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how to do building energy simulation for street canyon using Energyplus, compared to stand-along buildings

asked 2019-05-07 00:29:59 -0500

zhuazheng3's avatar

updated 2019-05-08 20:16:57 -0500

recently, I am doing building energy simulation for street canyon using energyplus. I am wondering how to model the shared walls between adjacent buildings in street canyon (e.g. the thermal surface types).And is there any other cautions for street canyon building modeling than stand-along building? Comments and suggestions are welcomed.

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answered 2019-05-08 14:54:57 -0500

I've not actually modeled multiple buildings, but on a recent project I modeled a single high-rise building that was part of a street canyon (maybe this is what you mean). I used the adiabatic boundary condition at adjacencies with neighboring buildings. This is a reasonable approximation if:

  1. The building are actually shoulder-to-shoulder (no wind or solar radiation can get between them)
  2. The indoor air temperature in the two buildings are the same and/or the effective R-value between the two buildings is high.
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Asked: 2019-05-07 00:29:59 -0500

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Last updated: May 08 '19