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Re: [EnergyPlus_Support] Internal mass schedule
With the heat balance method it would seem to be at least technically
feasible
to do this.
Fred
Jeff Haberl wrote:
>Fred.
>
>I've been thinking about Jay's question ever since I've seen it and I can think of several applications where this may be used.
>
>First, in the hot summer when one drives one's hot car into the attached garage and then shuts the garage door, in my house in Texas this can cause a non-trivial, elevated temperature in the garage that lasts for hours. Clearly, this could be better modeled with scheduled thermal mass.
>
>Second, thermal mass external to the building envelope in an unconditioned courtyard house, especially when wetted, contributes to an micro-climate inside the courtyard, which can significantly cool the house. In this case the wetting takes place in the AM as the house occupant waters the plants (This is described in John Reynold's Courtyard book.
>
>Third, stores like Wal Mart that unload 1,000s of lbs of mechandise into the store that has been sitting in an unconditioned semi will experience a spike in AC in the zones where thr goods are delivered.
>
>Finally, frozen warehouses would be more accurately simulated with scheduled thermal mass.
>
>There's an opportunity here for someone.
>
>Jeff
>BB 8=! 8=) :=) 8=) ;=) 8=) 8=( 8=) :=') 8=) 8=) 8=? BB
>
>Jeff S. Haberl, Ph.D., P.E.............................jhaberl@xxxxxxxxxxxx
>
>Professor......................................................Office Ph: 979-845-6507
>
>Department of Architecture.......................Lab Ph: 979-845-6065
>
>Energy Systems Laboratory.......................FAX: 979-862-2457
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>Texas A&M University..............................77843-3581
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>BB 8=/ 8=) :=) 8=) ;=) 8=) 8=() 8=) 8=? 8=) 8=) 8= BB
>
>
>-----Original Message-----
>From: EnergyPlus_Support@xxxxxxxxxxxxxxx
>To: EnergyPlus_Support@xxxxxxxxxxxxxxx
>Sent: Fri Aug 04 13:01:18 2006
>Subject: Re: [EnergyPlus_Support] Internal mass schedule
>
>Did anyone answer this? No you can't schedule internal mass. What an
>interesting
>idea (no irony intended). Maybe someone else will have a bright idea -
>such as
>modeling (approximately) the mass outside the building model and
>inputting the result as a scheduled
>internal load.
>
>Fred
>
>jay_keazer wrote:
>
>
>
>>Hello,
>>Is it possible to assign a schedule to internal mass or some other
>>variable to account for mass coming in or out of a structure? I want
>>to try to quantify the effects of bringing a large mass at a high
>>temperature into a cooled building.
>>
>>Thanks,
>>Jay
>>
>>
>>
>>
>>
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>
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