Analyse af solafskærmninger mht. termiske og ... - Viden om vinduer
Analyse af solafskærmninger mht. termiske og ... - Viden om vinduer
Analyse af solafskærmninger mht. termiske og ... - Viden om vinduer
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E.4.4 Oversigt over spørgsmål ................................................................................. 54<br />
E.5 INTRODUKTION TIL SPØRGESKEMA .......................................................................... 56<br />
E.5.1 Dansk udgave ................................................................................................. 56<br />
E.5.2 Engelsk udgave ............................................................................................... 57<br />
E.6 SPØRGESKEMA PÅ DANSK ........................................................................................ 58<br />
E.7 SPØRGESKEMA PÅ ENGELSK .................................................................................... 76<br />
E.8 STATISTISK ANALYSE AF SPØRGESKEMAERNE ......................................................... 94<br />
E.8.1 Generel lineær model...................................................................................... 94<br />
E.8.2 Ikke-parametrisk test ...................................................................................... 97<br />
E.8.3 Pr<strong>og</strong>ramkoder til SAS ..................................................................................... 97<br />
F MÅLINGER ................................................................................................................ 101<br />
F.1 REFLEKTANS ......................................................................................................... 101<br />
F.1.1 Reflektans <strong>af</strong> overflader i lokalerne.............................................................. 101<br />
F.1.2 Reflektans <strong>af</strong> jord <strong>og</strong> sne .............................................................................. 101<br />
F.2 DAGSLYSFAKTOR .................................................................................................. 101<br />
F.3 BELYSNINGSNIVEAU GRUNDET KUNSTIG BELYSNING ............................................ 102<br />
F.4 MÅLEUDSTYR ........................................................................................................ 103<br />
F.4.1 SD2 sensorer fra Hagner............................................................................... 103<br />
F.4.2 EC1 luxmeter ................................................................................................ 104<br />
F.5 KALIBRERING AF SENSORER .................................................................................. 104<br />
F.6 TEST AF MÅLEFORHOLD......................................................................................... 105<br />
F.6.1 Test <strong>af</strong> stabile måleforhold ........................................................................... 105<br />
F.6.2 Betydningen <strong>af</strong> de ydre <strong>om</strong>givelsers variation ............................................. 107<br />
F.6.3 Betydning <strong>af</strong> de valgte målehøjder ............................................................... 107<br />
F.6.4 Test <strong>af</strong> fri horisont ........................................................................................ 108<br />
RESULTATER ................................................................................................................... 110<br />
G KARAKTERISERING AF SOLAFSKÆRMNINGERNE .................................... 110<br />
G.1 SOLAFSKÆRMNINGERNES OPTISKE EGENSKABER .................................................. 110<br />
G.1.1 Screenen........................................................................................................ 110<br />
G.1.2 Persiennelamellen ......................................................................................... 114<br />
G.1.3 Filmen ........................................................................................................... 115<br />
G.1.4 Glaslamellen ................................................................................................. 118<br />
G.1.5 Fejlkilder <strong>og</strong> usikkerheder ............................................................................ 121<br />
G.2 DEN TOTALE SOLENERGITRANSMITTANS OG AFSKÆRMNINGSFAKTORER ............... 122<br />
G.2.1 Screenen........................................................................................................ 122<br />
G.2.2 Persiennen ..................................................................................................... 123<br />
G.2.3 Filmen ........................................................................................................... 126<br />
G.2.4 Glaslamellerne .............................................................................................. 127<br />
G.2.5 Usikkerheder ved beregning <strong>af</strong> g-værdi <strong>og</strong> <strong>af</strong>skærmningsfaktorer for varme<br />
<strong>og</strong> lys 130<br />
G.2.6 Tabel med resultater fra WIS........................................................................ 130<br />
G.3 DAGSLYSFAKTOR .................................................................................................. 131<br />
G.3.1 Glaslamellerne .............................................................................................. 131<br />
G.3.2 Dagslysfaktor i målepunkt 1-4 <strong>og</strong> 7-8 .......................................................... 131<br />
G.4 LUMINANSMÅLINGER ............................................................................................ 133<br />
H BESKRIVELSE AF MÅLERESULTATERNE I FORBINDELSE MED<br />
FORSØGET ........................................................................................................................ 134<br />
H.1 OVERSKYET (VEJRTYPE IV, INDSTILLING: HELT ÅBEN) ......................................... 134<br />
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