DESIGN OF OVERHEAT RESILIENT ENGINES: ISSUES AND PROSPECTS
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TITLE PAGE
DESIGN OF OVERHEAT RESILIENT ENGINES: ISSUES AND PROSPECTS
BY
---
EE/H2013/01430
DEPARTMENT OF ----
SCHOOL OF ---
INSTITUTE OF ---
DECEMBER,2018
APPROVAL PAGE
This is to certify that the research work, "design of overheat resilient engines: issues and prospects" by ---, Reg. No. EE/H2007/01430 submitted in partial fulfillment of the requirement award of a Higher National Diploma on --- has been approved.
By
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Supervisor Head of Department.
Signature………………. Signature……………….
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External Invigilator
DEDICATION
This project is dedicated to Almighty God for his protection, kindness, strength over my life throughout the period and also to my --- for his financial support and moral care towards me.Also to my mentor --- for her academic advice she often gives to me. May Almighty God shield them from the peril of this world and bless their entire endeavour Amen.
ACKNOWLEDGEMENT
The successful completion of this project work could not have been a reality without the encouragement of my --- and other people. My immensely appreciation goes to my humble and able supervisor mr. --- for his kindness in supervising this project.
My warmest gratitude goes to my parents for their moral, spiritual and financial support throughout my study in this institution.
My appreciation goes to some of my lecturers among whom are Mr. ---, and Dr. ---. I also recognize the support of some of the staff of --- among whom are: The General Manager, Deputy General manager, the internal Auditor Mr. --- and the ---. Finally, my appreciation goes to my elder sister ---, my lovely friends mercy ---, ---, --- and many others who were quite helpful.
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Today’s automobile engines ( such as heavy duty engines) demand more from coolant than ever before and the reason is the higher exhaust gas recirculation gas rate produce more heat, increasing pressure on the coolant performance capabilities. The Cooling system plays an important role to control the temperature of the engine. The overheating of the engine usually occur due to an inefficient cooling system and the failure of cooling system component results in overheating of an engine. This paper presents the analysis conducted to find out the causes of heavy duty engine overheating. The factors which were frequently affecting the engine temperature are found to be the coolant, radiator, fan and the water pump. The mentioned factors are found by using the pareto analysis technique, a survey is also conducted on various heavy duty trucks for the possible causes. The cause and effect diagram is presented to have a clear idea of the causes and its sub causes and the thermal analysis of the radiator is done using Ansys software.
TABLE OF CONTENTS
COVER PAGE
TITLE PAGE
APPROVAL PAGE
DEDICATION
ACKNOWELDGEMENT
ABSTRACT
CHAPTER ONE
- INTRODUCTION
- BACKGROUND OF THE STUDY
- PROBLEM STATEMENT
- OBJECTIVE OF THE STUDY
- PURPOSE OF THE STUDY
- SCOPE OF THE STUDY
- SIGNIFICANCE OF THE STUDY
- LIMITATION OF STUDY
- DEFINITION OF TERMS
CHAPTER TWO
LITERATURE REVIEW
- INTRODUCTION
- ISSUES OF ENGINE OVERHEATING
- PROSPECT OF ENGINE OVERHEATING
- SIGNALS TO LOOK FOR WHEN A CAR OVERHEATS
- OVERVIEW OF ENGINE RADIATORS
CHAPTER THREE
3.0 METHODOLOGY
- INTRODUCTION
- COMPONENTS OF THE COOLING SYSTEM
- DATA COLLECTION
- ANALYSIS OF PROBLEM
- ANALYSIS
- ANALYSIS OF THE RADIATOR
CHAPTER FOUR
- RESULT
CHAPTER FIVE
- CONCLUSION
- REFERENCES
CHAPTER ONE
1.0 INTRODUCTION
1.1 BACKGROUND OF THE STUDY
Car engines are prone to overheating. Most engines are designed to operate within a "normal" temperature range of about 195 to 220 degrees F. A relatively constant operating temperature is essential for proper emissions control, good fuel economy and performance. But problems can arise that cause the engine to run hotter than normal, resulting in engine overheating.
Anytime temperatures climb beyond the normal range, for any reason, your engine is in danger of overheating.
The heavy duty engine in the heavy vehicles usually produce more heat than the commercial vehicles engines it because of their high capacity to carry loads and to maintain a constant speed. The energy produce by these heavy duty engines are enormous, which is a match to its capacity but the problem with these engines are these energy that are produced are not efficiently utilised only 40 % of the energy is utilised by the engine and the remaining 60% is wasted in the form of heat. This waste heat in the engine should be eliminated from the engine in order to avoid the engine from attaining the permissible heat limit.
Every engine has a capacity to cover a certain distance especially the heavy duty truck engines are designed to cover distance in terms of thousands of kilometres, during this journey they need to run in an optimum condition without any failure. In order to attain this condition the excess heat from the engine has to be eliminated so that the permissible limit of the engine is not attained during the journey of the vehicle.
The elimination of the excess heat from the engine is done by the coolant through the cooling systems, the prime objective of the cooling system is to reduce the excess heat generated from the engine. It does its job by leveraging the coolant, the cooling system is complex that circulates the coolant all around the engine through the passage that are produced with in the engine, the coolant which is sent inside the engine will absorb the heat that is generated from the engine, the heat generated by the engine is very high about 2200°C-2500°C and if it continues to be then it may result into seizing.
The cooling of the engine should not go beyond certain limit as it may affect the thermal efficiency of the engine so, the main objective of the cooling system is to keep the engine in a most optimum condition without affecting the efficiency of the engine.
The cooling systems are designed in such a way that when the engine is in a cold state condition they do not cool the engine further more as it will lead to inefficiency so, it will allow the engine to get warm up to the maximum operating temperature, then it starts cooling engine. If the cooling system do not do its job properly then the efficiency of the engine is affected, as it was said earlier especially in the case of the heavy duty engines this is the problem so, we have did some sort of analysis and found the root cause of problems in the cooling systems with the help of pareto analysis
1.2 PROBLEM STATEMENT
When engine heats it may start to detonate. Overheating makes engine to rattle and ping and lose power. If detonation continues, it may damage the rings, pistons and/or rod bearings. This study provides a way out of this problem thereby highlighting possible causes and remedy to engine overheating.
1.3 OBJECTIVE OF THE STUDY
The objectives of the study are listed below:
- To understand the problems that cause overheating in automobile engines
- To set up a strategy in solving those problem.
- To set up a standard for preventing overheating in automobile engines.
1.4 PURPOSE OF THE STUDY
The purpose of this study was to investigate the prospect and problems of overheat engine in automobile. The study also sought to compare the issues and prospect of overheating engines.
1.5 SCOPE OF THE STUDY
The limits of this study is the issues and prospect of overheat resilient engines. A means of ensuring standard means of protecting automobile engines from overheating. The study involves the development of strategy in solving the problem.
1.6 SIGNIFICANCE OF THE STUDY
- This study is significant in the sense that it looked to the meaning of overheating in engines.
- It also help us to understand the problems that causes overheating in engines.
- To know the methods or ways of solving them.
- Furthermore, the results of this finding may help to identify some of the problems contributing to the overheating in engines. Also the results of this study may suggest solutions to overheating in vehicles.
1.7 LIMITATION OF STUDY
This research work in carried out in automobile engines and as a result it is limited from other engines.
1.8 DEFINITION OF TERMS
Automobiles: is a wheeled motor vehicle used for transportation. Most definitions of cars say that they run primarily on roads
Engine Overheating: Overheating is a phenomenon of rising of temperature in engine
Engines: is a machine designed to convert one form of energy into mechanical energy
CHAPTER TWO: The chapter one of this work has been displayed above. The complete chapter two of "design of overheat resilient engines: issues and prospects" is also available. Order full work to download. Chapter two of "design of overheat resilient engines: issues and prospects" consists of the literature review. In this chapter all the related work on "design of overheat resilient engines: issues and prospects" was reviewed.
CHAPTER THREE: The complete chapter three of "design of overheat resilient engines: issues and prospects" is available. Order full work to download. Chapter three of "design of overheat resilient engines: issues and prospects" consists of the methodology. In this chapter all the method used in carrying out this work was discussed.
CHAPTER FOUR: The complete chapter four of "design of overheat resilient engines: issues and prospects" is available. Order full work to download. Chapter four of "design of overheat resilient engines: issues and prospects" consists of all the test conducted during the work and the result gotten after the whole work
CHAPTER FIVE: The complete chapter five of design and construction of a "design of overheat resilient engines: issues and prospects" is available. Order full work to download. Chapter five of "design of overheat resilient engines: issues and prospects" consist of conclusion, recommendation and references.
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