SHADING DEVICE AS STRATEGIES TO ACHIEVE THERMAL COMFORT IN BUILDING FOR TROPIC CLIMATE

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I nt er i orS i mul a on Ona v er a g e, t het emper a t ur esa r ea l wa y shi g h. Al otofr a i n( r a i nys ea s on)f a l l si nt hemont hs :J a nua r y ,F ebr ua r y , Ma r c h,Apr i l ,Ma y ,J une,J ul y ,Aug us t ,S ept ember ,Oc t ober ,Nov ember a ndDec ember . Ona v er a g e, t hewa r mes tmont hi sApr i l .

MODE L L I NG&ME T HOD S i mul a onsr es ea r c ha r ec onduc t edi st os t udybui l di ng g eomet r ya nds ha di ngdev i c edes i g ni ne ffec twi t ht he t emper a t ur eofs pa c ei ns i deoft hebui l di ng .I ta l s oma y pr es entt heda t aonl i g h nga nda v er a g et emper a t ur e wi t houtc ool i ngs y s t em. Os s en( 2005)a na l y s edt hea mountofs ol a rr a di a onon v erc a ls ur f a c esonWes ta ndE a s ti shi g hert ha nNor t h a ndS out hf a c a de.T her e f or e,t hea i m oft hes i mul a oni s t opr ov i det hebes ts ug g esonf ort y peofs ha di ngdev i c e f orc er t a i nor i ent edf a c a def ors pec i ficda y met ha ti s f r om 9a . m. t o5p. m.

Ona v er a g e, t hec ool es tmont hi sS ept ember . Apr i li st hewe es tmont h.Thi smont hs houl dbea v oi dedi fy oudon' t l i k et oomuc hr a i n. J unei st hedr i es tmont h.

Theg r a phs howsa nua lt emper a t ur eofPut r a j a y a .Ther edl i nea bov e s howst hema x i mum t emper a t ur er ec or dedf orev er y mont ha ndt he bl uel i nes howst hemi ni mumt emper a t ur er ec or dedf orev er ymont hf or oney ea ri n2016.t hema x i mum t emper a t ur er ec or dedwa s33°c el c i ous i nmi dofma r c hwhi l et hel owes tt emper a t ur er ec or dedwa s21. 9°a t2nd weekofj ul y .

Vel uxs i mul a ons o wa r ea r eus edt os t udyt her el a ons hi pbet weena mountofr a di a on,a ndt het emper a t ur e oft hes pa c es t udy . T ofindt hes una ng l eoft hes i t ei nf ourdes i g nda y s , S k et c hUpPr o2015a ndE c ot ec t2011a r eus edt odet er mi net hea ng l eofv erc a la ndhor i z ont a ldi r econ.Geo L oc a onc oor di na t ed2. 915127N a nd101. 681878Ea r e us ea si twa st hes pec i ficl oc a onf orpr opos eds i t e4C2, Put r a j a y a , Ma l a y s i a .

Theg r a phs howsa nua l s uns hi neofPut r a j a y a . t heg r a pht el l t hel ong g es t da ywi t hda y l i g htwa si nMa r c h, Ma ya ndJ ul y , whi l et heNov emberi st he mont hwi nt ht hes hor t es t meofda y l i g ht .

E c ot ec twea t herda t af r omE c ot ec tWea t herT ool f orKua l a L umpurMa l a y s i aa r eus edwhi l eS i ng a por el oc a ona r e us ef ors i mul a onr unus i ngVel ux a si ti st henea r es t wea t herda t aa v a i l a bl ef ort hes i t e.T heba s emodel i sdev el opedi nGoog l eS k et c hUpbe f or et r a ns f er r i ngt oAut odes kE c ot ec tAna l y s i s .

T hes i mul a ona r edonea toneoft heoffic es pa c ea st he s t udyi st of oc usa boutt hee x per i nc eofc onf er t a bi l i t yof t hes t a ff.F r om t hes t udyi ti sf oundt ha tt heop mum fix s ha di ngdev i c es houl dbei nr a o10mm wi dt hwi t h1mm g a pbet weent hem t oc utt hev erc a l s una ng l ea nd37. 5 r ot a t edf r om nor t ht oc utt hehor i z ont a ls unr a y s .Asf or s k yi nMa l a y s i awi l l a v er a g el yha v el umi na nc el ev el of100 000l ux ,t hei nt eg r a onofs ha di ngdev i c es houl da l l ow a r ound60% di ffus i onofl i g hta ss a i dbyBa l oc c oa nd Ca l z ol a r i( 2008)t ha tt hea v er a g ev a l uef orpa per ba s ed a cv iest ha ti nv ol v ev i s ua lt a s k s ,s uc ha sr ea di nga nd wr ing , i swi t hi nt her a ng eof300–750l ux . F r om t heda t aobt a i n,as i mul a onwa sc a r r i edus i ng Vel uxs o wa r et oj usf yt her es ul t . CONCL US I ON I nc onc l us i on, i ti spr ov ent ha tt hes y s t emma yr educ et he r a di a onofhea tont obui l di ngs ur f a c e. Henc e, i tr es pondedt ot hes t udywhi c hi se ffecv es ha di ngdev i c ema yc ont r i but et ol owerhea ta bs or p onoft hewa l l .Wi t ht hi s s t a t ementbei ngmen oned, i ts howst ha ts ha di ngdev i c e s y s t em a ndpa s i v edes i g ndoc or r es pondt hei deaofhow s ha dedbui l di ngc a ni mpr ov et heener g ye ffic i enc ybyenha nc i ngt hec ool i nge ffec ti nt hebui l di ngt hr oug hi t st her ma lper f or ma nc e.T her e f or e,t hei nt eg r a onoffs ha di ng dev i c ea r ev er yenc our a g ea si tl ower st hebui l di ngt emper a t ur ea ndl ea dt obe erhuma nc omf or twhi c hr es ul t t os us t a i na bl ea ndec of r i endl ydes i g n.

S HADI NGDE VI CEASS T RAT E GI E ST OACHI E VET HE RMALCOMF ORT I NBUI L DI NGF ORT ROPI CCL I MAT E Ar c hi t ec t ur eDes i g nConc epta ndT ec hnol og y

Thehi g hes tr ea di ngf orr a i npr ec i pi t a onr ec or dedwa si na pr i l ,295mm whi l et hel owes twa si nj unewi t hr ea di ngof135mm.Thi ss howst ha t hea v yr a i na nda ndmos t l yr a pi dl yr a i ni ngi na pr i l .

Thehi g hes tr ea di ngf orr a i npr ec i pi t a onr ec or dedwa si na pr i l ,295mm whi l et hel owes twa si nj unewi t hr ea di ngof135mm.Thi ss howst ha t hea v yr a i na nda ndmos t l yr a pi dl yr a i ni ngi na pr i l .

AsPut r a j a y al oc a t edi nt r opi cc l i ma t et ha ti sha ota ndr a i nov ert hey ea r , a v er a g ehumi di t yf orput r a j a y ai sa r ound80%f orev er ymont hi n20116.

AsMa l a y s i ai sl oc a t ednea rt oequa t or ,t her ei sa l mos tnowi ndeffec ti n Ma l a y s i a .Att hes i t e,mos toft he met hewi ndc omesf r om t henea r by l a k ebec a us eoft hec i r c ul a onpr oc es sofdens ea ndl es sdens ea i r .

Thes ha pea ndor i ent a onoft hebui l di ng a r e dev el oped a er f ew s i mul a ons a r e done by us i ng E c ot ec ts i mul a on s owa r e. Asi ti ss ug g es t edt ha tt hebes tor i ent a on f or t he bui l di ng s houl d be 17°f r om nor t ha nd t he wor s ti sf a c i ng 127. 5°f r om nor t h.

L a y outa ndi nt er i oroft he offic es pa c es t udy .

MohdAmi rAy r a a fbi nZ ul k i fli

MBE171038lMBS E 2093_Adv a nc eAr c hi t ec t ur eT ec hnol og ylPr of . Dr . MohdHa mda nAhma d


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