Re: [TRNSYS-users] cooling coil

["Diego A. Arias" <daarias@wisc.edu>]

Dear Ming,

I do not know what level of complexity you need for your model, but you 
may try using a heat exchanger (Type5). It is a very basic component 
that only takes into account overall energy balance: you need the 
thermal capacitance of the two streams, their mass flow rates and inlet 
temperatures. If you provide the effectiveness, you will get the outlet 
temperatures. I do not know if this is too simple for your project.
Best regards,

Diego


Liu, Ming - liumy008 wrote:
> Hello everyone,
>
> I need a component “Cooling Coil” to setup my model. One side is the 
> secondary coolant; its inlet temperature is about -29C. The other side 
> is air; its inlet temperature is about -22C. However, in the Cooling 
> Coil (Type32 & Type52) in TRNSYS, air is assumed to exchange heat with 
> water. I can not set the inlet water temperature to a minus value.
>
> Is there anyone know what component I can use instead of Type 32 and 
> Type 52?
>
> Thanks in advance!
>
> Ming
>
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