SHRI YAKUL KARNI Recent l ygr aduat edwi t hMas t er sofS ci encei nBui l tEnvi r onmentatAr i z onaS t at eUni ver s i t y,T empe,Ihavedevel opeddeeppas s i on t owar dss us t ai nabi l i t yi nbui l tenvi r onment .Is t r ongl ybel i evet hatamal gamat i onofs us t ai nabl es t r at egi esf r om t heconcept ual i z at i on s t ageofbui l di ngdes i gnr es ul t si nener gyef f i ci entbui l tenvi r onment . Nat ur epl aysacent r al r ol ei nourever ydayl i vesandbr i ngscons ci ous nes st hr oughoutt hephys i ol ogi cal andps ychol ogi cal pr oces s es t hatar econnect edt oourheal t h.I nt egr at i onofnat ur ei nt hebui l tenvi r onmentt hr ought heus eofpas s i vedes i gns t r aegi escanl ead t oheal t hyandcomf or t abl el i vi ngcondi t i ons .
Pr of es s i onalExper i ence Gr eenBui l di ngI nt er n:Gr eenI deas ,Phoeni x
( J uneAugus t2016)
Eval uat edef f i ci ent& s us t ai nabl edes i gnopt i onst hr oughi nt egr at eddes i gnpr oces swhi ch r es ul t edi n1520% ener gy&1215% cos ts avi ngsascompar edt ot hei rr es pect i veAS HRAE90. 1 bas ecas esf or10pr oj ect sofcommer ci al , educat i onal &r es i dent i al bui l di ngt ypest hr oughwhol e bui l di ngs i mul at i on. S t udyi ncl udedf or m opt i mi z at i on,bui l di ngenvel ope& s ys t em i mpr ovements t r at egi es . Dayl i ght i nganal ys i s ;t her mal br i dgi nganal ys i s ;CF Danal ys i s ;I ECC code& L EEDcompl i ance.
Gr aduat eT eachi ngAs s i s t ant :Ar i z onaS t at eUni ver s i t y,T empe
( J anDec2016)
S ubj ect :I nt r oduct i ont oEnvi r onment al Des i gn Or gani z edandconduct edcl as s esf orover400s t udent s . Rei nf or cedt hel ect ur esconduct edbyt hef acul t yf orvi vi dunder s t andi ngoft hes t udent s . Pr epar ed,conduct edandgr adedas s i gnment sandex ami nat i ons .
As s i s t antAr chi t ect :A. R.Nene& As s oci at es ,Pune,I ndi a
( Dec2014J ul y2015)
I ncl udedwor ki ngonconcept ual des i gns ol ut i ons ,des i gndevel opment ,pr es ent at i ondr awi ngs andex ecut i ondr awi ngsf orhous i ngpr oj ect s ,commer ci al pr oj ect s ,i nt er i orpr oj ect s . Pr es ent eddes i gnandpl anni ngi deast ocl i ent s ,coor di nat i onwi t hcont r act or sandcons ul t ant s , moni t or eds i t esf oraccur at eex ecut i onofwor k.
J uni orAr chi t ect :Ar con,Pune,I ndi a
( Augus t20132014)
As s i s t eds eni orar chi t ectwi t hpr es ent at i ondr awi ngs ,ex ecut i ondr awi ngsands anct i ondr awi ngs f ort owns hi ppr oj ect s ,gover nmentpr oj ect s ,i nt er i orpr oj ect s .
I nt er n:Abhi kal panAr chi t ect sandPl anner s ,Pune,I ndi a
( J uneOct ober2012)
Wor kedondet ai l edcons t r uct i ondr awi ngsandt hr eedi mens i onal vi ewsandmodel s .
Vol unt eer :Gr eenBui l dConf er ence2015and2016
T ABL EOFCONT ENT S
01
Opt i mi z i ngBui l di ng Geomet r yt oMaxi mi z e Dayl i ght i ngPot ent i al
04
L ands capeBer m Anal ys i s
02
Eval uat i onofEner gy Cons er vat i onMet hods
05
Nat ur alVent i l at i on Anal ys i s
03
Met alPanel As s embl yAnal ys i s
06
AnnualEner gy Us eCompar i s on
01OPTIMIZING BUILDING GEOMETRYTO MAXIMIZEDAYLIGHTING POTENTIAL Pr oj ectI nf or mat i on: Dayl i ghtAnal ys i s L ocat i on:Phoeni x ,Ar i z ona Bui l di ngT ype:S i ngl eS t or yOf f i ceBui l di ng Ai m: T hemot i vebehi ndt hes t udyi st o hel pdes i gner schoos et hebes t bui l di ngdes i gnwhi chopt i mi z est he dayl i ght pot ent i al andmax i mi z es vi s ual comf or t .
Appr oach: L ayerbyl ayeraddi t i onofcompl ex i t i es t ounder s t andt hebehavi orofever y bui l di ngcomponent .
Si mul at i onSof t war e: Honeybee+L adybugf orGr as s hopper Dayl i ghtSi mul at i onModelSet up: Ar ea:15000s q. f t . F l oort oF l oorHei ght :4met er s S kyCondi t i ons :T MY3dat a Nor t h:S ett oYax i s Dayl i ght i ngGr i dS i z e:3met er sx3met er s Dayl i ght i ngGr i dHei ght :0. 9met er s I l l umi nanceT hr es hol d:300l ux Occupancyhr sonweekdays :9am5pm L i ghtT r ans mi t t anceofGl as s :42% Gl ar eSi mul at i onModelSet up: S i mul at i ondays :20t hMar ch,21s tJ une, 22ndS ept ember ,21s tDecember S i mul at i ont i me:9am and3pm
F i gur e1:Repr es ent at i onofAs pectRat i oof Bui l di ngGeomet r y-1: 1,1: 1. 5,1: 2&1: 2. 5
F i gur e2:Repr es ent at i onofWi ndow T ypesofBui l di ngGeomet r yCent r al l ypl aced,Ri bbi on&Ser i esWi ndow
10
30
20
40
F i gur e3:Repr es ent at i onofWi ndow t oWal lRat i oofBui l di ngGeomet r y-10,20,30&40%
1: 1 1: 1. 5 1: 2
1: 2. 5
F i gur e4:Ef f ectofI ncr eas i ngAs pectRat i oofBui l di ngGeomet r y 10%
20%
30%
40%
F i gur e5:Ef f ectofI ncr eas i ngWi ndow t oWal lRat i oofBui l di ngGeomet r y Mi ni mum Dayl i ght
Eveni ng Dayl i ght
Mor ni ng Dayl i ght
Max i mum Dayl i ght
F i gur e6:Ef f ectofDi r ect i onalVar i at i oni nDayl i ght i ng
01OPTIMIZING BUILDING GEOMETRYTO MAXIMIZEDAYLIGHTING POTENTIAL KeyT aki ngs : As pectr at i o2. 5andwi ndow t owal l r at i o40% pr ovi desmax i mum dayl i ghtandr educesnondayl i tcor e. Gl az i ngal ongt heent i r ef acade pr ovi desuni f or ml ydayl i tper i met er z one. Gl ar edi s comf or ti spr eval enti n Decemberduet ol owes tal t i t udeof t hes un. Nor t hf aรงadei st hemos tef f ect i ve f orachi evi ngdes i r eddayl i ght i ng. Eas tandwes tf aรงadecaus e gl ar edi s comf or twi t ht her i s i ngand s et t i ngs un. Di s t ur bi ngandi nt ol er abl egl ar ei s r ecei vedf r om t hes out hf aรงade, butcanbeeas i l ycont r ol l edby i ns t al l i nggl ar epr event i ons t r at egi es .
F i gur e7:Bas edonGl ar eAnal ys i sbes topt i oni s 20% WWR
F i gur e8:Gl ar eAnal ys i sf orSeas onalVar i at i on
F i gur e9:Gl ar eAnal ys i sf orEachCas e
40%
20%
F i gur e11:Bas edonDAAnal ys i sbes topt i oni s t hecombi nat i onof20% and40% WWR
F i gur e10:Gl ar eAnal ys i sf orF aรงadewi t hVar yi ngWi ndow t oWal lRat i o
40%
20%
02EVALUATIONOFENERGYCONSERVATIONMETHODS Pr oj ectI nf or mat i on: Ener gyAnal ys i s Bui l di ngT ype:Ex i s t i ng2s t or ys mal l of f i ce L ocat i on:Al buquer que,New Mex i co Ai m: T oadvi s et hear chi t ect ur al t eam/ cl i entonener gycons er vat i on meas ur est oi ncr eas epot ent i al ener gy& cos ts avi ngs . T oi dent i f yi s s uesas s oci at edwi t h oper at i ng& cont r ol meas ur es . T ocompar easdes i gnedcas e, pr os pos eddes i gncas et o mi ni mal l ycompl i antbui l di ngas pr es cr i bedbyAS HRAE90. 1.
Appr oach:
F i gur e1:Bui l di ngGeomet r ys peci f yi ngBui l di ngComponent s
Si mul at i onSof t war e: EDS LT AS
F i gur e2:F i r s tF l oorPl an
F i gur e3:SecondF l oorPl an
F i gur e4:ModelCal i br at i on
36
34
37
15
F i gur e6:Compar i s onofUt i l i t yT ypeofBas ecas e,ASHRAEcas e,OCMs ,ECMs
F i gur e4:ASHRAE90. 1Compl i ance
50
14
25
F i gur e5:Compar i s onofCos tSavi ngs
F i gur e7:Compar i s onofEndus eofBas ecas e,ASHRAEcas e,OCMs ,ECMs
03METALPANELASSEMBLYANALYSIS Pr oj ectI nf or mat i on: Envel opeAnal ys i s Bui l di ngT ype:Educat i onal Campus L ocat i on:Phoeni x ,Ar i z ona Ai m: Anal ys i si scar r i edoutt os t udy t heef f ectofdi f f er entwal l as s embl i esont heener gy per f or manceont hebui l di ng. T hedes i gnt eam hadpr opos ed ofcl addi ngapor t i onofex t er i or wal l andneeded r ecommendat i onsbas edon ener gyper f or manceofdi f f er ent wal l as s embl i es . Appr oach: Abas el i neas s embl yi scr eat ed bas edonAS HARE90. 12010. 4as s embl i esofi ns ul at ed met al panel andcompos i t e met al panel ar ecompar edwi t h t hebas el i ne. Si mul at i onSof t war e: EDS LT AS
F i gur e1:Sect i ons howi ngMet alPanel
Recommendat i ons : Cas e12A,BandDhave pot ent i al l ys i mi l ars avi ngs . Des i gnercans el ectoneof t hes eas s emnbl i escons i der i ng i t seconomi cal vi abi l i t yand des i gncons t r ai nt s .
T abl e1:As s embl yDet ai l sofSt udyCas es
F i gur e2:AnnualCool i ngL oadCompar i s on
F i gur e4:PeakCool i ngL oadCompar i s on
F i gur e3:AnnualEner gyDemand&Cons umpt i on
F i gur e5:PeakHeat i ngL oadCompar i s on
04LANDSCPAEBERM ANALYSIS Pr oj ectI nf or mat i on: Envel opeAnal ys i s Bui l di ngT ype:Educat i onal Campus L ocat i on:S cot t s dal e,Ar i z ona Ai m: T hi sanal ys i swascar r i edoutt os t udy t heef f ectofi nt egr at edl ands cape ber msonbui l di ngener gy per f or mance. I t er at i onswer eper f or medi nor der t or eal i z et hepoi ntofdi mi ni s hi ng r et ur nsf orener gyper f or mancewi t h var i edt hi cknes sandber m dept hs . Appr oach: Ear t hber msl ocat i on:nor t h& s out h el evat i ons Hei ght :3f eet . Ear t hber m dept h:4t o12i nches Si mul at i onSof t war e: EDS LT AS Recommendat i ons : Peakheat i ngl oadr educt i on=1213% f or4” 12”ber ms . T hi sr educt i onal l owst hedes i gnt o t akeadvant ageoft hecool er mi cr ocl i mat esdur i ngt heear l y mor ni ngandeveni ngst or egul at e i nt er nal t emper at ur es .
F i gur e1:Wal lSect i ons howi ngL ands capeBer ms
F i gur e2:Bui l di n
F i gur e3:AnnualEner gySavi ngsduet oL ands capeBer ms
i ngSect i ons howi ngNor t handSout hF acadeL ands capeBer ms
F i gur e5:Cool i ngL oadSavi ngsduet oL ands capeBer ms
F i gur e4:PeakHeat i ngSavi ngsduet oL ands capeBer ms
05NATURALVENTILATIONANALYSIS Pr oj ectI nf or mat i on: CF DAnal ys i s Bui l di ngT ype:Academi cBui l di ng L ocat i on:Gl endal e,Ar i z ona Ai m: T ounder s t andt hepot ent i al f or nat ur al vent i l at i ons t r at egi esand opt i mi z et heoper abl ewi ndow s chemewi t hi nt hedes i gn. Appr oach: Anal ys i swasper f or medonvar i ous s ect i onsoft hebui l di ng( F i gur e1&2) . 4di f f er entpeakweat hercondi t i ons s eas onal var i at i ons . 4per mut at i onsf or% ofwi ndows openwer es i mul at ed;100%,75% , 50% & 25% ofwi ndowsopen.
F i gur e1:1s tF l oorPl an( At r i um +Eas tF l oor )
Si mul at i onSof t war e: Ambi ensAppl i cat i onofEDS LT AS Recommendat i ons : Bas edonr es ul t soft he75% & 50% open,ani t er at i onwi t h66% open wi ndowswasper f or medf or opt i mi z at i on. F aรงade=3equal par t s . Cent ercomponent =f i x edwi ndows ; Endcomponent =oper abl ewi ndows ( F i g. 3) .Avoi dsai rs t r at i f i cat i on. I nt r oduci ngs t ackef f ect . ( F i g.4) Enhanci ngs t ackef f ectwi t h oper abl ewi ndowsonf i r s tf l oorl evel andcl er es t or yat r i um ( F i g.5. ) F i gur e2:Si mul at i onsf orExt r emeCondi t i ons
F i gur e4:F r ontEvel at i on
F i gur e5:At r i um L ongi t udi nalSect i on( St ackEf f ect )
F i gur e3:66% Oper abl eWi ndow f orPeakSeas on( 21s tJ une)
F i gur e4:At r i um T r ans ver s eSect i on
06ANNUALENERGYUSECOMPARISON Pr oj ectI nf or mat i on: Ener gyAnal ys i s Bui l di ngT ype:Educat i onal Bui l di ng L ocat i on:S cot t s dal e,Ar i z ona Ai m: T ounder s t andcont r i but i onofvar i ous ener gyus es . Des i gncas ewass i mul at edagai ns t AS HRAE90. 12007S t andar df or compl i ancewi t hL EED2009f orNew Cons t r uct i onRat i ngS ys t em. Appr oach: Weat hers t at i on:S cot t s dal e Bas el i neCas e:AS HRAE90. 12007S t d. Des i gnCas e:Model edasperdr awi ngs obt ai nedbyar chi t ectwi t hno modi f i cat i onsi nor i ent at i on.
F i gur e1:Bui l di ngF l oorPl an
Si mul at i onSof t war e: EDS LT AS Recommendat i ons : Des i gncas es hows18% ener gy r educt i onagai ns taver aged AS HRAE90. 12007model sand12% ener gycos ts avi ngs . T hi sequat est o4poi nt sunder Cr edi t1:Opt i mi z eEner gy Per f or mance.
T abl e1:I nputPar amet er sf orEner gyModel
F i gur e3:3DVi ew ofEducat i onalCampus
F i gur e4:AnnualL oadCompar i s onbyEner gyEndUs e
F i gur e4:Cont r i but i onofvar i ousEner gyUs es
F i gur e5:Ener gyCos tCompar i s on