comparison analysis performance of honda jazz using active vtec

FINAL PROJECT
COMPARISON ANALYSIS PERFORMANCE OF
HONDA JAZZ USING ACTIVE VTEC SYSTEM AND
NON-ACTIVE VTEC SYSTEM ENGINE
Submitted as a Partial Fulfillment of the Requirements for Getting
the Bachelor Degree of Engineering in Automotive Department
Arranged by
DHANIL SANJAYA
D200 080 201
MECHANICAL ENGINEERING DEPARTMENT
INTERNATIONAL PROGRAM
IN AUTOMOTIVE/MOTORCYCLE ENGINEERING
MUHAMMADIYAH UNIVERSITY OF SURAKARTA
2012
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DECLARATION OF RESEARCH AUTHENTICITY
I assert verily that the research entitles:
COMPARISON ANALYSIS PERFORMANCE OF HONDA JAZZ
USING ACTIVE VTEC SYSTEM AND NON-ACTIVE VTEC SYSTEM
ENGINE
That made to fulfill some of requirements to get bachelor degree of
Engineering in Automotive Department of Muhammadiyah University of
Surakarta, as far as I know is not a plagiarism of a research that has been
published, except the information source that used to solve the problem.
Surakarta, July 2012
Researcher
Dhanil Sanjaya
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MOTTO
Every action has a reaction and for every hope GOD never say nope
(Erwi Putri Setyaningsih)
Our task is not to succeed. Our task is to try, because in trying that we find
and learn to build an opportunity to succeed.
(Mario Teguh)
Maka sesungguhnya bersama kesulitan ada kemudahan | sesungguhnya
bersama kesulitan ada kemudahan | maka apabila engkau telah selesai
(dari suatu urusan), tetaplah bekerja keras (untuk urusan yang lain).
(Al-Insyirah: 5-7)
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ACKNOWLEDGMENT
Assalamu’alaikum Wr. Wb.
Alhamdulillahirbbil’alamin. Praise and gratitude to be Allah SWT
the lord of universe, because of his blessing and guidance the research
paper can be done.
The final project entitles “Comparison Analysis Performance of
Honda Jazz using Active VTEC System and Non-Active VTEC System
Engine” can be done because of helping and supporting from other
people. Therefore, writer sincerely would like to say thanks and
appreciation to:
1. Ir. Agus Riyanto, MT, as a Dean of Engineering faculty of
Muhammadiyah University of Surakarta.
2. Ir. Sartono Putro, MT, as the Head of Mechanical Engineering
of Muhammadiyah University of Surakarta.
3. Ir. Subroto, MT, as the first supervisor who has given me the
best spirit, suggestion and advised from beginning to the end of
this research.
4. Ir. Sartono Putro, MT, as the second supervisor who has given
the researcher inspiration, spirit, suggestion, and correction to
the paper completion.
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5. All lectures of Automotive Engineering Department for the
guidance during the study in the university.
6. His Mom (Listyo Astuti Ningati) and Dad (Bambang Santoso)
who always give support, prays, everything all the time.
hopefully, the writer can make them happy and always do the
best for family.
7. His Sister (Ayu Candra Giniarti) who always give prays and
support to finished the research.
8. His Beloved (Erwi Putri Setyaningsih) who always give
support, prays and new spirit to the future.
9. All his family Galih, Agil, and other that can’t tell one by one. for
give the support, funny and prays.
10. All students of International program ’08 (Fikri, Abduh, Faizal,
Lucky, Rudy, Rifky, Hawari, Asep) thanks a lot for the best
friendship, new family, suggestion and advice, hope we can the
best engineer.
11. All students of International program ’07 (Sony, Benyamin,
Amar, Rifki, Aldi, Iqbal, Gunawan, David, Jonas) thanks a lot
for friendship, new family, suggestion and advice, hope we can
the best engineer.
12. All friends (Udin, Norman, Yudha, Oka, Safri, Can-can,
Firman, Kausar, fauzan) for give funny days and new family.
13. All
Students
of
International
department, thanks a lot.
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Program
of
Automotive
14. Those who cannot be mentioned one by one, writer wants to say
his thank and appreciation to all of them.
The writer realizes that this research paper is far from being perfect,
so the writer sincerely welcomes any constructive comment, criticism, and
suggestion from anyone.
Wassalamualaikum Wr. Wb.
Surakarta, July 2012
The Writer
Dhanil Sanjaya
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CONTENTS
TITLE.................................................................................................
i
DECLARATION.................................................................................
ii
APPROVAL.......................................................................................
iii
ACCEPTANCE ..................................................................................
iv
ACKNOWLEDGMENT ......................................................................
v
MOTTO ..............................................................................................
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ABSTRACT .......................................................................................
ix
CONTENTS .......................................................................................
x
LIST OF PICTURES ..........................................................................
xii
LIST OF TABLE ................................................................................
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CHAPTER I
INTRODUCTION
1.1 Background of The Study.............................................1
1.2 Objectives of The Study ...............................................2
1.3 Benefit of The Study.....................................................2
1.4 Problem Limitation .......................................................3
CHAPTER II
REVIEW OF LITERATURE
2.1 Literature Study............................................................4
2.2 Fundamental Theory ....................................................5
2.2.1 Combustion .......................................................5
2.2.2 Valve Mechanism ..............................................6
2.2.3 Ideal Otto Cycle.................................................9
2.2.4 Engine Performance Parameter ........................12
2.2.5 Parameter of Engine Performance ....................13
2.2.6 Engine Performance Characteristic ...................15
2.3
SOHC and DOHC VTEC..................................................... 18
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2.3.1
SOHC VTEC ........................................................... 18
2.3.2
DOHC VTEC ........................................................... 19
2.4 Valve Timing ................................................................20
2.5 Camshaft......................................................................22
2.6 Debit.............................................................................26
2.7 Volumetric Efficiency....................................................28
2.8 Overlapping..................................................................30
2.9 VTEC Engine Mechanism ............................................31
2.10 Dynamometer...............................................................36
CHAPTER III
ENGINE TEST METHODOLOGY
3.1
Flow Chart of Engine Test................................................... 38
3.2
Place and Time Research................................................... 41
3.3
Material............................................................................... 41
3.4
Tools ................................................................................. 42
3.5
Experiment Procedures ...................................................... 43
CHAPTER IV
ANALYSIS
4.1
Analysis of Torque ..................................................
4.2
Analysis of Power.........................................................47
CHAPTER V
45
CONCLUSION AND SUGESTION
5.1
Conclusion ..............................................................
50
5.2
Suggestion ..............................................................
51
REFERENCES
APPENDIX
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LIST OF FIGURES
Page
Figure 2.1 Components of Basic Combustion ........................................6
Figure 2.2 Basic reciprocating of internal combustion engine ................7
Figure 2.3 four – stroke operating cycle .................................................9
Figure 2.4 ideal air-standard otto cycle ..................................................10
Figure 2.5 Schematic of principle of operation of dynamometer ............14
Figure 2.6 Typical SI Engine Performance Curves ................................17
Figure 2.7 SOHC Mechanism ................................................................19
Figure 2.8 DOHC Mechanism ................................................................20
Figure2.9 Valve Timing ..........................................................................21
Figure 2.10 Operation of intake and exhaust valves ..............................22
Figure 2.11 Operating system of camshaft ............................................23
Figure 2.12 Valve Lift of Intake and Exhaust..........................................25
Figure 2.13 LSA (Lobe Separation Angle) ............................................26
Figure 2.14 Lift of valve ..........................................................................27
Figure 2.15 Mechanism of Overlapping .................................................31
Figure 2.16 Camshaft Mechanism .........................................................33
Figure 2.17 Rocker arm Mechanism ......................................................33
Figure 2.18 Spool valve Mechanism ......................................................34
Figure 2.19 ECM (Electronic Control Module) .......................................35
Figure 2.20 Mechanism VTEC at low speed ..........................................36
Figure 2.21 Mechanism VTEC at high speed.........................................37
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LIST OF TABLE
Page
Table 3.1 Specification of Honda Jazz Engine……………………………42
Table 4.1 Comparison of the torque………………………………………..45
Table 4.2 Comparison of power…………………………………………….47
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ABSTRACT
Dhanil Sanjaya. D200 080 201, “Comparison Analysis Performance of
Honda Jazz using Active VTEC System and Non-Active VTEC System
Engine” Muhammadiyah University of Surakarta 2012.
The objective of this research is to know the influence variable
valve timing of engine performance of Honda Jazz. Research uses four
stroke engine with two types of engine use active vtec system and engine
not active vtec system. Use dynamometer to know that performance of
Honda Jazz.
Tools preparation step is conducted to prepare the entire tools that
are used in the test. First step is we use Honda Jazz with SOHC VTEC.
We test of performance Honda Jazz engine with active SOHC VTEC
system on dyno test. For the first test, ECM of the car active so when the
beginning vtec will active. Second test, non-activated the ECM so when
vtec will not active, so there is no signal and the hydrolic oil to solenoid
cannot move so that pin on cam also does not working. The mechanism of
VTEC will different between active and not active.
On rotation 4960 rpm, the highest torque generated by active vtec
system is 124.6 Nm and non active vtec is 118.2 Nm. On rotation 6080
rpm, the highest power generated by active vtec system is 94.5 Nm and
non active vtec is 87.2 Nm. Increase number of air-fuel mixture in
combustion chamber which can make performance will increases.
Key words: VTEC mechanism, power and torque.
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