RE: [EnergyPlus_Support] Latent-Sensible heat

["Michael J. Witte" <mjwitte@xxxxxxxx>]

This is not possible with current EnergyPlus capabilities.  Only a single 
constant specific heat can be modeled.  Modeling PCMs will require new code 
development.

Mike


On 11 Mar 2004, at 9:41, Mei Ren wrote:

> Some PCM materials do not necessarily behave like ideal latent heat storage:
> sudden increase in specific capacity at one exact temperature. The specific
> capacity can vary dramatically with temperatures within the limit of melting
> range. For instance, this range can vary between 10 to 30degC depending on
> individual PCM. You might want to try to assign specific capacity to PCM as a
> function of temperature, if this can be done in EnergyPlus?
> 
> Mei
> 
> 
> 
> -----Original Message-----
> From: zh_guangyu@xxxxxxxxxxxx [mailto:zh_guangyu@xxxxxxxxxxxx]
> Sent: 10 March 2004 02:44
> To: EnergyPlus_Support@xxxxxxxxxxxxxxx
> Subject: Re: [EnergyPlus_Support] Latent-Sensible heat
> 
> 
> 
> Mike,
> How about trying assert the PCM a large specific heat value? that way, the
> temperature change would be small and phase change behavier might be
> approximated?
> 
> g.y.,zhang
> 
> 
> 
> 
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========================================================
Michael J. Witte, GARD Analytics, Inc.
EnergyPlus Testing and Support      
EnergyPlus-Support@xxxxxxxx



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