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Does EP automatically calculate Number and spacing of Horizontal Ground heat exhchanger trenches?

Hello, I'm studying about horizontal ground exchanger.

I used 'GroundHeatExchanger:HorizontalTrench', can decision numbers of trenches, and space between of them.

I tried to use capillary tube for ground heat exchanger, but it's simulation time take so long time.(about 6 hours)

Then I found another method that 'PipingSystem:Underground' have more detailed inputs than 'GroundHeatExchanger:HorizontalTrench', it function as horizontal trenches.

Even after reading the engineering reference and input output reference, I don't know how to set it up

Could you tell me which parts?

eoinfwepi's avatar
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eoinfwepi
asked 2022-03-16 02:34:33 -0500
Aaron Boranian's avatar
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Aaron Boranian
updated 2022-03-16 08:45:05 -0500
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@eoinfwepi based on object names you're using EnergyPlus, but are you using an EnergyPlus interface (OpenStudio, DesignBuilder, etc.)?

Aaron Boranian's avatar Aaron Boranian (2022-03-16 08:44:41 -0500) edit

@Aaron Boranian I use original EnergyPlus(IDF editor)

eoinfwepi's avatar eoinfwepi (2022-03-16 09:17:02 -0500) edit
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1 Answer

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EnergyPlus cannot currently size a GSHP field, but it has been requested in this GitHub issue. If you would like to see this as well, give the issue a 👍. From reading the issue, it appears that there may be some ongoing work in this area but it's not clear what the current status is.

shorowit's avatar
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shorowit
answered 2022-03-16 20:03:29 -0500
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