Download - extremes studio presentation mid semester
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FLUID DYNAMICS
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p
phg
phg
phg phg
mg
pg
p p
(h - h )
w3 3
2
=
=
10
FA
P
=P
A
P
kg/m
=Nm
Pascals
12
o
atm
1 11
2 2
5
2
+
phg Pascals0 +
+
water pressure at a given point
water
hydraulic pressure system
Dynamic Venturi TubeStatics
Law of Conservation
static
dynamic
spinning ball
airfoil
velocity is higher here , pressure is lower here
(h is equal)
velocity is lower here , pressure is higher here
- continuity- conservation of momentum- conservation of energy=
=
==
=
=
=
+
+-
++
+ +
-
+
+
=
=
P
1P
1P
1P
P
1P100 P
P P
P-
water pressure at two points
density height gravity
gas pressure in compression
atmospheric pressure
h
h
1 2h
1A 1A
1v
1v
1
1
v
1A 1v
1A
1A
1v1v
2v
2v
2
2 2
2
2v
2
p12 1
v2
1v
2
+
-
2P
2P
p
p
p
12
12
( )
12
2v
2
2v
2
1v
2-( ( ))2
v2
v
h
2A
1A
2A
2A
2v2A
2v2A
2A1Ap
12 1
v2
-( ( ))2A
gas
piston
weight (mg)
rotation direction
10
,
,
,
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Cross�ow and Vortex development studies developed using a wind tunnel
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Velocity Magnitudes studies developed using Computational Fluid Dynamics CFD Fluent 6.3
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Arabic wind tower DubaiShowing system of pressure systems inducing air movement
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The Masdar Headquarters in Masdar City, Abu Dhabi, UAE, will be the world's �rst large-scale, mixed-use, positive-energy building (above). The design consists of eleven glass-enclosed wind cones
CFD software was used to model the building geometry and surrounding wind patterns. Hot winds traveling at high velocities around and over the cone openings create low pressure areas, inducing air�ow out of the cones. The cone’s shape captures cool air moving in the opposite direction.
Adrian Smith + Gordon Gill Architecture
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Pressure systems
Pressure reactive components and di�erentiation in height and pressure creates space.
+
++
-
-
-
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Paper based triangular component used in previous structural design exploration.These components became a load bearing facade system.This was planar, although there is potential for vertical generation
Shamsul Akmal - Self organizing material research
D
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Connecting triangular component at their three ends at different angles
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Connecting to get heightand load bearing experiment
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Connecting to get heightand load bearing experiment
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Two seperate component generation systemsA B
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Two seperate component generation systems layeredA B+
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Component misconnection and limitation of generation
In physical model these can be forced to connect, but if symmetry lines are followed strictly the components will not connect
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Component misconnection and limitation of generation
This connection issue can be resolved by using a connecter component in the form of a ‘X’
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Tensegrity studies for verticality
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Tensegrity studies for verticality
Tension members enclosing the components which are its constraints Enclosure tension members forming support for a vertical connectionTension members compressing components
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Tensegrity studies for verticality
Testing of expansion Testing of compressionAdding more components to add height
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Tensegrity studies for verticality
Bending of system
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Eyebeam Atelier Museum of Art and Technology New York NY 2001Preston Scott Cohen
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Thermohydraulic, wax piston facade panel components
The expansion/contraction of these thermal actuators can be utilized to control the opening range of the panels.
Expansion Curve
Power Stroke
Return Stroke
-5.50
0.508
1.016
1.524
2.032
2.540
3.048
3.556
4.064
4.572
5.080
5.588
6.096
6.604
7.112
7.620
8.128
8.636
-0.4 1.1 5.0 15.3 22.1 30.3 39.2 43.3 51.2 55.2 59.2 60.2 66.2
Rostra Vernatherm, LLChttp://www.rostravernatherm.com/thermal-actuators.htm
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Thermohydraulic, wax piston facade panel components
Component panels and location of thermo actuator to amplify opening
thermo actuator thermo actuator
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Thermohydraulic, wax piston facade panel components
Surface generation studies with plane, curved and double curved surface