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RE: [EnergyPlus_Support] Snowmelt





At least one issue is the current weather files seldom have reliable precipitation data.  Typically a snow melt system remains on in larger installations because it takes too long to heat the slab and ground if it is only turned on for a snow event.  The new systems have a low output standby heat setting with moisture sensors to trigger high output snow melting.

 

Ned Lyon, P.E. (MA)
Staff Consultant

SIMPSON GUMPERTZ & HEGER
781.907.9000 main
781.907.9350 direct 
781.907.9009 fax
www.sgh.com

 

From: EnergyPlus_Support@xxxxxxxxxxxxxxx [mailto:EnergyPlus_Support@xxxxxxxxxxxxxxx] On Behalf Of Karen Walkerman
Sent: Friday, December 09, 2011 2:38 PM
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
Subject: [EnergyPlus_Support] Snowmelt

 

 

Has anyone used EnergyPlus to model snowmelt?  Snow-melting is mentioned under "GroundHeatExchanger:Surface", but I am skeptical about actually using this object to melt snow.  Does this object model the additional heat lost from the surface in order to melt snow?  Does it model the insulating properties of the snow if the slab is not warm enough to melt the snow?

 

I'm looking for any feedback, ideas or discussion.

 

Thanks!

 

--

Karen



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