Thermal and Structural Analysis of 4-Cylinder Inline Engine
Thermal and Structural Analysis of 4-Cylinder Inline Engine
Thermal and Structural Analysis of 4-Cylinder Inline Engine
(An Autonomous Institution approved by UGC and affiliated to JNTUH, Approved by AICTE, Accredited by
NAAC with ‘A’ Grade and NBA & Recipient of World Bank Assistance under TEQIP Phase- II S.C.1.1)
Abstract
The inline-four cylinder engine or straight-four We almost take our Internal Combustion Engines for
engine is an internal combustion engine with all granted don’t we? All we do is buy our vehicles, hop
four cylinders mounted in a straight line, or plane in and drive around. There is, however, a history of
along the crankcase. The single bank of cylinders development to know about. The compact, well-
may be oriented in either a vertical or an inclined toned, powerful and surprisingly quiet engine that
plane with all the pistons driving a seems to be purr under your vehicle’s hood just
common crankshaft. Where it is inclined, it is wasn’t the tame beast it seems to be now. It was loud,
sometimes called a slant-four. In a specification chart it used to roar and it used to be rather bulky. In fact,
or when an abbreviation is used, an inline-four engine one of the very first engines that had been conceived
is listed either as I4 or L4. wasn’t even like the engine we know so
well of today. An internal combustion engine is
The main objective of the project is how to
defined as an engine in which the chemical energy of
develop the prototype of four cylinder engine
the fuel is released inside the engine and used directly
assembly using CAD tool SOLIDWORKS.These
for mechanical work, as opposed to an external
Engine assembly consists major components they are
combustion engine in which a separate combustor is
Piston, Connecting Rod Assembly, Crank Shaft,
used to burn the fuel. The internal combustion engine
Cylinder head,CamShaft,Valves,crank case ,oil tank
was conceived and developed in the late 1800s. It has
and spark plug with required dimensions.
had a significant impact on society, and is considered
The components which are developed in one of the most significant inventions of the last
SOLIDWORKS software and analysis are carried out century. The internal combustion engine has been the
in ansys work bench. foundation for the successful development of many
commercial technologies. For example, consider how
Introduction:
this type of engine has transformed the transportation
industry, allowing the invention and improvement of
automobiles, trucks, airplanes and trains.
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cylinder and manifold mass, temperature, burned gas crankshaft and is responsible for transferring power
residual, and pressure dynamics, including from the piston to the crankshaft and sending it to the
combustion effects, as well as the valve actuator transmission. There are different types of materials
dynamics. The cylinder-by-cylinder model is used to and production methods used in the creation of
obtain a cycleaveraged mapping between torque at a connecting rods. The most common types of
given engine speed and intake valve timing, which is connecting rods are steel and aluminum. The most
suitable for future control design implementations. common type of manufacturing processes are casting,
forging and powdered metallurgy.
Main components of the engine
Piston :
Piston is one of the main parts in the engine
Its purpose is to transfer force from expanding gas in
the ylinder to the crankshaft via a connecting rod.
Camshaft :
Camshaft is frequently called “brain” of the engine.
This is so because its job is to open and closed at just
Figure : piston rings
the right time during engine rotation, so that the
Connecting Rod :
maximum power and efficient cleanout of exhaust to
The connecting rod is a major link inside of a
be obtained. The camshaft drives the distributor to
combustion engine. It connects the piston to the
electrically synchronize spark ignition. Camshafts do
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cylinder head
Piston
Assembly Of 4-Cylinder Engine :
Crankshaft
different views of four cylinder engine
cam shaft
Analysis:
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Results:
Aluminum alloy
Aluminum alloy
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Aluminum alloy
Aluminum alloy
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Aluminum alloy:
Aluminum alloy
Results :
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Results:
Aluminum alloy
Aluminum alloy:
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CRANK SHAFT:
Load: 1000N
Results:
CYLINDER BLOCK:
Pressure: 1MPa
Temperature: 500deg
Radiation: 30deg
CAM SHAFT:
Load : 500N
VALVES:
Load: 500 N
Temperature: 150deg
Aluminum alloy: Radiation: 22deg
Conclusion:
Internal Combustion engine is one of the most
important inventions of the last Century. It has been
developed in the late 1800s and from there on it has
had a significant impact on our society. It has been
and will remain for foreseeable future a vital and
active area of engineer research.
Results:
PISTON Using a cad tool called solidworks “FOUR
Load: 5000N CYLINDER ENGINE ASSEMBLY
Temperature: 750deg
Radiation: 30 deg “Straight In-Line order is developed
including few sub-assemblies.
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Springs, crank case, oil tank, cylinder head Thus analysis is carried out on inline 4
spark plug. cylinder engine in ansys work bench
The main objective of this project is to Two different materials grey cast iron and
knowing of designing process using CAD aluminum alloy is applied to individual parts
tool (SOLIDWORKS) and also preparing
components and assembly. This project is Required parameters such as stress, strain,
deals with the deformation, temperature distribution and
heat flux values are obtained and tabulated.
Modeling and analysis of a Four Cylinder
Engine Assembly. and analysis is done From the results aluminum alloy is
using cae tool (solidworks simulation), using
showing best results compared to
these software, here we chosen different
grey cast iron.
type of materials for every component which
are developed in cad tool.
References
The materials are not existing material and Colin R. Ferguson (1986), “Internal
materials are chosen which are better than Combustion Engine Applied
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