there is no such thing as a free thermodynamic lunch · 2020. 1. 3. · building science there is...
TRANSCRIPT
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Building Science
There is No Such Thing as a Free Thermodynamic Lunch
Joseph Lstiburek, Ph.D., P.Eng, ASHRAE Fellow
www.buildingscience.com
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Building Science CorporationJoseph Lstiburek 2
A Building is an Environmental Separator
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Building Science CorporationJoseph Lstiburek 3
Arrhenius Equation
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?#$3%DE%F#.$##%G%H&'#H#/,7&)-%H/7#%F)+8=#'
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Building Science CorporationJoseph Lstiburek 5
Damage FunctionsWaterHeatUltra-violet Radiation
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Building Science CorporationJoseph Lstiburek 6
2nd Law of Thermodynamics
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Building Science CorporationJoseph Lstiburek 7
Heat Flow Is From Warm To ColdMoisture Flow Is From Warm To ColdMoisture Flow Is From More To LessAir Flow Is From A Higher Pressure to a
Lower Pressure
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Building Science CorporationJoseph Lstiburek 8
Thermodynamic Potential
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Building Science CorporationJoseph Lstiburek 10
Change In Materials
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Joseph Lstiburek 14
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Building Science CorporationJoseph Lstiburek – Rain Control 16
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Building Science CorporationJoseph Lstiburek – Rain Control 17
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Building Science CorporationJoseph Lstiburek – Rain Control 18
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Building Science CorporationJoseph Lstiburek – Rain Control 19
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Building Science CorporationJoseph Lstiburek 20
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Building Science Corporation2010 Joseph Lstiburek 21
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Building Science CorporationJoseph Lstiburek 22
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Building Science CorporationJoseph Lstiburek 24
Rain Screen
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Building Science CorporationJoseph Lstiburek 25
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Building Science CorporationJoseph Lstiburek 26
Beer Screen?
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Building Science CorporationJoseph Lstiburek 32
Exterior Insulation Finish SystemsEIFS….aka “Synthetic Stucco”
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Building Science 2007Joseph Lstiburek – Rain Control 33
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Building Science CorporationJoseph Lstiburek 34
Exterior Insulation Finish SystemsEIFSBarrier SystemFace-Sealed Not Water Managed
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Joseph Lstiburek – Rain Control 38
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Building Science CorporationJoseph Lstiburek 39
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Building Science CorporationJoseph Lstiburek 41
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Building Science CorporationJoseph Lstiburek 42
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Building Science CorporationJoseph Lstiburek 43
Stucco
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Building Science Corporation5)'#6"%4'7&8+$#9%%%CU
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Building Science CorporationJoseph Lstiburek 50
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Building Science CorporationJoseph Lstiburek 51
MaterialsInward DriveEnergy
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Building Science CorporationJoseph Lstiburek 52
Traditional Lime Stucco Greater than 20 permsLime/Portland Cement Stucco 5 to 10 permsPortland Cement Stucco 1 to 5 permsPolymer Modification Less than 1
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Building Science CorporationJoseph Lstiburek 53
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Building Science CorporationJoseph Lstiburek 54
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Building Science CorporationJoseph Lstiburek 55
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Building Science CorporationJoseph Lstiburek 56
Ancient Modification AdditivesCow DungEgg WhitesPig Blood
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Building Science CorporationJoseph Lstiburek 57
Non Traditional Building Wraps
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Building Science 2007Joseph Lstiburek – Rain Control 58
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Building Science Corporation2010 Joseph Lstiburek 59
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Building Science Corporation2010 Joseph Lstiburek 60
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Building Science Corporation2010 Joseph Lstiburek 61
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Building Science 2007Joseph Lstiburek – Rain Control 62
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Building Science 2007Joseph Lstiburek – Rain Control 63
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Back To Lumpy Stucco….
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Building Science CorporationJoseph Lstiburek 81
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Easy Solution….
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Three Types of Controlled Ventilation Systems
Exhaust VentilationSupply VentilationBalanced Ventilation
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Building Science CorporationJoseph Lstiburek 109
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Building Science CorporationJoseph Lstiburek 110
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Building Science CorporationJoseph Lstiburek 111
Kitchen Exhaust Hoods
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Building Science CorporationJoseph Lstiburek 112
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Building Science CorporationJoseph Lstiburek 113
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Building Science CorporationJoseph Lstiburek 114
Clothes Dryers
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Building Science CorporationJoseph Lstiburek 115
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Building Science CorporationJoseph Lstiburek 116
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Building Science CorporationJoseph Lstiburek 117
Fireplaces
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Building Science CorporationJoseph Lstiburek – Airflow 121
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Building Science CorporationJoseph Lstiburek – Airflow 122
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Building Science CorporationJoseph Lstiburek – Airflow 123
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Building Science CorporationJoseph Lstiburek – Airflow 124
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Building Science CorporationJoseph Lstiburek – Airflow 125
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Building Science CorporationJoseph Lstiburek 126
Sweating Ducts
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Sweating DuctsLight Colored RoofsCool RoofsRadiant BarriersACCA Manual J, S and DASHRAE 62.2
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Building Science CorporationJoseph Lstiburek 128
Ductwork Attic Dehumidification System
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Building Science CorporationJoseph Lstiburek 129
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Building Science CorporationJoseph Lstiburek 130
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