ENGGEN 115 Engineering Analysis
Name:
Pg1 - SETUP THE PROBLEM
Romanenko
Sasha
Design Question:
is
the
tower
Diagram:
Wind
Tutorial:
arom 411
T24
force/speed
largest wind
the
What
UPI:
support without translating
can
mg
0
17
I
I
Fug
.
?
-
8 2
.
>
I
-
>
-
>
-
-
tw
>
0
-
.
26
>
-
>
-
Tol
>
-
>
Faxe-0"I
-
>
-
Ff
>
-
-
111111111
Parameters (with units):
length
1
FN
M
in
Pd
m2
A
in
v
in
ms-
g
in
ms-2
F
in
kN
M
in
ENGGEN115
width
o
in
m
in
Pa
in
kg/m3
kg
129
ENGGEN 115 Engineering Analysis
Pg 2 - DO THE MATH
Equations to use:
A
=
FN
1
Fr
w
.
=
Assumptions:
mS
ground
FF MN
g
=
2F
Fu
0
=
Pd
=
.
=
1
horizontal
purely
is
is
.
horizontal
2kg/m2
A
vz
Pa Y p
-
.
=
(use other paper for algebraic manipulation)
Analysis Equation (solved for parameter of interest):
Fu Fx
-
t p v2 A-punto
.
.
=
0
Discussion of Analysis Equation (what can you learn from the math?):
velocity
area
of
of
the
130
depends
on
the
surface
tower /in the
wind) and mass
the
direction
of
the tower
ENGGEN115
ENGGEN 115 Engineering Analysis
Pg 3 - CONNECT BACK TO DESIGN
Answer your Design Question:
V= 0
.
6572ms
What other design questions remain for your design? (at least two)
How
much
will
it
tip
weight
can
it
hold ?
slides ?
before it
What other applications could use the same or a similar analysis? (at least two)
Wind
forces on
buildings
Wind
forces
sails
ENGGEN115
on
on
boats
131
ENGGEN 115 Engineering Analysis
Pg 4 - SCRATCH PAPER
Space for algebra (not marked):
A
Pa
Fu
=
=
0
.
03936 m2
M
& yv2
Pd
=
.
A
=
=
0
0
6
.
=
69 65993
5
.
.
0
1 2
.
.
.
.
=
0
.
06966k9
v
5538
=
& E
=
.
V
=
.
0
.
33220v3
0
Fu-Ff =
v2
0 33228
.
=
=
v
132
=
0
.
Mrg
0
.
21
.
0
.
06966
·
9 81
.
=
0
.
1435
6572mst
ENGGEN115