOMMANDED DECELERATION/A

20、CCELERATION STARTER FAILS TO CUT-OUT,51,START MALFUNCTIONS N2 STAGNATION,Thrust Lever SHUT-OFF IGNITION OFF DRY Motor ACCOMPLISH until ITT is reduced below 120C or starter limit.,1st 90 SEC ON5 MIN OFF 2nd 30 SEC ON5 MIN OFFor more,52,START MALFUNCTIONS,INTERUPTED START NO LIGHT-OFF N2 STAGNATION LO

21、W IDLE HOT START UNCOMMANDED DECELERATION/ACCELERATION STARTER FAILS TO CUT-OUT,53,START MALFUNCTIONS LOW IDLE,If N2 speed at idle is more than 2% low (target N2): DO NOT advance thrust levers above 70% of N2, until N2 has stabilized to within normal limits.,54,START MALFUNCTIONS,INTERUPTED START NO

22、 LIGHT-OFF N2 STAGNATION LOW IDLE HOT START UNCOMMANDED DECELERATION/ACCELERATION STARTER FAILS TO CUT-OUT,55,START MALFUNCTIONS HOT START,NOTE: HOT Icon at ITT gauge and/or readout indicates 900C or greater,HOT icon indicates that a hot start is in progress Affected Engine: Thrust lever SHUT-OFF IG

23、NITION (all) OFF DRY Motor ACCOMPLISHED until ITT is reduced below 120C or starter limits,1st 90 SEC ON5 MIN OFF 2nd 30 SEC ON5 MIN OFFor more,56,START MALFUNCTIONS,INTERUPTED START NO LIGHT-OFF N2 STAGNATION LOW IDLE HOT START UNCOMMANDED DECELERATION/ACCELERATION STARTER FAILS TO CUT-OUT,57,START

24、MALFUNCTIONS UNCOMMANDED DECELERATION/ACCELERATION,Engine decelerates or accelerates to thrust settings other than selected with thrust levers. Condition may be intermittent Affected Thrust lever RETARD UNTIL ENGINE RESPONDS IF ENGINE RESPONDS Affected Thrust lever BELOW 79% N2 Affected ENG SPEED sw

25、itch OFF Affected Thrust lever ADVANCE IF ENGINE ACCELERATES TO DESIRED POWER Affected Engine MONITOR (Contd),58,START MALFUNCTIONS UNCOMMANDED DECELERATION/ACCELERATION,CAUTION,DO NOT CHANGE POWER SETTINGS ABRUPTLY AS ENGINE RESPONSE IS DEGRADED,NOTE To minimize asymmetric thrust, both ENGINE SPEED

26、 switches should be selected OFF prior to landing. Thrust should be maintained below 70% n1, before the ENGINE SPEED switches are selected OFF. The APR system is inoperative when engine speed switches are selected OFF,59,START MALFUNCTIONS UNCOMMANDED DECELERATION/ACCELERATION,Affected Thrust lever

27、RETARD UNTIL ENGINE RESPONDS If engine does not respond 2. Single Engine Procedures (SEE Page ABNORM 1-4) - ACOMPLISH,60,POWER PLANT MALFUNCTIONS Single Engine Procedures,AFFECTED ENGINE Thrust lever IDLE and CONFIRM Thrust lever SHUT-DOWN NOTE Cowl anti-icing is not available on the shut-down engin

28、e. Leave icing conditions to prevent ice accumulation HYDRAULIC pump: If left engine shut-down 1B ON If right engine shut-down 2B ON PACK OFF 14th STAGE ISOL OPEN 10th STAGE BLEED CLOSE NOTE Single pack only during single-engine operations, when operating engine is the only source of 10th stage blee

29、d air. Aircraft altitude maximum 25,000 feet during single pack operations (Contd),61,POWER PLANT MALFUNCTIONS Single Engine Procedures,AFFECTED ENGINE (Contd) APU ( at 30,000 feet and below) START APU GEN ON GEN 1 or GEN 2 OFF Fuel System CHECK Quantity & Balance MONITOR 11. Engine Relight ACCOMPLI

30、SH (if Possible) NOTE Do not attempt to relight an engine that is suspected to be not serviceable (due to engine fire, rotor, burst, etc.) Relight engine using starter-assisted cross bleed whenever possible.,62,POWER PLANT MALFUNCTIONS starter-assisted procedures,AFFECTED ENGINE (Contd) BELOW 20,000

31、 feet BOOST PUMPS (BOTH) on Both PACKS OFF 10th STAGE ISOL CLOSE APU LCV CLOSE Operating Engines 10th STAGE BLEED OPEN ECS Dust pressure 60 PSI minimum Advance operative engines thrust lever as required to attain 60 PSI CONT IGNITION ON Affected ENG START SWITCH PUSH 10. Affected Thrust lever IDLE W

32、hen within relight envelope (Contd),63,POWER PLANT MALFUNCTIONS starter-assisted procedures,AFFECTED ENGINE (Contd) 10. Affected Thrust lever IDLE When within relight envelope (Contd) ITT 90C or less AND N2 at least 28%,11. Engine indications MONITOR Check that N2 is positive and uninterrupted: Stab

33、le idle within 2 minutes IF AFFECTED ENGINE DOES NOT RELIGHT WITHIN 25 SECONDS Affected Thrust lever SHUT-OFF Affected ENG STOP switch PUSH Wait 30 seconds then Repeat relight procedures (Contd),64,POWER PLANT MALFUNCTIONS nonstarter-assisted procedures,Below 20,000 feet BOOST PUMP (both) ON CONT IG

34、NITION ON Airspeed NOT LESS 300 KIAS (maintain throughout light-off to stable idle) Affected Thrust lever IDLE when within relight envelope ITT is 90C or less and N2 is at least 12% (above 15,000 feet) or N2 is at least 9% ( at 15,000 feet or below) Engine Indications MONITOR Check that N2 is positi

35、ve and uninterrupted Stable idle within 2 minutes IF ENGINE DOES NOT RELIGHT IN 25 SECONDS Affected Thrust lever SHUT-DOWN Airspeed 300 to 335 KIAS Wait 30 seconds then (Contd),65,POWER PLANT MALFUNCTIONS nonstarter-assisted procedures,Wait 30 seconds then (Contd) Repeat Relight procedures WHEN ENGI

36、NE IS STABALIZED AT FLIGHT IDLE Thrust levers AS REQUIRED Airspeed NOT MORE THAN 250 KIAS if the ADG is deployed Affected GEN ON 14th STAGE ISOL CLOSE 10thSTAGE ISOL CHECK CLOSED APU LCV CLOSE 10TH STAGE BLEEDS OPEN L & R PACKS ON CONT IGNITION OFF HYD PUMPS AUTO/ON BELOW 15,000 FEET (Contd),66,POWE

37、R PLANT MALFUNCTIONS nonstarter-assisted procedures,BELOW 15,000 FEET (Contd) L & R PACKS TRANSFER to APU bleed air, if required IF RELIGHT WAS UNSCCESSFUL: Affected Thrust levers SHUT-OFF Affected 10th STAGE BLEED CLOSE Operative PACK ON CONT IGNITION ON Land at the nearest suitable airport,67,POWE

38、R PLANT MALFUNCTIONS Approach and Landing Single-Engine procedures,BELOW 15,000 L & R PACKS TRANSFER to APU bleed air PRIOR TO APPROACH Go-Around Thrust Add 2% N1 to the two-engine take-off N1 and set N1 bug accordingly GPWS/FLAP OVRD OVRD FOR THE APPROACH AND LANDING Flaps 20 degrees Approach Speed

39、 Not Less than Vref (Flaps 45) +12 Actual Landing Distance (without thrust reverse) NOTE If ground lift dump fails to deploy upon touchdown, select the flight spoilers lever to MAX deploy. If required, use remaining thrust reverse carefully upon landing. Cat II and IIIa operations may be effected by this failure. Before commencing or continuing an ap