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Zone Infiltration Mass Flow Rate of the building

asked 2021-10-08 09:50:15 -0500

Melina gravatar image

updated 2021-10-08 16:53:30 -0500

Hello. I want to plot the hourly Zone Infiltration Mass Flow Rate of the building in energy plus but as I have 27 zones and in the output: variable I cannot define the whole building in the key value, it gives me the result for each zone separately. How can I see the hourly Zone Infiltration Mass Flow Rate for all zones?

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answered 2021-10-08 10:18:04 -0500

updated 2021-10-08 10:18:30 -0500

You can use a Meter:Custom object to accomplish this. In particular, the EnergyPlus documentation has an example of calculating building-level Infiltration Heat Loss & Heat Gain by summing zone-level output variables:

Meter:Custom,
  Building Infiltration Heat Loss,          !- Name
  Generic,                                  !- Resource Type
  *,                                        !- Key Name 1
  Zone Infiltration Total Heat Loss Energy; !- Output Variable Name 1

Meter:Custom,
  Building Infiltration Heat Gain,          !- Name
  Generic,                                  !- Resource Type
  *,                                        !- Key Name 1
  Zone Infiltration Total Heat Gain Energy; !- Output Variable Name 1

You can then request hourly output for the custom meter.

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Thank you very much for your time and help.

Melina gravatar image Melina  ( 2021-10-12 15:02:02 -0500 )edit

The field was renamed in more recent EnergyPlus versions but the inputs are the same. You should still use "Generic".

shorowit gravatar image shorowit  ( 2021-10-12 15:09:23 -0500 )edit

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Asked: 2021-10-08 09:50:15 -0500

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Last updated: Oct 08