form follows energy - akbw · form follows energy. ... tall buildings and ... case study results....

prof. brian cody stuttgart, july 2009

form follows energythe future of energy efficiency


the energy problem


world energy consumptionca. 450 EJ


world energy consumption 2050ca. 1700 EJ (shell prediction for 2050 ca. 1350 EJ)


correlation between economic productivity and energy consumptionfor various countries


buildings and energybuildings accountable for 50% of world energy demand (transport 25%)

transport

industry

buildings


population growth250 000 people per dayyear


energy efficiency


Strategies for increasing energy efficiency?


evaluating energy efficiency


energy demand in the building sector


operating energysteweag steg, graz


total primary energy demandtypical office building


whole systems thinking


embodied energyenergy efficiency of double skin building envelopes


architect: schneider + schumacher

case studybraun hq in kronberg germany



case studyfronius office and laboratory building in wels austria


tall buildingspossible contribution to sustainable development of cities


tall buildings and energy efficiency


tall buildings and natural ventilationmixed-mode-operationgsw tower, berlin

architect: sauerbruch hutton


quantity and quality


mechanical ventilationenergy efficiency compared to natural ventilation in office buildings


what is energy efficiency?


Energy efficiency is the relationship between the quality of the internal thermal environment in a building and the quantity of energy consumption required to maintain this environment

what is energy efficiency?


0%

5%

10%

15%

20%

25%

30%

35%

40%

0 50 100 150 200

Primary Energy Demand kWh/m²a

% o

f occ

upied

hou

rs u

ncom

forta

ble

Low Energy Low Comfort

Low Energy High Comfort

High Energy Low Comfort

COST curve

BEEP curve

High Energy High Comfort

% o

f occ

upied

hou

rs u

ncom

forta

ble

beepbuilding environmental and energy performance

Primary Energy Demand kWh/m²a


beepcase studies


beepcase study results


energy efficient architecture


improving energy efficiency


total primary energy demandtypical office building


ecbeuropean central bank headquarters in franfurt

architect: coop himmelblau


ecbnatural ventilation system


erste campus viennasite analysis

architect: henke schreieck


erste campus viennafloor plan zoning


fast-boxfresh air supply terminal


erste campus viennaenergy supply systems


mocape shenzen chinacontrolled diffuse daylight via grid roof

architect: coop himmelblauarchitect: coop himmelblau


architect: wolfgang tschapeller

hotel schwarzenberg viennalow tech high comfort systems in hotel sector


Architekt: Schneider + Schumacherpaulinenstraße stuttgartintegrated façade and hvac systems



form follows energy


form follows energyrelationship between building form and energy efficiency



case studieslow energy housing, berlinsunbelt offices, san diegoinfineon hq, singapore

architect: assmann salomon und scheidt


architect: tec pmc


case studiesgreat egyptian museum gizaduales system, expo 2000, hannover

architect: atelier brueckner



research projectsport building of the future, puconci, slovenia


architekt: coop himmelblau

mcurmuseum la reunion


mcur la reunionnatural ventilation of the exhibition spaces



media hub, singaporebuilding as power plant


SOLAR BLADES

12 500m² PV 2 300 MWh/a



HANGING GARDENCREATIVE GARDEN

HORIZONTAL GARDEN (SHADING, FILTER, AIR QUALITY)



COLLECTED RAINWATER USED FOR IRRIGATION AND TOILET FLUSHING



PV MODULES PROVIDE SHADE & ELECTRICITY

CHILLED CEILING

AIR SUPPLY


MULTI LAYERED SKIN PROVIDES CONTACT WITH EXTERNAL ENVIROMENT



architect: carsten roth

övag headquarters viennabank hq in perimeter block development in inner city


övag headquarters viennaconventional solutions


övag headquarters viennadevelopment of a new typology


ksp architekten

daimler hqstuttgart


daimler hqdevelopment of the typology


daimler hqenergy concept


daimler zentraleatrium


cultural center zarautznatural ventilation of a 600 seat concert hall



landesarchiv nrw, duisburgpassive conditioning of the archive spaces

architect: ortner & ortner


flexibility and adaptabilityusage neutral architecture?


0

20

40

60

80

100

120

Südbüro in Wien,Fensteranteil ca. 70%

Südbüro in Venedig,Fensteranteil ca. 70%

Büromaschinen 30W/m² statt 15 W/m²

Büromaschinen 7,5W/m² statt 15 W/m²

Südbüro mitVollverglasung (SSG)

undInnenverschattung

Nordbüro mitVollverglasung (SSG)

undInnenverschattung

Südbüro mitFensteranteil ca. 50%

Wohnnutzung

End

ener

gieb

edar

f (kW

h/m

² a)

Wärmebedarf Kühlbedarf

climate changeinfluence on heating and cooling energy demand of buildings

cooling

heating


natural ventilation of tall buildingsresearch project


research projectoptimal degree of density


energy model of austria


bigova bay, montenegroenergy masterplan

architect: ortner & ortner


energy masterplanresources and demand


energy masterplanconventional approach


energy masterplanproposed solution


Architekt: Ortner & Ortner Baukunst

energy masterplanurban and building design solutions


Architekt: Ortner & Ortner Baukunst

energy masterplanenergy grid


energy masterplanenergy supply and storage systems


structural changesteleworking and energy efficiency in society

form follows energy - akbw · form follows energy. ... tall buildings and ... case study results....

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