training presentation on diesel engine
TRANSCRIPT
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M/S. WINTECH
ENGINEERING
WORKS,
VISAKHAPATNAM
Presentation on Diesel
Engine
Submitted by:
Abhishek Jakhar
12ME1001
Devendra Yadav
12ME1041
Submitted to:
HOD ME Dept.
MVN University
Palwal
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Diesel Engine Basics
The purpose of the training
Work we have done there:
Working principle
Diesel Engine Process
Operation and Maintenance
Terminology
Components
Classification
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Working Principle
Working Principle :
A reciprocating engine, in the cylinders of which
an introduced charge of air is compressed
sufficiently to ensure spontaneous ignition and
combustion of an atomized stream of fuel injected
into the said charge of compressed air.
Engine which works on the Diesel principle or
Diesel cycle.
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Classification
Number of Stroke - Two Stroke and Four Stroke
Ignition - Compression and Spark
Cylinder Arrangement - Inline and ‘V’
Speed - Low, Medium and High
Classification :
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Terminology
Looking The Engine From Flywheel End
Operating side – left hand or in V-engine A-side.
Back side – opposite of operating side or in V-engine B-side.
Flywheel end – end where flywheel is
Free end – opposite of flywheel end
Bottom – underside
Top – opposite of the bottom
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Terminology
B1
A2
A3A4
A5A6
A7A8
B3B2
B4B5
B6B7
B8
A1
REAR SIDE
FREE END
MANOUVERING SIDE
FLYWHEEL END
B1
A2
A3A4
A5A6
A7A8
B3B2
B4B5
B6B7
B8
A1
REAR SIDE
FREE END
MANOUVERING SIDE
FLYWHEEL END
REAR SIDE
FREE END
MANOUVERING SIDE
FLYWHEEL END
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Engine Components
Abhishek Jakhar
And
Devendra Yadav
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Engine Block
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Crankshaft
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Flywheel :
Components
Bolted to flywheel end of
crankshaft by flange connection
Specific number of bolts are reamed
Smoothens out the speed fluctuations caused by non uniform flow of
power to and from the piston during each stroke
Thin and large diameter disk with
high inertia
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Piston
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Piston Ring :
Components
Made of high quality cast iron
Piston Ring set consist:
• Two comp. + One oil scrapper ring in 32LN
• 2+2 combination or
• 3+1 combination i.e. 3
compression rings plus one oil
scrapper ring or
Cylinder tightness is further
improved by inherent spring force
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Connecting Rod
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Components
Types of Connecting Rods :
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Cylinder head
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Components
Valve Tappet and Push Rod :
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Camshaft
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Components
Camshaft :
The bearing housings are integrated in the engine block
The cams are integrated in the drop forged shaft material
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Piston
Hole for gudgeon pin
Grooves for piston rings
Piston ring set
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Oil Sump
The oil sump, bolted to the bottom of the engine block,
holds the entire lubrication oil quantity,
unless it is a so called dry sump installation.
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Turbocharger
Exhaust gas
inlet ports
Intake air filterExhaust gas outlet
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Twin charge air cooler for a V-engine
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THANK YOU