Ship Propulsion Systems
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Transcript of Ship Propulsion Systems
Ship Propulsion SystemsShip Propulsion Systems
STEAMSTEAM
DIESELDIESEL
OTHEROTHER
ConventionalConventional
NuclearNuclear
Slow SpeedSlow Speed
Medium SpeedMedium Speed
Gas TurbineGas Turbine
Combined CycleCombined Cycle
GAS TURBINE & COMBINED GAS TURBINE & COMBINED CYCLE PROPULSIONCYCLE PROPULSION
GAS GENEATOR
INTAKE
“JET ENGINE”
HIGH ENERGY GAS
POWER TURBINE
MECHANICAL OUTPUT
EXHAUST
Aero-Derivative Gas TurbineAero-Derivative Gas Turbine
GAS GENEATORPOWER TURBINE
Aero-Derivative Gas TurbineAero-Derivative Gas Turbine
AIR
GAS GENEATOR
COMPRESSOR
HP AIR
COMBUSTION CHAMBER
SPARK PLUG
FUEL
COMPRESSOR TURBINE
MElectric, Air
or Hydraulic Motor start
COMBUSTOR RING
GAS GENEATORPOWER TURBINE
Aero-Derivative Gas TurbineAero-Derivative Gas Turbine
GENERATOR
M
Aero-Derivative Gas TurbineAero-Derivative Gas Turbine
HS PINION
1st REDUCTION
GEAR
GT ELECTRIC DRIVE
COUPLINGcontroller
PROPULSION “BUS”
PROPULSION MOTOR
Other GENERATORS
Aero-Derivative Gas TurbineAero-Derivative Gas Turbine
HS PINION
1st REDUCTION
GEAR
DOUBLE REDUCTION GEAR…
LS PINION
2nd REDUCTION GEAR
THRUST BEARING
LINE SHAFT BRG
STERN TUBE BRG
… with a CRP
AHD AST
CRP: Controllable-Reversible Pitch propeller
Blades pivot on axes radial to the propeller shaft
Pitch is determined by Blade angle
“Feathering” is Zero pitch
Negative pitch yields astern thrust
At constant engine RPM, ship speed is controlled by pitch
Speed = Pitch x RPM
CRP propellers…..CRP propellers…..,,, are common with ,,, are common with Gas TurbineGas Turbine propulsion and many propulsion and many Medium Speed Medium Speed DieselDiesel propulsion ships propulsion ships
… … are occasionally used with are occasionally used with Slow Slow Speed DieselsSpeed Diesels
… … and are rare with and are rare with Steam TurbineSteam Turbine propulsionpropulsion
Aero-Derivative Gas TurbineAero-Derivative Gas TurbineDOUBLE REDUCTION GEAR…
Aero-Derivative Gas TurbineAero-Derivative Gas Turbine
Aero-Derivative Gas TurbineAero-Derivative Gas Turbine
AST
AHD
REVERSING GEAR
FIXED PITCH PROPELLER
SHAFT BRAKEASTERN
HS PINION
AHEAD HS PINION
CLUTCHESMechanicalHydraulicPneumaticElectro-magnetic
AST
AHD
REVERSING GEAR ...
CLUTCHESMechanicalHydraulicPneumaticElectro-magnetic
… may also be used with non-reversing Medium Speed Diesel Engines
Many MEDIUM SPEED Engines …
… are REVERSING ENGINES
… and most SLOW SPEED Engines …
DOUBLE REDUCTION GEARS …
HP
Common BULL GEAR (2nd REDUCTION GEAR)
AHD
LPLP, HS PINION
HP, 1st REDUCTION GEAR
HP, HS PINION
HP, LS PINION
LP, 1st REDUCTION GEAR LP, LS PINION
AST
… are utilized on the TSES VI
Twice!
GENERATOR M
ELECTRIC DRIVE
controller
PROPULSION “BUS”
PROPULSION MOTOR
Other GENERATORS
common with GAS TURBINES
Also used with….
Medium Speed Diesels (Diesel-Electric Drive)
Non-reversing steam turbines (Turbo-Electric Drive)
M
controllerG
GT
GSTEAM TURBINE
COGESCombined Gas and Steam Turbine Electric Systeme.g., Royal Caribbean and Celebrity Cruise Lines
… and COMBINED CYCLES
“WASTE HEAT”
BOILER
GT C
C
C
COmbined Diesel And/Or Gas turbine cycle
Primary Plant: Diesel
Boost Power Plant: Gas Turbine
CODOG: GT takes over for Diesel(s) at high powerCODAG: GT and Diesel(s) running at high power
The Engine Order Telegraph The Engine Order Telegraph (EOT)(EOT)
E.R. TELEGRAPH
BRIDGE TELEGRAPH
The Bell BookThe Bell BookAHEADAHEAD
EMERGENCYEMERGENCY FULL FULL
FULLFULL
HALFHALF
SLOWSLOW
DEADDEAD SLOW SLOW
ASTERNASTERNEMERGENCYEMERGENCY FULL FULL
FULLFULL
HALFHALF
SLOWSLOW
DEADDEAD SLOW SLOWD
E
D
E
STAND-BYSTAND-BY oror “STDBY”“STDBY”
STOP STOP OO oror XX
The Bell BookThe Bell Book
0730 X 0834
0736 X 0840
0741 X 0844
0815 0854
0821 X 0857
0828 X FWE 0915
0829
0833
D
ARR Tenerife, CI 29 May 2005ARR 0730 C-10813340; M- 555810
C- 10815690M- 555821