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Wang,<br>
I have seen this happen before as well; where the inlet mass flow
rate is above the required minimum but yet you still get an error
saying that the flow is too low. I worked with Transsolar on
tracking down the cause of the problem and we were never able to. I
try to keep the inlet mass flow rate at least 10 to 20% higher than
the minimum flow rate. Adrien's response is a good one; use the
autosegment feature to break your floor up into two or more floor
segments in series and your minimum specific flow rate will drop far
enough below the 5.4 kg/h.m2 that you are sending it.<br>
Kind regards,<br>
David<br>
<br>
<br>
On 2/1/2011 06:48, 王洋 wrote:
<blockquote
cite="mid:AANLkTikDEDBuotfASTBRMLxiCmhMB+R4rGkCDReXwJAg@mail.gmail.com"
type="cite">Dear all,<br>
<br>
I defined a active layer, but it shows ERROR as follows:<br>
<br>
<br>
<br>
<br>
Fatal Error at time : 0.350000<br>
Generated by Unit : 4<br>
Generated by Type : 56<br>
Message : Specific fluid mass flow of active
layer in surface 7 below minimum value of 5.35 kg/m2h Please,
increase the minimum mass flow rate or use the autosegmentation
feature of TRNBuild for subdividing the surface.<br>
<br>
<br>
<br>
But the min. allowed inlet mass flowrate is 5.37 kg/m2h, I defined
the min. desired inlet mass flowrate is 5.4 kg/m2h. <br>
The ATTACHED is the detailed setting of ACTIVE LAYER
SPECIFICATION. Please have a look and tell me how to correctly
define them? <br>
<br>
Please tell me how to increase the minimum mass flow rate? Where
is it in detail? I want to get only one surface not dividing it.
Please tell me how to get only one segmentation in detail?<br>
<br>
<br>
Many thanks!<br>
<br>
<br>
Br.<br>
<br>
wang<br>
<br>
<div class="gmail_quote">在 2011年2月1日 上午11:21，王洋 <span dir="ltr"><<a
moz-do-not-send="true"
href="mailto:wanghongyang1767@gmail.com">wanghongyang1767@gmail.com</a>></span>写
道：<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt
0.8ex; border-left: 1px solid rgb(204, 204, 204);
padding-left: 1ex;">
Dear all,<br>
<br>
I defined a active layer, but it shows ERROR as follows:<br>
<br>
<br>
<br>
<br>
Fatal Error at time : 0.350000<br>
Generated by Unit : 4<br>
Generated by Type : 56<br>
Message : Specific fluid mass flow of active
layer in surface 7 below minimum value of 5.35 kg/m2h
Please, increase the minimum mass flow rate or use the
autosegmentation feature of TRNBuild for subdividing the
surface.<br>
<br>
<br>
<br>
But the min. allowed inlet mass flowrate is 5.37 kg/m2h, I
defined the min. desired inlet mass flowrate is 5.4 kg/m2h. <br>
The ATTACHED is the detailed setting of ACTIVE LAYER
SPECIFICATION. Please have a look and tell me how to correctly
define them? <br>
<br>
Please tell me how to increase the minimum mass flow rate?
Where is it in detail? I want to get only one surface not
dividing it. Please tell me how to get only one segmentation
in detail?<br>
<br>
<br>
Many thanks!<br>
<br>
<br>
Br.<br>
<br>
wang<br>
<br>
<div class="gmail_quote">2011/1/31 <span dir="ltr"><<a
moz-do-not-send="true"
href="mailto:trnsys-users-request@cae.wisc.edu"
target="_blank">trnsys-users-request@cae.wisc.edu</a>></span><br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt
0.8ex; border-left: 1px solid rgb(204, 204, 204);
padding-left: 1ex;">
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Today's Topics:<br>
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1. Re: Using Equations with Initial Values (David
BRADLEY)<br>
<br>
<br>
---------- 已转发邮件 ----------<br>
From: David BRADLEY <<a moz-do-not-send="true"
href="mailto:d.bradley@tess-inc.com" target="_blank">d.bradley@tess-inc.com</a>><br>
To: "Aaron J. Danenberg" <<a moz-do-not-send="true"
href="mailto:danenberg@hartford.edu" target="_blank">danenberg@hartford.edu</a>><br>
Date: Mon, 31 Jan 2011 11:54:09 -0600<br>
Subject: Re: [TRNSYS-users] Using Equations with Initial
Values<br>
<div text="#000000" bgcolor="#ffffff"> Aaron,<br>
Type93 will do exactly that.<br>
Best,<br>
David<br>
<br>
<br>
On 1/31/2011 11:42, Aaron J. Danenberg wrote:
<blockquote type="cite">
<div>
<p class="MsoNormal">In the simulation studio I am
using the equation feature. For the first time
step, I need a variable in the equation to be some
defined constant value, for the following time
step I need that variable to be the output of
another component of the previous time step. Does
anyone know how to do this?</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal"><span style="font-family:
"Times New Roman","serif";">Aaron
J. Danenberg</span></p>
<p class="MsoNormal"><span style="font-family:
"Times New Roman","serif";">University
of Hartford</span></p>
<p class="MsoNormal"><span style="font-family:
"Times New Roman","serif";">Mechanical
Engineering Graduate Student</span></p>
<p class="MsoNormal"><span style="font-family:
"Times New Roman","serif";"><a
moz-do-not-send="true"
href="mailto:danenberg@hartford.edu"
target="_blank"><span style="color: blue;">danenberg@hartford.edu</span></a></span></p>
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<pre cols="72">--
***************************
David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
22 North Carroll Street - suite 370
Madison, WI 53703 USA
P:+1.608.274.2577
F:+1.608.278.1475
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<pre class="moz-signature" cols="72">--
***************************
David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
22 North Carroll Street - suite 370
Madison, WI 53703 USA
P:+1.608.274.2577
F:+1.608.278.1475
<a class="moz-txt-link-abbreviated" href="mailto:d.bradley@tess-inc.com">d.bradley@tess-inc.com</a>
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