In this presentation focus is on definition of Zero Energy Buildings and Net Zero Energy Buildings. Also different aspects of developing Zero Energy Buildings, their advantages and disadvantages have been discussed.
* All the content is not mine. I have collected the data through different places on the net and books.
amount of energy used is equal to amount of renewable energy created on the site
reduce carbon emissions & reduce dependence on fossil fuels
Buildings that produce a surplus of energy over the year are called “Energy Surplus Buildings”
During the last 20 years more than 200 reputable projects claiming net zero energy balance have been realized all over the world.
NZEB buildings consequently contribute less overall greenhouse gas to the atmosphere than similar non-ZNE buildings. They do at times consume non-renewable energy and produce greenhouse gases, but at other times reduce energy consumption and greenhouse gas production elsewhere by the same amount. Traditional buildings consume 40% of the total fossil fuel energy in all over the world and are significant contributors of greenhouse gases.
Introduction
What is zero energy building?
Why zero energy building?
How to adopt zero energy?
Advantage
Disadvantage
Zero energy buildings in India
Zero energy building versus green building
In this presentation focus is on definition of Zero Energy Buildings and Net Zero Energy Buildings. Also different aspects of developing Zero Energy Buildings, their advantages and disadvantages have been discussed.
* All the content is not mine. I have collected the data through different places on the net and books.
amount of energy used is equal to amount of renewable energy created on the site
reduce carbon emissions & reduce dependence on fossil fuels
Buildings that produce a surplus of energy over the year are called “Energy Surplus Buildings”
During the last 20 years more than 200 reputable projects claiming net zero energy balance have been realized all over the world.
NZEB buildings consequently contribute less overall greenhouse gas to the atmosphere than similar non-ZNE buildings. They do at times consume non-renewable energy and produce greenhouse gases, but at other times reduce energy consumption and greenhouse gas production elsewhere by the same amount. Traditional buildings consume 40% of the total fossil fuel energy in all over the world and are significant contributors of greenhouse gases.
Introduction
What is zero energy building?
Why zero energy building?
How to adopt zero energy?
Advantage
Disadvantage
Zero energy buildings in India
Zero energy building versus green building
A zero energy home is not just a “green home” or a home with solar panels.
A zero energy home combines advanced design and superior building systems with energy efficiency and on-site solar panels to produce a better home.
Zero energy homes are ultra-comfortable, healthy, quiet, sustainable homes that are affordable to live in.
Zero Energy Homes are Available Everywhere in Every Size and Style
Zero Energy Homes are Healthier, More Comfortable Homes
Zero Energy Homes Save You Money from Day One
Zero Energy Homes are Quality Homes
Zero Energy Home Certification Protects You from “Green-washing”
Zero Energy Ready Homes Help You Plan for the Future
Carbon Free and Climate Friendly
Zero Energy Homes are Available Everywhere in Every Size and Style
Zero Energy Homes are Healthier, More Comfortable Homes
Zero Energy Homes Save You Money from Day One
Zero Energy Homes are Quality Homes
Zero Energy Home Certification Protects You from “Green-washing”
Zero Energy Ready Homes Help You Plan for the Future
Carbon Free and Climate Friendly
Green Building Case Study on TERI,bangalore.Vinay M
This presentation basically encompasses the green practices which are followed or incorporated in the structure to attain the platinum rating systems and posses the sustainable features that way..!!
Green Buildings - innovative green technologies and case studiesctlachu
Innovative uses of solar energy : BIPV, Solar Forest, Solar powered street elements,- Innovative materials:
Phase changing materials, Light sensitive glass, Self cleansing glass- Integrated Use of Landscape :
Vertical Landscape, Green Wall, Green Roof. Case studies on Green buildings : CII building,Hyderabad,
Gurgaon Development Centre-Wipro Ltd. Gurgaon; Technopolis, Kolkata; Grundfos Pumps India Pvt Ltd,
Chennai; Olympia Technology Park, Chennai.
I came to know regarding this competition from rediff.com
The idea of Energy Efficient design is
to modulate the conditions such that they
are always within or as close as possible to
comfort zone.Modulations introduced by the
landscape,built form,envelope,materials and
other control measures bring the conditions
within the range throughout twenty four hours
cycle.
This is goal of Energy Efficient Architecture
Buildings, as they are designed and used today, contribute to serious environmental and economical problems because of excessive consumption of energy and other natural resources. The close connection between energy use in buildings and environmental damage arises because energy-intensive and monetarily expensive solutions sought to construct a building and meet its demands for heating, cooling, ventilation, and lighting cause severe depletion of invaluable environmental resources
Energy resource efficiency in new constructions
can be effected by adopting an
Integrated Approach To Building Design.
Passive solar design is an important feature in the design of this building.The planning and orientation of spaces and building blocks ensures glare free daylight in all regularly occupied spaces. All the linear blocks are oriented in the East-West direction with shorter facades facing the sun.
Most of the south west facing walls are kept blank in order to protect the building from the harsh south west solar radiations. Where the south west walls have openings, they are protected by means of pergolas or projecting balconies. The east, west and south facades of the building have minimum glazing.
A zero energy home is not just a “green home” or a home with solar panels.
A zero energy home combines advanced design and superior building systems with energy efficiency and on-site solar panels to produce a better home.
Zero energy homes are ultra-comfortable, healthy, quiet, sustainable homes that are affordable to live in.
Zero Energy Homes are Available Everywhere in Every Size and Style
Zero Energy Homes are Healthier, More Comfortable Homes
Zero Energy Homes Save You Money from Day One
Zero Energy Homes are Quality Homes
Zero Energy Home Certification Protects You from “Green-washing”
Zero Energy Ready Homes Help You Plan for the Future
Carbon Free and Climate Friendly
Zero Energy Homes are Available Everywhere in Every Size and Style
Zero Energy Homes are Healthier, More Comfortable Homes
Zero Energy Homes Save You Money from Day One
Zero Energy Homes are Quality Homes
Zero Energy Home Certification Protects You from “Green-washing”
Zero Energy Ready Homes Help You Plan for the Future
Carbon Free and Climate Friendly
Green Building Case Study on TERI,bangalore.Vinay M
This presentation basically encompasses the green practices which are followed or incorporated in the structure to attain the platinum rating systems and posses the sustainable features that way..!!
Green Buildings - innovative green technologies and case studiesctlachu
Innovative uses of solar energy : BIPV, Solar Forest, Solar powered street elements,- Innovative materials:
Phase changing materials, Light sensitive glass, Self cleansing glass- Integrated Use of Landscape :
Vertical Landscape, Green Wall, Green Roof. Case studies on Green buildings : CII building,Hyderabad,
Gurgaon Development Centre-Wipro Ltd. Gurgaon; Technopolis, Kolkata; Grundfos Pumps India Pvt Ltd,
Chennai; Olympia Technology Park, Chennai.
I came to know regarding this competition from rediff.com
The idea of Energy Efficient design is
to modulate the conditions such that they
are always within or as close as possible to
comfort zone.Modulations introduced by the
landscape,built form,envelope,materials and
other control measures bring the conditions
within the range throughout twenty four hours
cycle.
This is goal of Energy Efficient Architecture
Buildings, as they are designed and used today, contribute to serious environmental and economical problems because of excessive consumption of energy and other natural resources. The close connection between energy use in buildings and environmental damage arises because energy-intensive and monetarily expensive solutions sought to construct a building and meet its demands for heating, cooling, ventilation, and lighting cause severe depletion of invaluable environmental resources
Energy resource efficiency in new constructions
can be effected by adopting an
Integrated Approach To Building Design.
Passive solar design is an important feature in the design of this building.The planning and orientation of spaces and building blocks ensures glare free daylight in all regularly occupied spaces. All the linear blocks are oriented in the East-West direction with shorter facades facing the sun.
Most of the south west facing walls are kept blank in order to protect the building from the harsh south west solar radiations. Where the south west walls have openings, they are protected by means of pergolas or projecting balconies. The east, west and south facades of the building have minimum glazing.
Reducing the Operational Energy Consumption in Buildings by Passive Cooling T...Saurabh Gupta
This presentation is part of the completion of my minor project in the final year of my B.Tech Civil Engineering course.
This shows the process of BIM (Building Information Modelling) for reducing operational energy consumption in Buildings by creating 3D model in Autodesk Revit and performing energy analysis in Autodesk Insight in terms of EUI (Energy Use Intensity).
Abstract:
Enormous increases in energy consumption, its costs, and significant challenges posed by climate change have inevitably drawn the world’s attention towards the upgradation of energy efficiency and sustainability of buildings. Building Information Modelling (BIM) has been identified as an effective tool used for energy performance analysis of buildings virtually in the design stage. Applying passive techniques provides a promising and cost-efficient solution to reducing the operational energy demand and decreasing environmental impacts during the lifecycle of the building. This study aims to reduce operational energy consumption in buildings by optimizing different passive parameters. For this purpose, 3D modelling of a residential building and a commercial building is performed using Autodesk Revit and energy analysis is performed using Autodesk Insight. In this paper, various passive techniques like Building orientation, Window-Wall Ratio (WWR), Window Shades and Glass types, Wall and Roof construction, with BIM are assessed to investigate the efficient passive cooling measures on residential and commercial buildings according to climatic conditions of New Delhi, India. The results indicate that the annual operational energy consumption can be reduced to 17.4% in residential building and 16% in commercial building by incorporating passive techniques. The findings will be helpful in passive building design and development in India and contribute to further energy reduction and optimization to realize both energy efficiency and favourable building environments and thermal comfort of the occupants.
There is no denying the fact that human habitat is an essential part of a civil society but at the cost of nature.
The natural resources are limited and depleting very fast.
Global CO2 emission is growing at 1.3% per year.
Energy in all forms generated for use by man is continuously getting more expensive and becoming scarce in availability.
Thus we must enforce measures of sustainability and live in harmony with nature.
Green Building: Sustainable Architecture
Environmentally responsible and resource efficient building design. Architecture that minimizes the negative environmental impact of buildings by efficiency in the use of materials and energy. Goal: to effectively reduce the overall impact of the built environment on human health and the natural environment and increase comfort and livability. Consistent with AIA sponsored Architecture Challenge 2030.
McNaughton Architectural Inc. | http://mna-p.com
300 E State St Suite 360, Redlands, CA 92373
(909) 583-1806
Sustainable architecture is architecture that seeks to minimize the negative environmental impact of buildings by efficiency and moderation in the use of materials, energy, and development space.
Sustainable architecture uses a conscious approach to energy and ecological conservation in the design of the built environment.
The idea of sustainability, or ecological design, is to ensure that our actions and decisions today do not inhibit the opportunities of future generations.
Hierarchical Digital Twin of a Naval Power SystemKerry Sado
A hierarchical digital twin of a Naval DC power system has been developed and experimentally verified. Similar to other state-of-the-art digital twins, this technology creates a digital replica of the physical system executed in real-time or faster, which can modify hardware controls. However, its advantage stems from distributing computational efforts by utilizing a hierarchical structure composed of lower-level digital twin blocks and a higher-level system digital twin. Each digital twin block is associated with a physical subsystem of the hardware and communicates with a singular system digital twin, which creates a system-level response. By extracting information from each level of the hierarchy, power system controls of the hardware were reconfigured autonomously. This hierarchical digital twin development offers several advantages over other digital twins, particularly in the field of naval power systems. The hierarchical structure allows for greater computational efficiency and scalability while the ability to autonomously reconfigure hardware controls offers increased flexibility and responsiveness. The hierarchical decomposition and models utilized were well aligned with the physical twin, as indicated by the maximum deviations between the developed digital twin hierarchy and the hardware.
NO1 Uk best vashikaran specialist in delhi vashikaran baba near me online vas...Amil Baba Dawood bangali
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Explore the innovative world of trenchless pipe repair with our comprehensive guide, "The Benefits and Techniques of Trenchless Pipe Repair." This document delves into the modern methods of repairing underground pipes without the need for extensive excavation, highlighting the numerous advantages and the latest techniques used in the industry.
Learn about the cost savings, reduced environmental impact, and minimal disruption associated with trenchless technology. Discover detailed explanations of popular techniques such as pipe bursting, cured-in-place pipe (CIPP) lining, and directional drilling. Understand how these methods can be applied to various types of infrastructure, from residential plumbing to large-scale municipal systems.
Ideal for homeowners, contractors, engineers, and anyone interested in modern plumbing solutions, this guide provides valuable insights into why trenchless pipe repair is becoming the preferred choice for pipe rehabilitation. Stay informed about the latest advancements and best practices in the field.
Final project report on grocery store management system..pdfKamal Acharya
In today’s fast-changing business environment, it’s extremely important to be able to respond to client needs in the most effective and timely manner. If your customers wish to see your business online and have instant access to your products or services.
Online Grocery Store is an e-commerce website, which retails various grocery products. This project allows viewing various products available enables registered users to purchase desired products instantly using Paytm, UPI payment processor (Instant Pay) and also can place order by using Cash on Delivery (Pay Later) option. This project provides an easy access to Administrators and Managers to view orders placed using Pay Later and Instant Pay options.
In order to develop an e-commerce website, a number of Technologies must be studied and understood. These include multi-tiered architecture, server and client-side scripting techniques, implementation technologies, programming language (such as PHP, HTML, CSS, JavaScript) and MySQL relational databases. This is a project with the objective to develop a basic website where a consumer is provided with a shopping cart website and also to know about the technologies used to develop such a website.
This document will discuss each of the underlying technologies to create and implement an e- commerce website.
Welcome to WIPAC Monthly the magazine brought to you by the LinkedIn Group Water Industry Process Automation & Control.
In this month's edition, along with this month's industry news to celebrate the 13 years since the group was created we have articles including
A case study of the used of Advanced Process Control at the Wastewater Treatment works at Lleida in Spain
A look back on an article on smart wastewater networks in order to see how the industry has measured up in the interim around the adoption of Digital Transformation in the Water Industry.
1. 1
PLANNING, DESIGN AND EFFECTIVENESS STUDY OF ZERO ENERGY
BUILDING
A PROJECT PRESENTATION ON
PRESENTED BY:
ANIL SINGH
ASHOK BHANDARI
2. DESIGN, PLANNING AND EFFECTIVENESS STUDY OF ZERO ENERGY BUILDING
2
WIFI CONCEPT OF ENERGY
No Distribution charge and no loss of energy
Sustainable and reduce environmental cost
3. DESIGN, PLANNING AND EFFECTIVENESS STUDY OF ZERO ENERGY BUILDING
3
INTRODUCTION
Worldwide growing energy resource shortage
The building with zero net energy consumption, meaning the total amount of energy used by the
building on an annual basis is roughly equal to the amount of renewable energy created on the site, or in
other definitions by renewable energy sources elsewhere are known as Zero Energy Buildings.
“zero goal”
Complex concept
4. DESIGN, PLANNING AND EFFECTIVENESS STUDY OF ZERO ENERGY BUILDING
4
To provide the detail, ambitious, clear definition and fast uptake of zero energy building.
Possible technical solution of energy demand and energy produced on site.
Design a building with Net zero energy concept.
To eliminate the necessity of active energy loads on the building.
Comparing the net zero energy building with conventional building.
Recommendations on various climatic conditions
OBJECTIVE
5. DESIGN, PLANNING AND EFFECTIVENESS STUDY OF ZERO ENERGY BUILDING
5
IMPORTANCE
Isolation for building owners from future energy price increases.
Increased comfort due to more uniform interior temperatures.
Reduced requirement for energy austerity.
Reduced total cost of ownership due to improved energy efficiency.
Extra cost is minimized for new construction compared to an afterthought retrofit.
Higher resale value as potential owners demand more ZEBs than available supply.
6. DESIGN, PLANNING AND EFFECTIVENESS STUDY OF ZERO ENERGY BUILDING
6
LITERATURE REVIEW
Coined by Torcellini et al. in 2006
Kilkis, (2007) basically focused on balancing “zero” both quantity and quality of energy and stated that
both these factors should be taken into considerations.
Mertz, et al. (2007) made two approaches towards ZEB: a net-zero energy building or net-zero CO2 (CO2
neutral) building
Jens Laustsen in 2008, at International Energy Agency, USA (IEA) defined as
Zero Net Energy Buildings
Zero CO2 buildings Buildings
Hernandez et al. (2010) indicates that accounting embodied energy in the balance would allow to
estimate the true environmental impact of a building.
7. DESIGN, PLANNING AND EFFECTIVENESS STUDY OF ZERO ENERGY BUILDING
7
LITERATURE REVIEW
Option
Number
ZEB supply side options Examples
0 Reduce site energy use through low building technologies Daylighting, high efficiency HVAC equipment, natural
ventilation, evaporative cooling etc.
1 Use renewable energy sources available within the
building’s footprint.
PV, solar hot water, and wind located on the building.
2 Use renewable energy sources available at the site PV, solar hot water, low-impact hydro, and wind located on-
site, but not on the building
3 Use renewable energy sources available off site to
generate energy on site
Biomass, wood pellets, ethanol, or biodiesel that can be
imported from off site, or waste
4 Purchase off-site renewable energy sources Utility-based wind, PV, emissions credits, or other “green”
purchasing options. Hydroelectric is sometimes considered.
ZEB Renewable Energy Supply Option Hierarchy, Torcellini, (2006)
8. DESIGN, PLANNING AND EFFECTIVENESS STUDY OF ZERO ENERGY BUILDING
8
CHEAPEST SOLUTION EXPENSIVE SOLUTION
Passive Design of Building Use of Energy Efficient Systems Use of Renewable Energy
Priority 1 Priority 2 Priority 3
demand reduction
(using passive low cost measures)
operational reduction
(using active measures average cost methods)
recover and offset
(consumption using advanced high cost
measures)
• Massing
• Building envelope design
i. Wall insulation
ii. Control on window to wall ratio(WWR)
iii. Solar heat gain coefficient, visible light
transmittance and u-values (choice of
materials)
iv. Day lighting
v. Space planning
• Active solar design
• Selection of high efficiency equipment of
energy control
• Enhancement of HVAC design
• Thermal storage, heat recovery etc.
• Off grid Renewable energy
APPROACH TOWARDS ZEB
9. DESIGN, PLANNING AND EFFECTIVENESS STUDY OF ZERO ENERGY BUILDING
9
SURVEY TO BE DONE
1. Energy Focus
2. Energy Supply System
3. Renewable Energy Options
4. Type Of Renewable Sources
5. Building Type
6. Single Or Community
STEPS
1. Evaluation of the building energy demand using as Input data
2. Assessing the on-site renewable energies potential
3. Already implemented ZEB, case study
4. Developing and optimizing energy mixes using 3D drawings for passive
design
5. Heat transfer through insulated envelope
• U- value calculation
• COMSOL SIMULATION
6. Solar energy calculation
7. Structural design
10. DESIGN, PLANNING AND EFFECTIVENESS STUDY OF ZERO ENERGY BUILDING
10
BUILDINGS:MAJOR CONSUMER
Industry
33%
Buildings
39%
Transportat
ion
28%
Industry Builldings Transportation
• Dominant consumer of the fossils and energy
• European countries have already targeted 2050
to make every home a zero energy building.
• INDIA- hardly started
• Only one purpose- sustainable development
11. DESIGN, PLANNING AND EFFECTIVENESS STUDY OF ZERO ENERGY BUILDING
11
1% 13%
20%
27%
13%
4%
6%
10%
1%
5%
RESEDENTIAL
Heating
Water Heating
lighting
Cooling
Refrigeration
Electronics
Wet Clean
Cooking
Computers
Others
29%
27%3%
7%
7%
7%
4%
3%
2%
11%
INDUSTRIAL
Lights
Cooling
Heating
Water Heat
Office Equipments
Ventilation
Refrigeration
Computers
Cooking
Others
• Control should be done on the major areas like heating and cooling.
12. DESIGN, PLANNING AND EFFECTIVENESS STUDY OF ZERO ENERGY BUILDING
12
DESIGN OF PROPOSED RESEDENTIAL BUILDING
PASSIVE DESIGN
Design as per sun and temperature
The building itself or some element of it takes advantage of natural energy characteristics in materials
and air created by exposure to the sun
Kerala lies on northern hemisphere
Orientation of building Solar gain received Design remarks
True South 100% A 3D model was rotated over the artificial sky
software “LUMION” to get orientation as 10 degree
away from south to get optimum shading whereas
solar panels will be kept on true south. Most of
windows south faced and longer axis on east west.
22.5° away from south, either south-south-
east or south-southwest
92%
45° away from south, either southeast or
south-west
70%
67.5° away from south, either east-south-east
or west-south-west
36%
1. ORIENTATION
13. DESIGN, PLANNING AND EFFECTIVENESS STUDY OF ZERO ENERGY BUILDING
13
• Major component of envelope forming for any building.
• Best way to maintain the indoor temperature is by providing the insulation over the wall.
components Materials Width(m)
1 Brick 0.10
2 Holder(timber) 0.005
3 Insulation1 0.05
4 Insulation2 0.05
5 Plaster 0.003
Dimensions of wall
** On the basis of U-value and heat transfer
2. WALL DESIGN
14. DESIGN, PLANNING AND EFFECTIVENESS STUDY OF ZERO ENERGY BUILDING
14
almost the 30% in the building envelope for zero energy building.
Orientation Type Area(m2) Remarks
East 2 triple glazed window
2 double glazed window
2*(2*1.5)
+2*(1.5*1.5)
=10.5
It is the hottest side and the main living room for the owner is
selected as it isn’t used during day.
Site consist trees on this side for shading.
West 2 double glazed 2*(1.5*1.5) =4.5 Due to shade, double glazing is sufficient
North Ventilations and windows
for kitchen and dinning
Approx..6 Since the sun is tilted to little south side of the building the big
rooms are selected on this side
South 3 triple glazed**
windows and 3 louvrens
3*(2*1.5) +3*(1*1.5)
=13.5
For northern hemisphere of the earth, windows should be south
faced and most of the rooms for study and working rooms are
on this side preferably
3. WINDOW DESIGN
15. DESIGN, PLANNING AND EFFECTIVENESS STUDY OF ZERO ENERGY BUILDING
15
Windows components
Detail of doubly glazed window
Selection on the basis of U-value and heat transfer.
16. DESIGN, PLANNING AND EFFECTIVENESS STUDY OF ZERO ENERGY BUILDING
16
Incoming solar radiation in buildings has strong implications both on visual and thermal aspects.
Since the temperature variations is not seen significant in this climatic conditions fixed shadings are reliable,
how ever lightshelves should be used on south east rooms.
4. SOLAR SHADINGS
Orientation Provisions Remarks
EAST 65cm outer shading, 10cm internal shadings as light sleves More heat on south east
WEST 65cm outer shading -
NORTH 65cm outer shading -
SOUTH 65cm outer shading for both windows and louvrens A vertical shadings sheet on
eastern portions.
Dimensions was fixed from LUMION to have shade on maximum height sun
17. DESIGN, PLANNING AND EFFECTIVENESS STUDY OF ZERO ENERGY BUILDING
17
Provides incoming pre-cooled air into the building using earth as he cooling source.
significant decrease in temperature of 4oC.
Designed as per literature available
• Tubes length= 20m which are made
coiled form of 5m each (for 4 living
room)
• Depth = 3m
• Turns =2*4
• Diameter =12cm
Fig :Side view on bottom portion of building
5. GROUND COOLING
18. DESIGN, PLANNING AND EFFECTIVENESS STUDY OF ZERO ENERGY BUILDING
18
6. FLOOR AND EDGES
Element Description Element
Thickness(mm)
Inside surface -
Sand cement screed 65.0
Concrete 1:2:4 2000 kg/m³ 150.0
Polythene separation layer 0.5
Insulation on edges 50.0
Damp proof membrane 0.9
Ground -
Dimensions Drawings
19. DESIGN, PLANNING AND EFFECTIVENESS STUDY OF ZERO ENERGY BUILDING
19
ROOF usage
2nd floor
25m2 For solar panels
4m2 For sky lights above staircase
Roof above living rooms Extra 50mm damp-proof concrete is used and made a green roof by planting
grasses. During the structural design the weight of this soil and material are
considered which increases by 1kN/m2
Remaining roof and 1st
floor roof-portion
Used for rain water harvesting and made 1:45 slope and also painted with perfect
white.
UTILITY OF THE ROOF
7. ROOF DESIGN
20. DESIGN, PLANNING AND EFFECTIVENESS STUDY OF ZERO ENERGY BUILDING
20
20
This colour
absorbs more than this
Roof top colour
24. DESIGN, PLANNING AND EFFECTIVENESS STUDY OF ZERO ENERGY BUILDING
24
CHECK FOR PROPOSED DATAS
U-VALUE
Measure of how much heat is lost through a given thickness of a particular material, but includes
the three major ways in which heat loss occurs – conduction, convection and radiation.
Significance
planning energy related renovations of buildings, selection process
Temperature difference
Insulation quality
upper resistance limit (R upper) and lower resistance limit (R lower) calculated and U = 1/R1.
25. DESIGN, PLANNING AND EFFECTIVENESS STUDY OF ZERO ENERGY BUILDING
25
F1
F2
F3
F4
external
surface
internal
surface
1 2 3(b) 4(a) 5
6
1 2 3(a) 4(b) 5
6
1 2 3(b) 4(b) 5
6
1 2 3(a) 4(a) 5
6
2
external surface
1
3 (b)
3 (a) 4 (a)
4 (b)
5
internal surface
Heat flow through blocks for upper resistance
Heat flow through blocks for lower resistance
Result
U- value= 0.32 W/m2K
26. DESIGN, PLANNING AND EFFECTIVENESS STUDY OF ZERO ENERGY BUILDING
26
UT = [0.35-0.19(AR/AT) -0.10(AGF/AT) + 0.413(AF/AT)]
TARGET U-VALUE FOR BUILDING
Exposed element Exposed surface area
(m2)
U-value
(W/m2K)
Rate of heat loss per degree
Wall 308.4 0.19 58.60
Roof 195.65 0.23 45.00
Ground floor 124.93 0.23 28.73
Windows
Triple glazed
Doubled glazed
15.00
10.08
2.7
3.01
40.50
32.50
Solid doors 3.99 3.0 11.97
Totals 658.95 217.30
= 0.467 W/m2K.
Uavg =
Total rate of heat loss per degree
Total external Surface area
=
217.3
658.95
= 0.33 W/m2K
OK!!
27. DESIGN, PLANNING AND EFFECTIVENESS STUDY OF ZERO ENERGY BUILDING
27
Simulation of heat transfer from the envelope of the building.
DOMAIN material Density(kg/m3) Thermal
conductivity(W/mK)
Specific heat
capacity(J/kgK)
1 brick 1820 0.811 820
2 Holder(timber) 600 0.072 1680
3 insulation 35 0.02 880
4 insulation 35 0.018 882
5 plaster 740 0.18 1050
BOUNDARY CONDITIONS
Outside : 313K Heat flux: Natural convection with ambient temperature same as 313K
Inside: 296K Heat flux: Natural convection with ambient temperature 296K
SIMULATION ON COMSOL
1. WALL
29. DESIGN, PLANNING AND EFFECTIVENESS STUDY OF ZERO ENERGY BUILDING
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RESULTS AND DISCUSSION
With ground cooling Without ground cooling
Till 3 and half hours, the
temperature will be below the
initial temperature
unidirectional heat flow and inner
temperature rises to 299.2K after 6 hours
30. DESIGN, PLANNING AND EFFECTIVENESS STUDY OF ZERO ENERGY BUILDING
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Comparison of single, double, triple glazed window is done by following the above procedure and using
4mm thickness glass and 12mm thickness argon-fill
After the heat transfer for 6 hours, triple
glazed window is more efficient as the
internal temperature will increase to
301K compared with 303K for double
glazed and 308K for single glazed.
2.WINDOW
Figure: Comparison graph of single, doubled and tripled glazed window
Single glazed
Double glazed
Triple glazed
31. DESIGN, PLANNING AND EFFECTIVENESS STUDY OF ZERO ENERGY BUILDING
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Energy calculated on the carpet area and demand reduction on the basis of case studies
TOTAL CONNECTD LOAD = 19870W
DIVERSITY FACTOR = 2.5
MAXIMUM DEMAND =7948W
REDUCED DEMAND =4000W
ENERGY OPTIONS
For a residential home , the on-site source most usually is solar energy.
Ministry of New and Renewable energy will provide the online calculation and provides idea about
the required cost of the rooftop solar panels.
ENERGY CALCULATION
32. DESIGN, PLANNING AND EFFECTIVENESS STUDY OF ZERO ENERGY BUILDING
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SELECTION OF STATE: KERALA
• Average DNI OF KERALA= 5.023200195
• Considered as higher value
• Roof area used be 25%
• Feasible Plant size= 4kW
• Cost of the Plant:
• Without subsidy: 300,000
• With 30% subsidy: 210,000
• Total Electricity Generation from Solar Plant:
• Annual: 6000kWh
• Life-Time (25 years): 150000kWh
• Loan provided by MNRE: ₹52500
• Loan Interest Rate: 10%
• Loan Period: 10 years
33. DESIGN, PLANNING AND EFFECTIVENESS STUDY OF ZERO ENERGY BUILDING
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solar panels selected: 300W
size= 76.93 x 38.7 x 1.57in (1954 x 982 x 40mm)
Maximum Series Fuse Rating: 15A
Cell Type: Poly-crystalline 156 x 156mm, 3 or 4 Busbars
Cell Arrangement: 72 (6 x 12)
Area of each panel: 2m2
Number of panels required: 14
Area on rooftop for solar panels: 5.5m*5.5m
Carbon dioxide emissions mitigated is 123 tonnes
This installation will be equivalent to planting 197 teak trees over the life period (as per IISC data)
ACHIVEMENTS
34. DESIGN, PLANNING AND EFFECTIVENESS STUDY OF ZERO ENERGY BUILDING
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-200
-100
0
100
200
300
400
500
600
2015 2020 2025 2030 2035 2040 2045
Thousands
BREAKEVEN ANALYSIS
PROFIT BREAKEVEN POINT
BREAK EVEN ANALYSIS
YEAR PROFIT (₹)
2017 -96376
2022 -13042
2027 86669
2032 207000
2037 353000
2042 550000
PROFIT CALCULATION
• Breakeven year will be after 6 years
35. DESIGN, PLANNING AND EFFECTIVENESS STUDY OF ZERO ENERGY BUILDING
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Net metering is a billing mechanism that credits solar energy system owners for the electricity they add to the
grid
The electricity meter will run backwards to provide a credit against what electricity is consumed at night or
other periods where the home's electricity use exceeds the system's output. Customers are only billed for
their "net" energy use.
NET-METER
NET-METERING IN KERALA
36. DESIGN, PLANNING AND EFFECTIVENESS STUDY OF ZERO ENERGY BUILDING
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STRUCTURAL DESIGN
Beam and column designed using STAAD and slab, footing with hand computation
37. DESIGN, PLANNING AND EFFECTIVENESS STUDY OF ZERO ENERGY BUILDING
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SLAB At support At mid-span
Y-direction X-direction Y-direction X-direction
S1
#8@200mmc/c #8@150mmc/c
#8@200mmc/c #8@150mmc/c
S2 #8@200mmc/c #8@150mmc/c #8@200mmc/c #8@150mmc/c
S3 #8@200mmc/c #8@150mmc/c #8@200mmc/c #8@150mmc/c
ROOF SLAB
S4 #8@180mmc/c #8@120mmc/c #8@180mmc/c #8@120mmc/c
38. DESIGN, PLANNING AND EFFECTIVENESS STUDY OF ZERO ENERGY BUILDING
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Beam At support At mid span Shear reinf.
Top reinf. Bottom reinf. Top reinf.
Bottom
reinf.
B1 3, #12mm 3, #12mm 3, #12mm 3, #12mm 2L, #8mm @ 280mm c/c
B2 4, #12mm 4, #12mm 3, #12mm 3, #12mm 2L, #8mm @ 280mm c/c
ROOF BEAMS
B3 5, #12mm 3, #12mm 2, #16mm 4, #16mm 2L, #8mm @ 280mm c/c
COLUMNS LONGITUDINAL REINFORCEMENT TRANSVERSE REINFORCEMENT
C1 4, #16 mm bars #8 mm ties @ 200 mm c/c
C2 4, #16 mm bars #8 mm ties @ 200 mm c/c
C3 4, #16 mm bars #8 mm ties @ 200 mm c/c
39. DESIGN, PLANNING AND EFFECTIVENESS STUDY OF ZERO ENERGY BUILDING
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16, #12mm bars on both sides
FOOTING
41. DESIGN, PLANNING AND EFFECTIVENESS STUDY OF ZERO ENERGY BUILDING
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i.Orientation East-West.
ii.Provision of overhangs & fins to shade fenestration.
iii.a wind tunnel to pass wind (a demonstration of Venturi
Effect). This cross ventilates the non AC sections of the building
iv.provides cooling through draft, Stack effect by an open to sky
(or pergola) courtyard.
v.Planting trees to shade the building
vi.Placement of windows on the N-S facades
CASE STUDY
1. ENERGY MANAGEMENT CENTRE, TRIVANDRUM
42. DESIGN, PLANNING AND EFFECTIVENESS STUDY OF ZERO ENERGY BUILDING
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Alternative Lights Equipment Heating cooling fans total
Electrical End-use Total (kWh)
Base case 80,161 17,362 196 1,04,765 35,269 2,37,753
Proposed case 50,858 17,362 113 95,566 28,045 1,91,944
Incremental Electrical saving (kWh)
Proposed case 29,303 0 83 9,199 7,224 45,809
ENERGY DEMAND ANALYSIS
Significant energy saved
43. DESIGN, PLANNING AND EFFECTIVENESS STUDY OF ZERO ENERGY BUILDING
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Location: Malankara Tea Plantation, Kottayam, Kerala, India
System Power: 27kW Grid/Hybrid System
BENEFITS
Energy cost savings payback in fewer than five years
Complete disconnection from the unreliable grid, functioning solely on self-
generated solar power
Reduction of up to 47 tons of carbon emissions per year, saving an estimated 97%
in diesel fuel consumption.
Capability to sell excess electricity generated back to the grid, making the
complex an energy-plus building
2. MALANKARA TEA PLANTATION
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• Not used any demand reduction as design is not an ZEB concept
45. DESIGN, PLANNING AND EFFECTIVENESS STUDY OF ZERO ENERGY BUILDING
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EFFECTIVENESS STUDY
Relationship between zero energy and nearly zero CO2
Temporal disparities and Local disparities between
Produced and Consumed energy
Flexibility and lock-in effects
Climate, building geometry and usage conditions
Zero energy Construction
Zero energy village
Balance and Back-up
Cost optimal
46. DESIGN, PLANNING AND EFFECTIVENESS STUDY OF ZERO ENERGY BUILDING
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CONCLUSION
Only renewable source of energy is used and CO2 Emission free
Insulation along with geothermal cooling keep inside temperature 21 – 23 oC
Net zero energy achieved
Wall, windows and ventilation are the main component to be designed
Better thermal comfort to that of conventional building
White colour roof reduces 5 – 6 oC temperature in the room below the roof
Minimum thickness of slab 150 mm and insulating slab is as important as wall
Breakeven is on 6th year
Saving energy is producing energy
47. DESIGN, PLANNING AND EFFECTIVENESS STUDY OF ZERO ENERGY BUILDING
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FUTURE SCOPE OF PROJECT
Making an energy efficient buildings
Adaptation of Insulation for energy saving in design
People independent of conventional energy like fuel, coal etc.
Reduce the impact of energy crisis
Change in the design concept
Balance between demand and supply of energy
Meeting the sustainability aspect, which is the future of world
48. DESIGN, PLANNING AND EFFECTIVENESS STUDY OF ZERO ENERGY BUILDING
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1. Peterson K., Torcellini P., Roger G. (2015) “A common definition of zero energy building” U.S. Department of
Energy
2.Torcellini P., Pless S., and Deru M. (2006) “Zero energy building: A critical look on definitions” U.S. Department
of Energy
3.Macedon D., Ion V., Mircea N., Bogdan G. (2014) “Solar heating & cooling energy mixes to transform low
energy buildings in nearly zero energy buildings” International Conference on Solar Heating and Cooling for
Buildings and Industry, Energy Procedia vol.48 (924 – 937)
4.“Towards nearly zero energy building” Technical report- European commission (2013)
REFERENCES
49. DESIGN, PLANNING AND EFFECTIVENESS STUDY OF ZERO ENERGY BUILDING
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ENERGY ENERGY
SAVE ENERGY
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