habitat - ecology sustainablity - oisdoisd.brookes.ac.uk/conferences/ukindia/habitat ecology... ·...
Post on 12-Mar-2018
218 Views
Preview:
TRANSCRIPT
1
TitleHABITAT - ECOLOGY
&SUSTAINABLITY
PRESENTED BY
Prof. Dr. Arvind Krishan
FINITE DYNAMIC ECOSYSTEM & REGENRATIVE NATURAL RESOURCE
as determinants of SustainabilityMother Earth
Dynamic Eco-SystemSolar Spectrum
Engine that drives Planet Earth
2
CONCEPTUAL FRAMEWORK FOR AN ECO-SETTLEMENTAN OPTIMUM BASIS FOR HUMAN EXISTANCE
HOLISTIC APPROACH TO SUSTAINABILITY
3
THREE CARDINAL PRINCIPALS OF SUSTAINABILITY
THERE IS NO SUSTAINABILITY WITHOUT EQUITY
Source: Prof. Mike Jenks
4
Residential BuildingsAnnual Consumption=116 billion kWh
13%
4%
34%
7%
28%4%10% Lighting
A/CFansEV CoolerRefrigerationTVOthers Commercial Buildings
Annual Consumption = 33 billion kWh
34%
6%
60%
LightingHVACOthers
Annual electricity consumption in Indian Buildings (Source CMIE 2001)
1.0 kwh (SAVED) = 1.67-1.83 kwh (GENERATED)
= 2.3 for Indian condition
THE IMPERITIVESDEMAND & WASTE
MUST BE MINIMISED
TRADITION AS A CRITICAL RESOURCE
5
TWO INDIAN DESERTS - HABITAT FOOTPRINTS
JAISELMER HOT DRY - Compact
SPITUK LEH - Open
Jaiselmer (Hot dry desert India)
( Max. +52 C )
Leh (Cold dry desert India)
( Min – 30 C )
INDIGENOUS HUMAN HABITAT INDIAA Product of evolution in response to ecological context
6
Subterranean Settlements Loess belt China
Loyang Northern China
INDEGENOUS HUMAN HABITAT
DESERT CITY OF YAZ - IRAN
7
EMERGING SCENARIOGLOBALISATION OR STERILISATION ?
Single Most Contributing Factor
CHINA BAHRAIN INDIA
WHAT WOULD BE CONSIDERED AS HUMAN
ACHIEVEMENT
?
8
•CITIES COVER 1% EARTH SURFACE•CONSUME 75% OF TOTAL WORLD ENERGY
•EMIT 80% OF TOTAL WORLD CO2
Source: UNEP REPORT 2005
WHAT FORM HABITATMUST WE CREATE AN
URBAN TRAPA NIGHTMARE 21ST. CENTURY
?
ASIAN CONDITION
• PRESENT WORLD POPULATION: 6.5 Billion• Asian: India + China Population 40% : 2.6 Billion
• PROJECTED WORLD POPULATION 2030: 10 Billion• Projected India + China Population @ 40%: 4.0 Billion• Projected Urban Population @ 75 to 80 %: 3.2. Billion
India + China
• Delhi Present Population: 16 Million• Delhi Projected Population 2035: 48 Million
9
Source Prof.Yuichiro KodamaKobe Design University
Architect, Dr.Eng.
TOKYO
EXPANDING CITY
VERTICAL CITYHONGKONG
Source: Prof. Michal Wolf
10
WALKING CITYIdyllic City
AUTOMOBILE CITYConsuming City
HABITAT - BUILT FORM
City core
High density area
Middle suburbs-possibility for future redensification
Urban agriculture
Rapid transit
Urban villages/nodes
Possible future Information City – urban villages / nodes (walking oriented) linked by quality public transport,
11
DELHI 2035
NATURAL WATER FLOWS:•THE NATURAL WATER FLOWS IN THE SITE ARE KEY DETERMINANTS OF THE INTERVENTIONS.•THESE POINTS ON THE SITE ARE KEPT FREE FROM BUILT INTERVENTIONS TO RETAIN WATER FLOWS FROM THE RIDGE TO THE SITE AND ALSO TO RETAIN INTRA SITE FLOWS.•THESE ARE THE LINES WHICH DETERMINE THE PATH OF THE AQUADUCTS, WHICH BRINGS IN WATER FRO THE CATCHMENTS ON THE RIDGE TO THE SITE
12
Summing up
Urban level
sector level
unit level
POSSILE BUILT FORM WITH URBAN AGRICULTURE
13
Tokyo 2050 : FibercityProf. OHNO Hidetoshi
TOKYO 2050 Fibercity
14
CAN WE CONVERT THE ENVIRONMENTAL CRISIS INTO AN
OPPORTUNITY
?FOR A NEW ERA
A NEW LANGUAGE OF ARCHITECTURE
BUILDINGS AS CATALYSTS OF SUSTAINABLE
ECO-CITIES ECO-SOCIETIES
15
SOME OF OUR WORK
CRITICAL PROJECTS IN VARIOUS ECOLOGICAL ZONES OF INDIA
Critical Issues
Enhanced Thermal Performance through Architectural Design
Enhanced Daylight Distribution through Architectural Design
Optimise Embodied Energy through judicious material use
Integrate Renewable Energy Systems ( PV etc.)
Cost Effectiveness through:
Enhanced Thermal & Daylight Performance.
Structural System Optimisation
PEDA OFFICECHANDIGARH
16
PEDA Office Chandigarh, India –
A New Language of Sustainable Architecture
PEDA Office
Solar Shells for day light & Work stations
During Construction
17
FASCINATING ARCHITECTURE - PEDA Office
Day lit Working Environment
18
Fascinating Architecture
Restful Working Environment
19
PEDA Office - Architecture Integerates Renewable Energy
BIPV
WIND TOWER
TRIBUNE : JAN 2004TRIBUNE : MAY 2004
20
View of the canal adjoining the south edge of the site
View from the entry gate
Zoning Plan
SSS – National Institute of Renewable Energy, MNES
View of typical Domical vault
Typical Section through Domical Vault and Solar Chimney
PHOTOVOLTAIC PANELS ON SOUTH FACING GLAZING ALLOWS SOME DAYLIGHT INTO THE ATRIUM
DOMICAL LIGHT VAULT COUPLED WITH SOLAR CHIMNEY IN LABORATORIES
POSSIBLE ALTERNATIVES FOR DESIGN OF THE ROOF SECTION
THE HYPERBOLIC ROOF FORM ALLOWS MAX. DAYLIGHT PENETRATION WITHIN THE COVERED SPACE DURING THE WINTER
Hyperbolic Paraboloid Roof and Solar Geometry Relationship
PerspectivePerspectiveR & D wing & Passive
systems
SSS – National Institute of Renewable Energy, MNES
21
SECTIONAL PERSPECTIVE - HOUSING
SSS – National Institute of Renewable Energy, MNES
RAINY WELL
BUILDINGS
SEWER LINE
R T Z
STORM WATER LINE
RECYCLED WATER
ROOFTOP RUNOFF
WATER BODY
SCHEMATIC PLAN FOR RECYCLE & CONSERVATION OF WATER
Pond
Aquifer Recharge
Run Off Collection
Recycled Water
LEGEND R T Z
Rainy Well
Buildings
NIRE
22
View of the Academic block from the water body
A NEW LANGUAGE FOR LARGER INSTITUTESA NEW LANGUAGE FOR LARGER INSTITUTES
SSS – National Institute of Renewable Energy, MNES
Before Retrofit
RETROFIT : HIMURJA BUILDING
A large stock of existing buildings consume a huge amount of natural ( energy ) resources
AFTER RETROFIT
LIMITATIONS CONVERTED INTO OPPORTUNITIES
23
CRITICAL INPUTS
•KNOWLEDGE
•INSPIRATION
•INITIATIVE
•INGENUITY
•THESE WILL COME FROM DESIGNERS – A TEAM OF DESIGN
PROFESSIONALS
A Strong Knowledge Base : Is the Key
Chinese Translation
24
http://learn.unl.ac.uk/~asia/website/index.html
CLEARComfortable Low Energy Architecture
Web based Teaching and Professional packages
•Prof. Fergus Nicol University of East London•Prof. M. Santamorius University of Athens
•Prof. Arvind Krishan CASA•Prof. Ashok Lall TVB
Project supported by European Union ASIA ITC
ROLE OF REGULATION
USE / DEVELOP WITH UNDERSTANDING
AN OPPORTUNITY FOR INNOVATION
CANADIAN GREEN HOUSE
Source: Prof. Michelle AddingtonHarvard / Yale
25
Ecological footprint: Community, City, Region / Country
THE BUILDING -
THE HABITAT
ENERGY - RESOURCE FLOW ECOLOGICAL FOOTPRINT: MODEL
• Heating•Cooling•Electrical•Transportation•Mechanical
Coal, Petroleum etc.
Renewable Energy
•Solar•Wind•Hydro
•Bio-mass•Bio-gas•Manual
Embodied Energy•Minerals•Metallic products•Organic & Inorganic chemicals•Petroleum products•Forest products
Energy Extraction
FOSSIL FUEL MATERIALS
Climatic ParametersQuantitative –Qualitative Environment•Air Temp.•Humidity•Ventilation•Day light
•Local•Regional•Global
•CO2•CFC•Waste Heat•Sewage •Garbage
Air
Water
Land
Flora & Fauna
•Mixed Refuse•Salvaged material•Garbage
• Landfill• Incinerate• Sewage Treatment
Recycle
Reuse
ARCHITECTURAL DESIGN
PRIMARY ENERGY
MODIFIED ENVIRONMENT
REUSE
EMISSIONS
WASTE PROCESSING
SEA SHELL BEE HIVE
MY INSPIRATION
NATURAL HABITAT
26
PHOTOSYNTHESIS V/S PHOTOVOLTAIC• USES SOLAR SPECTRUM
• CONVERTES INTO CHEMICAL ENERGY
• CONVERTES CO2 TO O2
• NATURAL CARBON SEQUESTRATION
• CREATES WATER
• NATURAL COOLING THROUGH EVAPO-TRANSPIRATION
• WASTE CONVERTS TO NITROGEN AS FOOD
• USES SOLAR SPECTRUM
• CONVERTES INTO ELECTRICAL ENERGY 10% - 15%
• 90% WASTED
• CONVERTES INTO HEAT LOWERS CELL EFFICIENCY
• CREATES URBAN HEAT ISLAND
• AS WASTE IS NOT RECYCLABLE
TO MY MIND
DESIGN IS A POWERFUL MEANS FOR ACHIEVING BALANCEBETWEEN MAN AND NATURE
ONLY LIMIT TO WHAT WE CAN DO IS OUR OWN IMAGINATION
WE HAVE THE CAPACITYAND
THE INTELLECTUAL STRENGTH TO DEFINE A NEW WORLD ORDER
A SUSTAINABLE WORLD ORDER
ARVIND KRISHAN
top related