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The Energy Research
Institute
Jatin Hukkeri
Sirisha
Madhumitha Srinivasan
Sarvesh Srinivasan
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INTRODUCTION
Established in 1974 Project is designed to house an
office block ith a!!ro"# 7$orkstations % a small guest
house attached to it &onducts energ' services for
major cor!orate(s &oncerned ith effective
utili)ation of energ'*
sustainable uses of naturalresources* large scale ado!tionof
reneable energ'technolog'#
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BANGALORE
Garden city Location+ 1,- $.( / 177- 0$( E Altitude+ 919 m Green
cover + 4 2 Rainfall+ 97 cm Climate+ moderate tem!erature
Temperature+
mean ma" mean min
summer0$-c ,-c
inter
,.-c 14-c
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LOCATION
3ocated at domlur bus sto!
0 kms from 5angalore air!ort rd6 *
amidst a residential area* !ark and tem!le
3ong narro site ith roads on the eastern andnorthern sides
estern side has an o!en ground
Southern side has an o!en drain 9m ide6
Site located adjacent to a foul smelling drain onsouth hich
dictates design develo!ment as ind
comes from south#
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BUILDING DETAILS
8he building has beendivided into individual andcommon areas
7$ intimate small s!acesare !rovided for individualork
&ommon areas refer to theatriums* courts* nodes andcorridors
meant for iderinteraction
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Floor Plans
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LIGT
Main source of light S
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3ight
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Photo voltaic cells are used to ca!ture the suns energ'
thusgenerating electrical energ' for the various stations#
8hese !hotovoltaic cells have been arranged in line ith
the!rimar' orbit of the sun about ,,,,#$ degrees from theest
cc6
8he !anel are integrated ith d'namic truss to o!timi)e
thegeneration of energ'
8he suns energ' is further used in the form of solar heatershich
is used to generate all the hot ater in the guesthouse
8he thermal comfort levels are mainted b' the use of fillerslabs
hich !rovides insulation beteen the inside and theoutside of the
building#
=iller slabs are designed ith alternate !anel of concreteand
hollo blocks*
8he holo blocks hel! in reducing the transimission of heatfrom
outside to inside of the building#
Sun
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RADIATION
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AIR
Primar' ind direction along S
: long S fa;ade is a foul smelling drain
all toards south is blank alloing the bree)e to flo over
thebuilding hich in turn creates negative !ressure and !ulls
infresh air from the north#
South all is a double all so as to heat u! the void beteenthe to
alls creating negative !ressure thereb' enhancingconvection
currents
?entilation is enhanced b' the use of solar chimne's and
vents
:llos bree)e to flo over building
&reates negative !ressure
Starts !ulling fresh air flo at bod' level to !rovide
thermalcomfort
Hot air rises toards the to! on southern fa;ade
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!entilation " analysis
8he !rimar' inds blo from the south to north over thenallah*
hence the building needs to react to this if*the foul
unh'gienic air has to be !revented from entering the
building #
8hus the develo!ment of the south all as a !rime design
factor in achieving this !ur!ose#Here the south all has as
treated as an inde!endent
s'stem linking the rear alls of the building over a cavit'
8his cavit' creates a negative !ressure setting u! the
convectional currents# 8he entire s'stems orks ver'
effectivel' in generating the desired reverse
indcirculation#
8he blank all carries a s'stem of cuda!!a#8he colour
black as deliberatel' chosen because of its heat
absor!tive !oer hich is the highest among all colours#
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@8he orking of the s'stem is ver'
sim!le
@8he sun(s ra's heat the black south all
increasing the tem!erature of theimmediate environment
around#
@8his causes the air in the cavit' to rise
u!ards naturall'# 8hese convectional
currents are blon aa' b' the inds
bloing south to north#
@8his creates a vacuum at the at the to!
core structure# 8o fill this vacuum* air
from inside is dran u!#
@8his s'stem of hot air rising and draing
in of cool fresh air is a continuous
!rocess#
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Hence reverse wind circulation is
established by bringing in the fresh air
from the north open face of the building,
and drawing it through the entiresection of the structure and
removing it
by convectional means up through solar
wind vents.
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8he central court hich connects theoffice com!le" and the guest
house
section !la's an im!ortant role as a
s!ace generator #
8he s!aces around it follo the age old
conce!t of the verandah that are outsidebut are shaded* hence
giving a feel of
Aithinness( to it #
8he central court houses an am!hitheatre
that(s acts as an informal gathering B but
more im!ortantl' it holds ithin it the
rainater harvesting sum! for the holecom!le"#
the rainater is collected through
dontake !i!es at the various levels of
terraces# 8hus rain ater harvesting !la's
an effective role in ater management
ater
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Earth
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arth berm
As thermal capacity of earth is high, daily and
annual temperature fluctuations !eep
decreasing with increasing depth of earth
At depth of "m below ground, temperature
remains constant and e#ual to annual averagetemperature
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CONCLUSION
Sets a ne standard of energ' efficient*
environmentall' conscious office s!ace
5uilding conve's skillful inter!la' of natural
elements ith the building form to reduceenerg' demand
