it gives info about Air Sampling

1. Seminar onSeminar on
AIR SAMPLINGAIR SAMPLING
(An Autonomous Institute of Maharashtra State )
PRESENTED BYPRESENTED BY
VAISHNAVI V. BOJEVAISHNAVI V. BOJE
(BE18S06F003)(BE18S06F003)
GUIDED BYGUIDED BY
DR.SONVANEDR.SONVANE

2. What is Green Building ?
Planning ,Designing and Constructing the Sustainable
Structures using renewable Energy , renovated, operated
or reused in a ecological and resource efficient manner.
1. INTRODUCTION :-1. INTRODUCTION :-
Building envelope design that combines passive solar, day lighting and organicBuilding envelope design that combines passive solar, day lighting and organic
horticulturehorticulture

3. Importance of Building Energy
Efficiency:-
• Buildings are significant users of energy and building
energy efficiency is a high priority in many countries.
• Efficient use of energy is important since global energy
resources is finite and power generation using fossil fuels
(such as coal and oil) has adverse environmental effects.
• The potential for energy savings in the building sector is
large.
Assumption :-
Energy efficient building design is location-dependent.
The local climate must be considered when selecting
appropriate design strategies.

4. 2. BASIC PRINCIPLES :-
2.1 Climate and Site
•Climate has a major effect on building performance and energy
consumption. Energy-conscious design requires an understanding
of the climate.
•When faced with unfavorable climatic conditions, optimal siting
and site design may solve all or part of the problems.
•Site elements to be considered include:
oTopography - slopes, valleys, hills and their surface conditions.
oVegetation - plant types, mass, texture.
oBuilt forms - surrounding buildings and structures.
Water - cooling effects, ground water, acquifiers.

5. Wind control in site analysis

6. 2.2 Building Envelope :-
• Elements of the building envelope (= "protective skin"):
o Walls (exterior)
o Windows
o Roof
o Underground slab and foundation
• Four factors determining the heat flow across the building
envelope:
o Temperature differential
o Area of the building exposed
o Heat transmission value of the exposed area
o Cavity wall

7. 2.3 Building Systems
•Heating, ventilation and air-conditioning (HVAC)
systems are installed to provide for occupant
comfort, health and safety. They are usually the key
energy users and their design is affected by
architecture features and occupant needs.
•While being energy efficient, HVAC systems should
have a degree of flexibility to allow for future
extensions and change.
•Lighting systems is another key energy user and
additional cooling energy will be required to remove
the heat generated by luminaries.

8. Model View of the Pharmacy Building

9. View of the Building from south westView of the Building from south west

10. Passive Design strategiesPassive Design strategies
Stack Ventilation ,Double Skin to wall & Sun Control DeviceStack Ventilation ,Double Skin to wall & Sun Control Device
StackStack
VentilatorVentilator
with windwith wind
turbineturbine
& Double& Double
Skin toSkin to
Inner WallInner Wall
Sun ControlSun Control
Devices in terms ofDevices in terms of
Chajja designed asChajja designed as
per the summer sunper the summer sun
positionposition

11. Cross VentilationCross Ventilation
Passive Design strategiesPassive Design strategies
leewardleeward
SideSide
Due to proper cross ventilationDue to proper cross ventilation
the indoor air Quality in thethe indoor air Quality in the
room increasesroom increases
Hot Air Exit to Stack ventilationHot Air Exit to Stack ventilation

12. Passive Design strategiesPassive Design strategies
Pre-cooling of AirPre-cooling of Air
Earth mounds over which the shadingEarth mounds over which the shading
trees will be Planted so that the hottrees will be Planted so that the hot
prevailing breezed will get cool whileprevailing breezed will get cool while
entering the Buildingentering the Building

13. 3. Technologies :-
3.1 Passive Cooling and Sun Control
•General strategies for passive heating and cooling:
oCorrect orientation and use of windows.
oAppropriate amounts of thermal mass and insulation.
oProvision for ventilation (natural).

14.
Contd…..
Strategies for shading and sun control:
oExternal projection (overhangs and side fins).
oExternal systems integral with the window frame or
attached to the building face, such as louvers and
screens.
oSpecially treated window glass, such as heat
absorbing and reflecting glass.

15. 3.2 Day lighting ;-
•Daylight can be used to augment or replace electric lighting.
•Advanced window technologies have been developed to
change/switch the optical properties of window glass so as to
control the amount of daylight.
•There are also innovative day lighting technologies now being
investigated:
oLight pipe systems
oLight shelves
oMirror systems
oPrismatic glazing
oHolographic diffracting systems

16. Day lighting design

17. 3.3 HVAC Systems:-
•Energy efficiency of many HVAC sub-systems and
equipment has been improved gradually over the years, such
as in air systems, water systems, central cooling and heating
plants.
•Energy efficient HVAC design now being used or studied
include:
oVariable air volume (VAV) systems to reduce fan energy use.
oOutside air control by temperature/enthalpy level.
oHeat pump and heat recovery systems
oBuilding energy management and control systems.
oNatural ventilation and natural cooling strategies.

18. 5. Conclusions :-
Building energy design challenges building designers to
think about climate, orientation, day lighting, and the
qualities of environment as part of the initial design
conception.
Architects and engineers who incorporate energy design
concepts and methods into their design projects can play a
significant role in reducing energy consumption and
achieving sustainable energy structure for our society.
Such energy efficient buildings can save electrical energy
and utilize natural source of energy.
It is an environment friendly structure.
It indirectly helps to decrease Air pollution.

19. REFERENCE :-
Books:-
1) Watson, D. (Ed.), The Energy Design Handbook, The American Institute of Architects Press,
Washington, DC, 1993.
2) Goulding, J. R., Lewis, J. O. and Steemers, T. C. (Edited by), Energy in Architecture: The
European Passive Solar Handbook, B. T. Batsford, London, 1992.
Manuals :-
1) State Projects, Building Energy Manual, NSW Public Works, Australia, 1993.
2) Geer , J., J.Fillo.1988 Control of thermal runaway-some mathematical insights.International
Journal of Heat & mass Transfer 41:2979-90
Website :-
1) www.Environmentalhouse. Org
2) www. Energyefficientbuilding.Com
Consultant Engineer's and Architect :-
1) Mr. Nitin Gabhane
Site Visited :-
1) Pharmacy Building at V.M.V. Road, Amravati.
2) I.T. Building at Government Engineering College, Amravati

20. THANKS