Kiva zone heat balance around inner surface boundary using conduction not balancing #9268
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Defect
Includes code to repair a defect in EnergyPlus
NotIDDChange
Code does not impact IDD (can be merged after IO freeze)
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Issue overview
When looking at the sum of the annual “Surface Inside Face Conduction Heat Transfer Rate” output variable for the surfaces within a zone, they do not balance with the sum of the heating and cooling energy in the zone. An example of this is shown below where the Standard model with non-Kiva ground surface balances across all the surfaces and heating/cooling energy whereas the model with Kiva ground surface is unbalanced by over 20%. This largely only effects the reporting of conduction using the “Surface Inside Face Conduction Heat Transfer Rate” output variable and should have minor effects on the actual zone heat balance.
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