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Re: [TRNSYS-users] PCM surface temperatures insignificant balance results



Thanks a lot Seyedmostafa.


On Sun, 6 Jun 2021, 03:12 Seyedmostafa Mousavi, <sm.mousavi@unimelb.edu.au> wrote:

Hi Amin,

 

When you link Type 399 to Type 56:

 

If the surface 1 is facing “the air node”, then TB1 = Tstar (= NType 23: star node temperature of the zone)

If the surface is facing outside, then TB1 = ambient air temperature

If the surface is facing “user-defined boundary condition”, then TB1 = boundary temperature as defined in Type56

 

Regards,

Seyedmostafa Mousavi

Renewable Energy and Energy Efficiency Group

The University of Melbourne, Australia

 

From: TRNSYS-users <trnsys-users-bounces@lists.onebuilding.org> On Behalf Of Amin HADDAD via TRNSYS-users
Sent: Sunday, 6 June 2021 4:17 AM
To: TRNSYS users mailing list at OneBuilding.org <trnsys-users@lists.onebuilding.org>
Cc: Amin HADDAD <itshaddad1@gmail.com>
Subject: [TRNSYS-users] PCM surface temperatures insignificant balance results

 

Hello TRNSYS users,

 

I am using type 399 for coupling phase change materials with multizone type 56. And there are many unclear things about it (for me ):

 

Is it correct to use Tstar_node as an output from type 56 and link it as an input of temperature for both surfaces Tsurface 1 and Tsurface 2 of the PCM type 399 ?

 

I'll be grateful for any help you can provide 

 

Thank you

 

Amin