autodesk slides sustworkshp nzeb 2 passiveheatingandcooling 0

7/25/2019 Autodesk Slides Sustworkshp Nzeb 2 Passiveheatingandcooling 0

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Net Zero Energy Buildings Passive Thermal

Comfort


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1/3 of Energy Use is Thermal Comfort


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Adjusting For Seasons


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Site Climate


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Conduction


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Insulation


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Thermal Bridging


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Using Conduction


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adiation


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Solar !eat "ain


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#indo$%to%#all atio


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S&ectrally%Selecti'e "la(ing


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Con'ection


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Infiltration


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educing Con'ection In #indo$s


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)atural *entilation


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+&ening Si(e


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+&ening ,lacement


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Stac- *entilation


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Com&utational Fluid .ynamics


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Ada&ting To Conditions


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Seasonal *ariation


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Controls for Thermal Comfort


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)et ero Energy #ithout ,assi'e !eating 0 Cooling


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)et ero Energy #ith ,assi'e !eating 0 Cooling


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[APPENDIX

!eat Transfer In BuildingsNet Zero Energy Buildings


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Condu"tion


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Condu"tion


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Condu"tion


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Condu"tion


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Condu"tion


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Condu"tion


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Condu"tion


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#$%alues


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#$%alues


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Adding #$%alues


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Adding #$%alues


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Thermal Bridging

Th l B id i I


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Thermal Bridging InBuildings


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&raming &a"tor

Material FramingFactor

ResultingAverage R-Value, withR-20Insulation

'ood studs( )*+( ,-./0C0

,)1 to)21

#$,2 to #$,+

3teel studs( )*+( ,-./0C0

441 to-51

#$6 to #$7


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Avoiding Thermal Bridging


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Thermal 8ass


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Thermal 8ass In Buildings


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Conve"tion


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Conve"tion


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Natural Conve"tion


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&or"ed Conve"tion


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Conve"tion In Buildings


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Conve"tion 'ithin /9:e"ts


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In;ltration


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Natural %entilation


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/


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3ta"> E?e"t


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#adiation


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Emissivity


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#adiation


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#adiation


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#adiation In Buildings


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#adiation


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#adiation


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'indo@ Area = Pla"ement

o@ E = 3


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o@$E = 3


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8ean #adiant Tem


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autodesk slides sustworkshp nzeb 2 passiveheatingandcooling 0

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