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11/6/2012
EnergyPlus Ventilation ModelingEnergyPlus Ventilation Modeling Analysis IBACOS
Michael Sypolt and Duncan PrahlMichael Sypolt and Duncan Prahl
October 16, 2012
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Agenda
Process
Analysis of Results y
Acceptable Humidity Levels
Modeling Tool Needs/Gaps
Process
Beopt E+ 1.3
Model Creation
Model Runs
Data Reduction
Validation
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Process: BEopt E+ 1.3
Process: Model Creation
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Process: Model Runs
Process: Data Reduction
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Process: Data Reduction
Process: Validation
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Analysis of Results
Energy Impacts
Humidity Impacty p
Analysis of Results: Energy
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Analysis of Results: Energy
Analysis of Results: Humidity
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Analysis of Results: Humidity
Analysis of Results: Humidity
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Analysis of Results: Humidity
Analysis of Results: Humidity
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Analysis of Results: Humidity
Acceptable Humidity Levels
Is 60% the Accepted Threshold for Humidity?
Well…it Depends….p
Building Durability would determine acceptable levels
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Humidity Levels: Heating
Humidity Levels: Cooling
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Humidity Levels: Floating
Humidity Levels: All Bins
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( p p p
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Modeling Tool Needs/Gaps
• Construction Moisture can elevate interior RH levels (up to 9 pints per day)
• Slab on grade homes are most risky due to the enormous amount of water that is stored in concrete
• Slabs can only dry toward the interior of the house when enclosed
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