[TRNSYS-users] WEIRD phenomena
王洋
wanghongyang1767 at gmail.com
Wed Jul 13 00:57:18 PDT 2011
Dear all,
I control OP(window opening factor) in order to make indoor CO2% lower than
0.001476 kg/kg (900 ppm) based on indoor CO2%. I used 2 simple methods:
1) OP=(LT(0.001476, CO2%))*1, i.e. if CO2%>0.001476, OP=1 windows will open
completely;
2) I defined SCHEDULE 001: about every 1 or 2 hours, OP=1 during 15 mins, 6
cycles.
BUT the two methods' results are very weird. to 1): OP is from 0 to 1 then
to 0, there are 6 cycles during 24 h, 1 open/close cycle about only 6 mins,
but FLTOZ: escaping air flow mass about 3000kg in all, CO2% is indeed lower
than 900 ppm; Please see the ATTACHED 1st and 2nd, 3rd is the
Online-plotter. FLTOZ can be seen from the *.out file 4th Attached.
to 2): SCHEDULE 001 is from 0 to 1, after 15 mins, from 1 to 0, there are
also 6 cycles during 24 h, 1 open/close cycle about 15 mins, ALTHOUGH cycle
time is bigger than 1): 6 mins, FLTOZ: escaping air flow mass about only
1550kg in all (weird), CO2% is higher than 900 ppm sometimes (weird); Please
see the ATTACHED 5th and 6th, 7th is the Online-plotter. FLTOZ can be seen
from the *.out file 8th Attached. SCHEDULE 001 can be found in TRNBUILD
file.
I can't understand why 2)'s opening time is bigger than 1) and its open type
is complete open during 15 mins (like a rectangle), but FLTOZ (escaping air
flow mass about only 1550kg in all), CO2% is higher than 900 ppm sometimes ,
however, 1)'s open type is from 0 to 1 then to 0 only during 6 mins like a
triangle, but FLTOZ (escaping air flow mass about 3000kg in all), CO2% is
indeed lower than 900 ppm?
Please give me some advices! I think the problem may be TRNSYS and TRNFlow
compatible reason.
Many thanks in advance!
Br.
wang
2011/7/7 <trnsys-users-request at cae.wisc.edu>
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> Today's Topics:
>
> 1. Type 101-CLOSE error (Baboo Gowreesunker)
> 2. type 15-2 weather file (Muhammad Farooq)
>
>
> ---------- 已转发邮件 ----------
> From: Baboo Gowreesunker <Baboo.Gowreesunker at brunel.ac.uk>
> To: "trnsys-users at cae.wisc.edu" <trnsys-users at cae.wisc.edu>
> Date: Thu, 7 Jul 2011 10:32:40 +0100
> Subject: [TRNSYS-users] Type 101-CLOSE error
>
> Hi all****
>
> ** **
>
> I’m running type 101 on a windows 7, 64 bit machine. ****
>
> Everytime I run the simulation, it runs for a few time steps, and then I
> obtain the following error:****
>
> ** **
>
> Forrtl: severe (28): CLOSE error, Unit 10, file “Unknown” Image PC Routine
> Line Source libifcoremd.dll 03DBD3FE Unknown Unknown Unknown****
>
> Stack trace terminated abnormally.****
>
> ** **
>
> I don’t believe its an error in the code because otherwise it would not run
> the few timesteps.****
>
> I don’t know whether it has to do with ‘limited access to C: drive’, where
> libifcoremd.dll is located.****
>
> ** **
>
> Can somebody help me ?****
>
> ** **
>
> ** **
>
> ** **
>
> ** **
>
>
> ---------- 已转发邮件 ----------
> From: Muhammad Farooq <engr_farooq85 at yahoo.com>
> To: trnsys-users at cae.wisc.edu
> Date: Thu, 7 Jul 2011 14:56:45 +0100 (BST)
> Subject: [TRNSYS-users] type 15-2 weather file
>
> Hi,
>
> I am simulating type 1b solar thermal collector using type 15-2 weather
> files.I want to calculate the useful energy of the collector for london
> environment.but the useful energy is in negative,why is that it should be
> positive.take a look of the simulation result below:I have highlighted it
> with the red color. waiting for the reply
>
> Time QColl
>
> +0.0000000000000000E+00 +0.0000000000000000E+00
> +1.0000000000000000E+00 +0.0000000000000000E+00
> +2.0000000000000000E+00 +0.0000000000000000E+00
> +3.0000000000000000E+00 +0.0000000000000000E+00
> +4.0000000000000000E+00 +0.0000000000000000E+00
> +5.0000000000000000E+00 +0.0000000000000000E+00
> +6.0000000000000000E+00 +0.0000000000000000E+00
> +7.0000000000000000E+00 +0.0000000000000000E+00
> +8.0000000000000000E+00 +0.0000000000000000E+00
> +9.0000000000000000E+00 -2.4173684203587297E+02
> +1.0000000000000000E+01 -2.5441648977456410E+02
> +1.1000000000000000E+01 +4.8138101649880042E+01
> +1.2000000000000000E+01 +1.6144304197108370E+03
> +1.3000000000000000E+01 +3.4669850296828163E+03
>
>
> _______________________________________________
> TRNSYS-users mailing list
> TRNSYS-users at cae.wisc.edu
> https://mailman.cae.wisc.edu/listinfo/trnsys-users
>
>
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Label not available
Period QALFL_S7
+1 +0.5886686097364873E+01
+2 +0.5874571711756289E+01
+3 +0.5870481887832284E+01
+4 +0.5868694237433374E+01
+5 +0.5868229649495333E+01
+6 +0.5868197861127555E+01
+7 +0.5869541899301112E+01
+8 +0.5870883716270328E+01
+9 +0.5870311190374196E+01
+10 +0.4820322541496716E+03
+11 +0.4815497620473616E+03
+12 +0.5858816583640873E+01
+13 +0.4811787499906495E+03
+14 +0.4811684841499664E+03
+15 +0.5855275082867593E+01
+16 +0.4812460304168053E+03
+17 +0.4816156947053969E+03
+18 +0.5858901953324676E+01
+19 +0.5858938519377261E+01
+20 +0.5861233023460954E+01
+21 +0.5864111830014735E+01
+22 +0.5866574035026133E+01
+23 +0.5867884776089340E+01
+24 +0.5869222800247371E+01
Maximum Instantaneous Values
Label not available
Maximum Value +0.9529092121124268E+04
Time of Maximum +0.9449999999999999E+01
Minimum Instantaneous Values
Label not available
Minimum Value +0.5852300953119993E+01
Time of Minimum +0.1365000000000000E+02
Maximum Integrated Values
Label not available
Maximum Value +0.4820322541496716E+03
Time of Maximum +0.1000000000000000E+02
Minimum Integrated Values
Label not available
Minimum Value +0.5855275082867593E+01
Time of Minimum +0.1500000000000000E+02
Sum (note: sums are set to zero for inputs that were not integrated.)
Label not available
Total +0.2994399532314856E+04
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Label not available
Period Fltoz
+1 +0.2279031499056146E+01
+2 +0.2114541971823201E+01
+3 +0.2087683409918100E+01
+4 +0.2069744659820572E+01
+5 +0.2070216990541667E+01
+6 +0.2070541474968195E+01
+7 +0.2079835706390440E+01
+8 +0.2094045986887068E+01
+9 +0.2144003083230928E+01
+10 +0.2472861289826687E+03
+11 +0.2294894303195179E+01
+12 +0.2507755868334789E+03
+13 +0.2514201268041506E+03
+14 +0.2328026363393292E+01
+15 +0.2522034974943381E+03
+16 +0.2533673059742432E+03
+17 +0.2539419648761395E+03
+18 +0.2376539027318358E+01
+19 +0.2414686818374321E+01
+20 +0.2426220254274085E+01
+21 +0.2428240020526573E+01
+22 +0.2418394291307777E+01
+23 +0.2399059619056061E+01
+24 +0.2379940110258758E+01
Maximum Instantaneous Values
Label not available
Maximum Value +0.1128946709632874E+04
Time of Maximum +0.1655000000000000E+02
Minimum Instantaneous Values
Label not available
Minimum Value +0.1782002463005483E+01
Time of Minimum +0.9850000000000000E+01
Maximum Integrated Values
Label not available
Maximum Value +0.2539419648761395E+03
Time of Maximum +0.1700000000000000E+02
Minimum Integrated Values
Label not available
Minimum Value +0.2069744659820572E+01
Time of Minimum +0.4000000000000000E+01
Sum (note: sums are set to zero for inputs that were not integrated.)
Label not available
Total +0.1549470256555360E+04
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