[TRNSYS-users] Unacceptable results of cooling coil !!!
C K Lee via TRNSYS-users
trnsys-users at lists.onebuilding.org
Sun May 7 18:46:54 PDT 2017
Hello, Heidary.
I have gone through your file. I think there is some mismatch in your
selected parameters for the cooling coil. The fan mass flow rate is
1500 kg/hr but you use a coil with a face size of 2 m x 25 m which is
definitely too large. Try a much smaller size for the coil and see if
the problem can be solved.
Best Regards
C. K. Lee
Research Fellow
City University of Hong Kong
On 2017-05-08 02:07, Amirreza Heidary via TRNSYS-users wrote:
> Dear all
> I'm wondering about the type 52b (cooling coil) component. Attached is
> a simple simulation of it. I have used a 13 C inlet water temperature
> for coil. The air enters the coil with ambient conditions but the air
> outlet temperature is negative !
> In my main simulation I found that the air outlet temperature is lower
> than the water mean temperature !!! This caused wrong results of my
> simulation.
> Thank you
>
> --------------------------------------------------------------------------------------------------------------------------------------------------
>
> AMIRREZAHEIDARY
> _master student of energy systems Engineering_
> _Sharif university of technology_
> _Tehran-Iran_
> _E-mail address_:
>
>> heidari at energy.sharif.edu
>
>> amirrezaheidarysbu at gmail.com
>
> P_ __SAVE A TREE... PLEASE DON'T PRINT THIS E-MAIL UNLESS YOU REALLY
> NEED TO._
>
>
>
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