LIST OF TABLE
NO. TITLE
PAGE NO
3.1 Customer statements and interpreted needs
40 3.2
Functional model analysis 44
3.3 Matrix evaluation method
53 4.1
List of material cost 55
4.2 General Cartridge Information
56 4.3
Gas Data of Cartridge 56
LIST OF FIGURE
NO. TITLE
PAGE NO
2.1 Example of life jacket
4 Source: www.doityourself.com
2.2 Example of Type I life jacket
6 Source: www.marinesafetytt.com
2.3 Example of Type II Life Jacket
7 Source: www.pfdma.org
2.4 Example of Flotation Aid
7 Source: www.wakeboard.com
2.5 Example of Throw Able Device
8 Source: www.livesavingsystems.com
2.6 Example of Special Use Device
9 Source: safelifejackets.com
2.7 Someone that wearing buoyancy aid 50 Newton
10 Source: www.solesupfront.com
2.8 Example of Life jacket of 100 Newton and its symbol
10 Source: www.solesupfront.com
2.9 Someone that wearing life jacket 150 Newton
11 and the symbol of this life jacket
Source: www.solesupfront.com 2.10
People that wearing Life Jacket 275 Newton and 12
the symbol of this life jacket Source: www.solesupfront.com
NO. TITLE
PAGE NO
2.11 A life jacket can hold both an anchor and a person afloat
13 Source: adventure.howstuffworks.com
2.12 The cutting process of the foam using automated
15 cutting machine
Source: www.madehow.com 2.13
A complete life jacket after being through all 16
the manufacturing process Source: www.madehow.com
2.14 Helium is the gas of choice to fill airships such
18 as the Goodyear Blimp
Source: www.wikipedia.org 2.15
Example of carbon dioxide cartridge cylinder 22
Source: www.armausa.com 2.16
Diagram of CO2 pressure VS Fill and Temperature 24
www.hobartwelders.com 2.17
Phase diagram of CO2 25
Source: physics.uwyo.edu 2.18
Example of paintball gun that powered by co2 cartridge 27
Source: www.choicepaintballgunsblog.com 3.1
Flow chart of project outline 35
3.2 Position of the inflator at the life jacket
48 3.3
The general view of Concept 1 48
3.4 The entrance of Concept 1
49 3.5
The working system of Concept 1 49
3.6 The position of inflator at the life jacket
50 3.7
The locking mechanism of concept 2 50
3.8 Front view of inflator system of Concept 2
51 3.9
Inside view of the inflator system of the Concept 2 51
3.10 Concept 3 use 2 unit of inflator system
52
NO. TITLE
PAGE NO
4.1a to s Steps for inflator system fabrication
57-65 4.2
The complete low cost prototype size compares to hand 65
5.1 Explode drawing of the inflator system
66 5.2
The nozzle of the prototype 67
5.3 The trigger button for the prototype
67 5.4
The housing for the prototype of inflator system 68
5.5 The complete assembly drawing of the prototype
68 5.6
The prototype drawing from front plane view 69
5.7 The prototype drawing from front plane view in
69 wireframe display mode
5.8 Life ring is flat before testing
70 5.9
Life ring just after being inflated by inflator system 71
5.10 The shape of life ring is called torus
72 6.1
Overall functional diagram of inflator system for life 81
Jacket
LIST OF SYMBOL
PFD
= personal flotation device
N
= Newton
kg
= kilogram
cm
= centimetre
m
= meter
He
= helium
K
= Kelvin
CO
2
= carbon dioxide
g
= gram
s
= second
mm
= millimetre
°C =
degree Celsius °F
= degree Fahrenheit
Cp =
constant pressure Cv
= constant volume
Ci =
cubic inches PSI
= pounds per square inch
STP =
standard temperature and pressure Q
= volume flow rate
A =
area v
= velocity
τ =
shear stress PDS
= product design specification
RM =
Ringgit Malaysia
Oz =
ounce gl
= gram per litre
V =
volume r
= radius
D =
diameter
LIST OF APPENDIX
NO. TITLE
PAGE NO
A PSM I Gantt Chart
88 B
PSMII Gantt Chart 89
C Carry Out PSM Flow Chart
90 D
Assembly Drawing 91
E Bill of Material
92 F
Material Properties Table 93
CHAPTER 1
INTRODUCTION
1.1 Project Background
