Solar Decathlon 17.04.2014 @ TIS | Stefania Rossi (STILE)

STILSTILSTILSTIL
EEEE
SustainableSustainableSustainableSustainable
TechnologiesTechnologiesTechnologiesTechnologies
IntegratedIntegratedIntegratedIntegrated as aas aas aas a
LearningLearningLearningLearning
ExperienceExperienceExperienceExperience
SOLAR DECATHLON 2015
Università degli Studi di Roma Tor Vergata & West Virginia University
Relatrice:
Stefania Rossi
SOLAR DECATHLON 2015_STILE_Universitàdegli Studi di Roma Tor Vergata & West Virginia University

-Collaboration between WVU and UTV since April 2010
-Team foundation in April 2013
-First deliverable on 20th December 2013: Proposal submitting
Results on 13th February 2014: STILE GOT IN!
-Second deliverable on 24th April 2014: Schematic Design Summary
-Third deliverable on 9th October 2014: Design Development
-Fourth deliverable on 12th February 2015: Construction Documentation
-First assembling on July 2015
-Contest held in Irvine(CAL) on 8-18th October 2015
TEAM FEATURES AND HISTORICAL STEPS

ustainable
echnologies
ntegrated as a
earning
xperience
S
T
I
L
E
ACRONYM

1. Roman structure 2. Modern structure
- Reference to the Italian cultural origins
- Image of monumentality
- Recognizable spatial sign
THE ARCH As Architecture sign

THE ARCH

Solar panels Movable louvers
(to get sunlight in)
Movable panels
(to open-up the
solar chimney)
Green Roof
Green Wall
Specialized subfunctions
THE ARCH As Energy solution
- ventilation
- solar energy collection
- shielding
- insulation

SOLAR CHIMNEY
The density differences established
between the top and the bottom of the
building allows the air flowing into the
house, coming from north, west and east
openings
A solar chimney is a key element to ensure:
- The passive ventilation of the house
- The control of natural lighting

SOLAR CHIMNEY
The simulation results showed a remarkable reduction of
the temperature in the house during a typical summer
day, by controlling the chimney opening
High conductivity material

ArchExtendable
Glass-walls
Big patio (shaded by the arch)
linked to the veranda space
House box
Covered space
(veranda)
THE LINK BETWEEN THE ARCH AND THE HOUSE BOX

1. External view:
COMPACT BOX
2. Functional distribution:
2 DIFFERENT SECTIONS
Enclosed and functional
ambients
(walls toward North)
Open space
(glass-walls toward
South, East, West)
HOUSE BOX

Total surface: 60 m2
- Open space:
4 m x 10 m = 40 m2
- Bathroom:
2,3 m x 2 m = 4,6 m2
- Bedroom:
4 m x 2,3 m = 9,2 m2
- Engine room:
1,6 m x 2,8 m = 4,5 m2
HOUSE BOX Floorplan
[1] PATIO; [2] LIVING ROOM; [3] MECHANICAL ROOM; [4] BEDROOM; [5] BATHROOM; [6] STORAGE

SECURITY POWER MANAGEMENT
-Occupancy monitoring
-Window and door sensors alongside
-Cameras
-Motion detectors
-Glass break sensors
-User location
-App notifications
-911 connectivity
-Gesture control
-Voice commands
-Play music and movies
-Control volume levels
-Power balance tracking
-Heavy use identification
-Using certain devices at different times to improve
energy conservation
-Centralized HVAC system
-Solar chimney (temperature sensors, louvers)
-Automatic shaders
HVAC CONTROL
HOUSE AUTOMATION FUNCTIONS
ENTERTAINMENT

House box Functional subdivision
Outward opening The Arch
STILE CONCEPT DEVELOPMENT
Accessibility

DESIGN DEVELOPMENT

ARCH DEVELOPMENT
-”More open” Arch design
-Emphasis on engineering subfunctions

SOLAR CHIMNEY DEVELOPMENT
-Invisible design
-Emphasis on the contrast between the arch and the house box

23
28
33
38
43
48
0 200 400 600
Temperature[°C]
Timestep 10 min
1 room + 4 living room
Closed air vents
0,00
0,10
0,20
0,30
0,40
0,50
0,60
0 200 400 600
Airflow[kg/s]
Timestep 10 min
Closed air vents
Simulations gave the following results:
-the chimney works well to cool the house down
during the hottest hours ( 9 – 18 ) exploiting the
high temperature of the exterior wall.
-the optimal number of air inlets is 3 for each wall
of the living room and 2 in the bedroom.

Three differents cases were simulated:
-the house without the arch;
-the house with arch and panels;
-the house with totally covered arch.
Best results in the third configuration
Compromise between the second and
the third configuration by using brise
soleils on the arch
Practically unfeasible
22
24
26
28
30
32
34
0 100 200 300 400 500 600 700
Temperature[°C]
Timestep 10 min
Arch
Full Arch
Without Arch
0,00
0,10
0,20
0,30
0,40
0,50
0,60
0 200 400 600 800
Airflow[kg/s]
Timestep 10 min
Arch
Full Arch
Without Arch
Arch + Brise Soleil

percorso
FLOORPLAN DEVELOPMENT
Total area: 65 m2
- Open space: 40 m2
- Bathroom: 3,5 m2
- Bedroom: 9,5 m2
- Engine room: 6 m2
- Hallway: 6 m2

ASSEMBLY
x1 Core x5 Pillars
x4
x4 StrutsX5 Floor
X5 Roof
x4 Arch
beams
x1 External
wall
X6 (2x3)
Horizontal beams
x1 External
beam
x4 Arch
base
x1 Internal
wall
x3 Internal
panels
x30 Solar
panels
x195 Movable
louvres

ASSEMBLY
Base Floor modules Core
Roof modules
Internal
External panels Beams Arch base
Arch structure Energy solution on Arch
panels
and pillars

RENDERS

CONCLUSIONS & ACKNOWLEDGEMENTS
-The SOLAR DECATHLON is an excellent opportunity to let the students face with sustainable
house design and realization
-The international collaboration between WVU and UTV is a major strength of STILE as the
schools are complementary in their skills
-Sponsor recruiting has already begun and will be further pursued in the next months
-TIS is acknowledged for inviting the team to present STILE concept
-DOE is acknowledged for supporting
-WVU and UTV are acknowledged for financial and technical support

STILSTILSTILSTIL
EEEE
SustainableSustainableSustainableSustainable
TechnologiesTechnologiesTechnologiesTechnologies
IntegratedIntegratedIntegratedIntegrated as aas aas aas a
LearningLearningLearningLearning
ExperienceExperienceExperienceExperience
SOLAR DECATHLON 2015
Università degli Studi di Roma Tor Vergata & West Virginia University
Relatrice:
Stefania Rossi
THANKTHANKTHANKTHANK
YOU!YOU!YOU!YOU!

Solar Decathlon 17.04.2014 @ TIS | Stefania Rossi (STILE)

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Solar Decathlon 17.04.2014 @ TIS | Stefania Rossi (STILE)