EMEKA INNOCENT CHIGOZIE.pptx exclusive access to PowerPoint design
1. A PRESENTATION
ON A SIX MONTHS INDUSTRIAL ATTACHMENT AT CAVENDISH MECHANICALS
NIGERIA LIMITED, RIVERS STATE, NIGERIA.
UNDER THE STUDENT'S INDUSTRIAL WORK EXPERIENCE SCHEME (SIWES)
COURSE CODE: SIW400
PRESENTED BY :
EMEKA INNOCENT CHIGOZIE
MATRIC NO: 18/185145021TR
MECHANICAL ENGINEERING
FACULTY OF ENGINEERING AND TECHNOLOGY
UNIVERSITY OF CALABAR, CALABAR, CROSS RIVER STATE NIGERIA.
2. How Does diesel engine works
Think of an engine as a clock. Everything works in synchronization to
keep good time. In a diesel engine, all the components work together to
convert heat energy into mechanical energy.
Combustion: this is the heating of air and fuel together to produce
combustion, which creates the force required to run the engine. It occurs
when the air-fuel mixture heats up enough to ignite. It must burn quickly
in a controlled fashion to produce the most heat energy. Air + fuel + heat =
combustion
Compression: this is when air is compressed, it heats up. The more you
compress air, the hotter it gets. If it’s compressed enough, it produces
temperatures above the fuel’s ignition temperature.
Working Principle
There are different type’s cycles in thermodynamics. Such as Otto cycle,
Carnot vapor cycle, Diesel cycle etc. Out of that cycle, diesel engine
works on diesel cycle. This cycle is also known as constant pressure
3. A PRESENTATION
I WORKED ON Piston Assembly:
The piston transforms the energy of the expanding gasses into mechanical energy. The piston rides
in the cylinder liner or sleeve as Shown in Figure 5. Pistons are commonly made of aluminum or cast
iron alloys. To prevent the combustion gasses from bypassing the piston and to keep friction to a
minimum, each piston has several metal rings around
4. A PRESENTATION
I WORKED ON CYLINDER BLOCK:
The cylinder block, generally a single unit made from cast iron. In a liquid-cooled diesel,
the block also provides the structure and rigid frame for the engine's cylinders, water
coolant and oil passages, and support for the crankshaft and camshaft bearings.
8. A PRESENTATION
CAMSHAFTS OF A D3406 ENGINE
As the valve is opened by the camshaft, it compresses the valve spring. The energy
stored in the valve spring is then used to close the valve as the camshaft lobe rotates
out from under the follower. Because an engine experiences fairly large changes in
temperature (e.g., ambient to a normal running temperature of about 190°F), its
components must be designed to allow for thermal expansion.
9. A PRESENTATION
Cylinder Liner: A cylinder liner is a cylindrical part to be fitted into an engine block to form a
cylinder. It is one of the most important functional parts to make up the interior of an engine.This
is called Cylinder liner in Japan, but some countries (or companies) call this Cylinder sleeve.
10. A PRESENTATION
CONCLUSION
My six months Industrial Training was a success and a great time of acquisition of knowledge
and skills. Through my training I was able to appreciate my chosen course of study even more,
because I had the opportunity to blend the theoretical knowledge acquired from school with the
practical hands-on application of knowledge gained here to perform very important tasks that
contributed in away to my productivity in the field. I have also been able to improve my
communication and presentation skills and thereby developed good relationship with my fellow
colleagues at work.
