[TRNSYS-users] question of active layer

王洋 wanghongyang1767 at gmail.com
Thu Sep 22 01:38:23 PDT 2011


Dear all,

      I have the questions about Active Layer:
1. The floor heating area is 27.2 m^2 in our test room, but the floor area
is 40 m^2. Like this situation, Can I set two floors in TRNBuild? One is the
floor  with 40 m^2, another is floor with 27.2 m^2 active layer? Or others?

2. I only know the power of this floor heating 1400 W. How can I define it?
Or by what method to stand for this power?

     Many thanks in advance!

     Br.

     wang

在 2011年9月22日 上午9:56,王洋 <wanghongyang1767 at gmail.com>写道:

> Dear all,
>
>      I have a simple question about Type 23. Is it Digital or Continuous
> Controller? Continuous?
>  Is Type 22? Digital? I'm a little puzzled.
>
>    Many thanks in advance!
>
>   Br.
>
>  wang
>
> 2011/9/21 <trnsys-users-request at cae.wisc.edu>
>
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>> Today's Topics:
>>
>>   1. Active Layer and auto segmentation (Avesani Stefano )
>>   2. Re: Step by step example (Matt Duffy)
>>
>>
>> ---------- 已转发邮件 ----------
>> From: "Avesani Stefano " <stefano.avesani at eurac.edu>
>> To: <trnsys-users at cae.wisc.edu>
>> Date: Wed, 21 Sep 2011 18:07:09 +0200
>> Subject: [TRNSYS-users] Active Layer and auto segmentation
>>
>> Dear all,****
>>
>> ** **
>>
>> Why is not the button “Divide surface” always present?****
>>
>> I am simulating a radiant wall with “standard” features (pipe spacing 15
>> cm, pipe ext diameter 2 cm, pipe thickness 2 mm).****
>>
>> ** **
>>
>> Furthermore, I have found no information about how the parameter “number
>> of fluid loops” is taken into account in the mathematical model. Do you have
>> any idea? ****
>>
>> ** **
>>
>> Last question: how does TRNSYS calculate the minimum allowed inlet mass
>> flowrate in case of a “number of fluid loops” greater than 1?****
>>
>> ** **
>>
>> Thanks a lot!****
>>
>> With best regards!
>>
>> ****
>>
>> Stefano****
>>
>> ** **
>>
>>
>> ---------- 已转发邮件 ----------
>> From: "Matt Duffy" <duffy at tess-inc.com>
>> To: fouih.younness at gmail.com, trnsys-users at cae.wisc.edu
>> Date: Wed, 21 Sep 2011 11:46:25 -0500 (CDT)
>> Subject: Re: [TRNSYS-users] Step by step example
>>
>>
>>
>> Dear Younness,
>>
>> The TRNSYS Volume 1 document steps through a simple TRNSYS simulation. The
>> heat exchanger components are very similar in concept to the other typical
>> TRNSYS components such that it has time independent (constant) parameters,
>> inputs (either variable from another component or a constant input value),
>> and outputs. There is the TRNSYS Mathematical Reference Volume 4 document
>> with information about the heat exchanger models in TRNSYS. There are a few
>> examples with the TESS HVAC Library in the ".\Tess Models\Examples"
>> directory with TESS Heat Exchanger models.
>>
>> Best regards,
>>
>> Matt Duffy
>>
>> *----- Original Message -----*
>> *From:* "youness EL FOUIH" <fouih.younness at gmail.com>
>> *Sent:* Tue, September 20, 2011 9:55
>> *Subject:* [TRNSYS-users] Step by step example
>>
>> Hello,
>> Please if any one of you have a  "step-by-step" tutorial showing how we
>> can simulate a heat exchanger system (any one) using TRNSYS, I would be
>> grateful if can send it to me or show me the URL of the tutorial.
>> thanks a lot.
>> Younness
>>
>> ------------------------------
>>
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