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[EnergyPlus_Support] Re: Ground temperature of Singapore
- To: EnergyPlus_Support@xxxxxxxxxxxxxxx
- Subject: [EnergyPlus_Support] Re: Ground temperature of Singapore
- From: "academicryan" <azianzheep@xxxxxxxxx>
- Date: Sat, 19 Jan 2013 01:49:14 -0000
- Delivered-to: mailing list EnergyPlus_Support@xxxxxxxxxxxxxxx
- Delivery-date: Fri, 18 Jan 2013 18:49:17 -0700
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Update: *EnergyPlus developer please respond*
OK I now know how to calculate soil temperature as a function of depth from Hillel, 1982.
Essentially his equation says that at 0 m depth, monthly average soil temperature is the monthly average air temperature plus 1°C. This is basically a sine wave. With increasing depth, the soil temperature gets closer to the annual mean air temperature plus 1°C.
NEW QUESTION: Is this what 'Site:GroundTemperature:BuildingSurface' wants? i.e. 0 m depth soil temperature. Or some other depth? Or some other 'ground temperature' altogether?
--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "academicryan" wrote:
> Can somebody please help me do a very simple task.
> Calculate/find the monthly ground temperature for Singapore. To clarify, this is the input for the 'Site:GroundTemperature:BuildingSurface'.
> Extra info - I've already tried the Slab utility, it comes up with very unbelievable results. Calculating some months below 17°C when Singapore air temperatures never drops below 21°C.
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