LISTS OF FIGURES
NO. TITLES
PAGE
2.1 Picture of a failed front brakes disc rotor
T.J. Mackin et al, 2000
4
2.2 Schematic view of drum and disc brakes
Baker A.K., 1986
6
3.2.1 Front view of Straight vane rotor
15 3.2.2
Front view of Circular pillar rotor 15
3.2.3 Front view of Solid rotor
15 3.3
Numerical domain for the Straight Vanes rotor
17
3.4 Location of the internal annular heat sources
adapted from Wallis M.L., 2003
18
3.5 Mesh of Straight Vane rotor
20 3.6
Mesh of Circular Pillar rotor 21
3.7 Mesh of Solid rotor
21 3.8
Solver 22
3.9 Operating Condition
22 3.10-3.12
Boundary Condition 23
4.1 Contour of velocity magnitude of air ms
for SV rotor on 100 rads
26
4.2 Contour of velocity magnitude of air ms for
CP rotor on 100 rads 27
4.3 Contour of velocity magnitude of air ms
for Solid rotor on 100 rads 27
4.4 Contour of velocity magnitude of air ms for
28
SV rotor on 180 rads 4.5
Contour of velocity magnitude of air ms for CP rotor on 180 rads
28
4.6 Contour of velocity magnitude of air ms for
Solid rotor on 180 rads 29
4.7 Contour of velocity magnitude of air ms for
SV rotor on 220 rads 30
4.8 Contour of velocity magnitude of air ms for
CP rotor on 220 rads 30
4.9 Contour of velocity magnitude of air ms for
solid rotor on 220 rads 31
4.10 Contour of static temperature K for SV rotor
on 100 rads 32
4.11 Contour of static temperature K for CP rotor
on 100 rads 32
4.12 Contour of static temperature K for Solid
rotor on 100 rads 33
4.13 Contour of static temperature K for SV rotor
on 180 rads 34
4.14 Contour of static temperature K for CP rotor
on 180 rads 34
4.15 Contour of static temperature K for Solid
rotor on 180 rads 35
4.16 Contour of static temperature K for SV rotor
on 220 rads 36
4.17 Contour of static temperature K for CP rotor
on 220 rads 36
4.18 Contour of static temperature K for Solid
rotor on 220 rads 37
4.19 Graph of mass flow versus rotational velocity
for SV rotor 38
4.20 Graph of mass flow versus rotational velocity
for CP rotor 39
4.21 Graph of mass flow versus rotational velocity
for Solid rotor 40
4.22 Graph of convective heat transfer versus
rotational velocity for SV rotor 41
4.23 Graph of convective heat transfer versus
rotational velocity for CP rotor 42
4.24 Graph of convective heat transfer versus
rotational velocity for Solid rotor 43
4.25 Graph of passage heat transfer coefficient
versus speed rads for validation 44
LIST OF SYMBOLS
µ
=
Coulomb friction M
=
Mass V
=
Velocity t
=
Time, s r
=
Radius Q
=
Rate of heat transfer ,WattsW h
=
Convection heat transfer coefficient Wm
2
k A
=
Area T
=
Temperature
D
=
Aerodynamic Drag ρ
=
Density C
d =
Non-dimensional Drag Co-efficient Z
=
Number of vanes D
=
The mid diameter of the rotor
w
=
The flow passage width
t
=
Thickness of the vanes
ω
=
Rotational velocity rads
R
eff =
Effective radius m
a
d =
Deceleration rate rads
2
I
=
Brake rotor inertia kgm
2
E
=
Total braking energy kJ q
=
Heat flux kWm
2
LISTS OF APPENDICES
NO. TITLES
PAGE A
Relationship between brake rotor rotational velocity and external air-stream.
53
B Conversion of Rotor Angular Speed to Vehicle Linear
Speed 54
C Drawing of rotor geometries
55
CHAPTER 1
INTRODUCTION
1.1 Background of project
Kategori