[TRNSYS-users] OUTPUT about storing thermal energy of wall

王洋 wanghongyang1767 at gmail.com
Fri Jan 14 13:19:59 PST 2011 

Dear all,


I assumed the initial indoor temperature as 20°C, it means the walls and
roof and
floor can store lots of thermal energy. PLEASE tell me which OUTPUT is
storing thermal energy of wall?
Which NTYPE? QCOMI or QABSI or QUA? QCSURF?

Many thanks!

Br.

wang

在 2011年1月14日 下午9:40， <trnsys-users-request at cae.wisc.edu>写道：

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>
> Today's Topics:
>
>   1. the total heating demand calculation by TRNSYS and        by hand (??)
>   2. Wall's Convective heat transfer coefficient and   Solar
>      absorptance (??)
>
>
> ---------- 已转发邮件 ----------
> From: 王洋 <wanghongyang1767 at gmail.com>
> To: trnsys-users at cae.wisc.edu
> Date: Fri, 14 Jan 2011 21:28:21 +0100
> Subject: [TRNSYS-users] the total heating demand calculation by TRNSYS and
> by hand
> Dear all,
>
>  I assumed that the initial indoor temperature is 20°C and maintains the
> same value during 24 hours, the outdoor temperature is 0°C and stable
> also  during 24 hours. It exists no cracks and infiltration and
> ventilation.
>
>    Conditions of the big test room: Volume of the big room: 100 m3, Density
> of
> the air at 20°C: 1.205 kg/m3, Indoor air temperature of the big room:
> 20°C, Outdoor temperature: 0°C, Specific heat capacity of air at 20°C:
> 1.004 kJ/kg*k.
>
>    Do you mean let me calculate the total heating demand. I think it
> includes two parts: first one is the heating which maintains 20°C,
> second is the heating which compensate the heat loss resulted from the
> heat transfer. The heat loss includes the heat transfer through the
> walls and floor and roof. (In other words, only one part: the second
> one) I think the main type of heat transfer is the heat conduction.
>
>    I used the software output "QHEAT" and "INTEGRATOR" to calculate the
> total heating demand one day, the heating is radiator, the max. power
> is 1.1 kW(the big room's actual heating power), the result is 34314.2
> kJ, and I asked the technical support, he said QHEAT is the total
> heating demand. But I calculated by hand, only the heat loss through
> the walls and roof and floor is 80000 kJ.
>
>   After thinking and analysis, I think the problem maybe is that I assumed
> the initial indoor temperature as 20°C, it means the walls and roof and
> floor can store lots of thermal energy. So the result of software:
> 34314.2 kJ is smaller than 80000 kJ. Because the thermal energy the
> walls and roof and floor can store should be bigger than 80000 kJ or
> next to it. How to calculate the heat loss through the wall and roof and
> floor using TRNSYS?
>
>   Another problem is that I used the software's air-conditioning to
> calculate the total heating energy, the result is 12707.7 kJ which is
> smaller than the raditor. So I think the technical support and manual
> said the total heating energy only is the energy which heats the indoor
> air, not calculating or considering the storing thermal energy of the
> walls etc. Am I right or not? Please explain the reasons!
>
>   These days I will make sure the software is how to calculate the heat
> loss through the walls etc. and how much thermal energy the walls store.
> And I think the TRNSYS should be not wrong or not?
>
>   PLEASE tell me why the heating energy's difference by TRNSYS and by
> hand is so big- about 50000 kJ?
>
>   Many thanks!
>
>   Br.
>
> wang
>
>
>
>
> 2011/1/14 <trnsys-users-request at cae.wisc.edu>
>
>> Send TRNSYS-users mailing list submissions to
>>        trnsys-users at cae.wisc.edu
>>
>> To subscribe or unsubscribe via the World Wide Web, visit
>>        https://mailman.cae.wisc.edu/listinfo/trnsys-users
>> or, via email, send a message with subject or body 'help' to
>>        trnsys-users-request at cae.wisc.edu
>>
>> You can reach the person managing the list at
>>        trnsys-users-owner at cae.wisc.edu
>>
>> When replying, please edit your Subject line so it is more specific
>> than "Re: Contents of TRNSYS-users digest..."
>>
>> Today's Topics:
>>
>>   1. Equation tool (Rambod Rayegan)
>>   2. TRNSYS Manual (Rambod Rayegan)
>>   3. Re: Equation tool (Mehdi Shahrestani)
>>   4. Re: TRNSYS Manual (Matt Duffy)
>>   5. Re: TRNSYS Manual (Mehdi Shahrestani)
>>
>>
>> ---------- 已转发邮件 ----------
>> From: Rambod Rayegan <rraye001 at fiu.edu>
>> To: trnsys-users at cae.wisc.edu
>> Date: Fri, 14 Jan 2011 14:19:11 -0500
>> Subject: [TRNSYS-users] Equation tool
>> Dear TRNSYS users,
>>
>> I don't know  how can I find the function of each botton (like GT, LT, LE,
>> AE, NE, STEP,  ...) in the equation tool of the TRNSYS.
>> Is there any file or section in the TRNSYS documentation files that
>> explain equation tool functions?
>>
>> Thank you,
>>
>> Rambod
>>
>>
>>
>> ---------- 已转发邮件 ----------
>> From: Rambod Rayegan <rraye001 at fiu.edu>
>> To: trnsys-users at cae.wisc.edu
>> Date: Fri, 14 Jan 2011 14:24:18 -0500
>> Subject: [TRNSYS-users] TRNSYS Manual
>>
>> Dear TRNSYS users,
>>
>> Is ther any file named" TRNSYS Manual " in your documents after installing
>> the software.?
>> It seems sometime in some documents the author refers to TRNSYS Manual. I
>> have not such a document in my documenation folder.
>>
>> Thank you,
>>
>> Rambod
>>
>>
>> ---------- 已转发邮件 ----------
>> From: "Mehdi Shahrestani" <mahdishahrestani at yahoo.com>
>> To: "'Rambod Rayegan'" <rraye001 at fiu.edu>
>> Date: Fri, 14 Jan 2011 19:30:58 -0000
>> Subject: Re: [TRNSYS-users] Equation tool
>>
>> Dear Rambod
>>
>>
>>
>> Just go to Trnsys manual volume 6 page 25.
>>
>> You can find all of them in that page. Moreover, you can find them as a
>> FORTRAN functions in each FORTRAN book.
>>
>> Anyway, if you do not have that page let me know I am online tonight.
>>
>>
>>
>> Nice to hearing you
>>
>> Mehdi
>>
>>
>>  ------------------------------
>>
>> *From:* trnsys-users-bounces at cae.wisc.edu [mailto:
>> trnsys-users-bounces at cae.wisc.edu] *On Behalf Of *Rambod Rayegan
>> *Sent:* 14 January 2011 19:19
>> *To:* trnsys-users at cae.wisc.edu
>> *Subject:* [TRNSYS-users] Equation tool
>>
>>
>>
>> Dear TRNSYS users,
>>
>>
>>
>> I don't know  how can I find the function of each botton (like GT, LT, LE,
>> AE, NE, STEP,  ...) in the equation tool of the TRNSYS.
>>
>> Is there any file or section in the TRNSYS documentation files that
>> explain equation tool functions?
>>
>>
>>
>> Thank you,
>>
>>
>>
>> Rambod
>>
>>
>> ---------- 已转发邮件 ----------
>> From: "Matt Duffy" <duffy at tess-inc.com>
>> To: "Rambod Rayegan" <rraye001 at fiu.edu>, trnsys-users at cae.wisc.edu
>> Date: Fri, 14 Jan 2011 13:38:12 -0600 (CST)
>> Subject: Re: [TRNSYS-users] TRNSYS Manual
>>
>> Rambod,
>>
>> Simply hit the "F1" button to open the documentation main menu, or you can
>> click on the "?" icon in the Studio. You can manually go to the
>> documentaiton folder as well, ".\Documentation".
>>
>> The section about the logical functions is in the TRNEdit manual - Volume
>> 6 - section 6.3.9.1.
>>
>> Best regards,
>>
>> Mat Duffy
>>
>> *----- Original Message -----*
>> *From:* "Rambod Rayegan" <rraye001 at fiu.edu>
>> *Sent:* Fri, January 14, 2011 13:24
>> *Subject:* [TRNSYS-users] TRNSYS Manual
>>
>>
>> Dear TRNSYS users,
>>
>> Is ther any file named" TRNSYS Manual &qu! ot; in your documents after
>> installing the software.?
>> It seems sometime in some documents the author refers to TRNSYS Manual. I
>> have not such a document in my documenation folder.
>>
>> Thank you,
>>
>> Rambod
>>
>> ------------------------------
>>
>> _______________________________________________
>> TRNSYS-users mailing listTRNSYS-users at cae.wisc.eduhttps://mailman.cae.wisc.edu/listinfo/trnsys-users
>>
>>
>>
>> ---------- 已转发邮件 ----------
>> From: "Mehdi Shahrestani" <mahdishahrestani at yahoo.com>
>> To: "'Rambod Rayegan'" <rraye001 at fiu.edu>
>> Date: Fri, 14 Jan 2011 19:40:09 -0000
>> Subject: Re: [TRNSYS-users] TRNSYS Manual
>>
>> Rambod
>>
>>
>>
>> At the top of your TRNSYS screen after “windows” there is a icon with this
>> sign “?” .
>>
>> If you go through that, manuals are there.
>>
>>
>>
>> Hope it helps
>>
>> Mehdi
>>
>>
>>  ------------------------------
>>
>> *From:* trnsys-users-bounces at cae.wisc.edu [mailto:
>> trnsys-users-bounces at cae.wisc.edu] *On Behalf Of *Rambod Rayegan
>> *Sent:* 14 January 2011 19:24
>> *To:* trnsys-users at cae.wisc.edu
>> *Subject:* [TRNSYS-users] TRNSYS Manual
>>
>>
>>
>>
>> Dear TRNSYS users,
>>
>>
>>
>> Is ther any file named" TRNSYS Manual " in your documents after installing
>> the software.?
>>
>> It seems sometime in some documents the author refers to TRNSYS Manual. I
>> have not such a document in my documenation folder.
>>
>>
>>
>> Thank you,
>>
>>
>>
>> Rambod
>>
>> _______________________________________________
>> TRNSYS-users mailing list
>> TRNSYS-users at cae.wisc.edu
>> https://mailman.cae.wisc.edu/listinfo/trnsys-users
>>
>>
>
>
> ---------- 已转发邮件 ----------
> From: 王洋 <wanghongyang1767 at gmail.com>
> To: trnsys-users at cae.wisc.edu
> Date: Fri, 14 Jan 2011 21:40:10 +0100
> Subject: [TRNSYS-users] Wall's Convective heat transfer coefficient and
> Solar absorptance
> Dear all,
>
>    Please tell me what's meaning of Wall's Convective heat transfer
> coefficient and Solar absorptance: Front and Back?
>
>    Front means: to the indoor? Back means: to the outdoor?
>
>   If I calculate the total heating energy of one room, whether QHEAT
> include  Wall's Convective heat transfer and Solar absorptance's Front and
> Back or not?
>
>   Many thanks!
>
>  Br.
>
> wang
>
>
> 2011/1/14 <trnsys-users-request at cae.wisc.edu>
>
>> Send TRNSYS-users mailing list submissions to
>>        trnsys-users at cae.wisc.edu
>>
>> To subscribe or unsubscribe via the World Wide Web, visit
>>        https://mailman.cae.wisc.edu/listinfo/trnsys-users
>> or, via email, send a message with subject or body 'help' to
>>        trnsys-users-request at cae.wisc.edu
>>
>> You can reach the person managing the list at
>>        trnsys-users-owner at cae.wisc.edu
>>
>> When replying, please edit your Subject line so it is more specific
>> than "Re: Contents of TRNSYS-users digest..."
>>
>> Today's Topics:
>>
>>   1. Equation tool (Rambod Rayegan)
>>   2. TRNSYS Manual (Rambod Rayegan)
>>   3. Re: Equation tool (Mehdi Shahrestani)
>>   4. Re: TRNSYS Manual (Matt Duffy)
>>   5. Re: TRNSYS Manual (Mehdi Shahrestani)
>>
>>
>> ---------- 已转发邮件 ----------
>> From: Rambod Rayegan <rraye001 at fiu.edu>
>> To: trnsys-users at cae.wisc.edu
>> Date: Fri, 14 Jan 2011 14:19:11 -0500
>> Subject: [TRNSYS-users] Equation tool
>> Dear TRNSYS users,
>>
>> I don't know  how can I find the function of each botton (like GT, LT, LE,
>> AE, NE, STEP,  ...) in the equation tool of the TRNSYS.
>> Is there any file or section in the TRNSYS documentation files that
>> explain equation tool functions?
>>
>> Thank you,
>>
>> Rambod
>>
>>
>>
>> ---------- 已转发邮件 ----------
>> From: Rambod Rayegan <rraye001 at fiu.edu>
>> To: trnsys-users at cae.wisc.edu
>> Date: Fri, 14 Jan 2011 14:24:18 -0500
>> Subject: [TRNSYS-users] TRNSYS Manual
>>
>> Dear TRNSYS users,
>>
>> Is ther any file named" TRNSYS Manual " in your documents after installing
>> the software.?
>> It seems sometime in some documents the author refers to TRNSYS Manual. I
>> have not such a document in my documenation folder.
>>
>> Thank you,
>>
>> Rambod
>>
>>
>> ---------- 已转发邮件 ----------
>> From: "Mehdi Shahrestani" <mahdishahrestani at yahoo.com>
>> To: "'Rambod Rayegan'" <rraye001 at fiu.edu>
>> Date: Fri, 14 Jan 2011 19:30:58 -0000
>> Subject: Re: [TRNSYS-users] Equation tool
>>
>> Dear Rambod
>>
>>
>>
>> Just go to Trnsys manual volume 6 page 25.
>>
>> You can find all of them in that page. Moreover, you can find them as a
>> FORTRAN functions in each FORTRAN book.
>>
>> Anyway, if you do not have that page let me know I am online tonight.
>>
>>
>>
>> Nice to hearing you
>>
>> Mehdi
>>
>>
>>  ------------------------------
>>
>> *From:* trnsys-users-bounces at cae.wisc.edu [mailto:
>> trnsys-users-bounces at cae.wisc.edu] *On Behalf Of *Rambod Rayegan
>> *Sent:* 14 January 2011 19:19
>> *To:* trnsys-users at cae.wisc.edu
>> *Subject:* [TRNSYS-users] Equation tool
>>
>>
>>
>> Dear TRNSYS users,
>>
>>
>>
>> I don't know  how can I find the function of each botton (like GT, LT, LE,
>> AE, NE, STEP,  ...) in the equation tool of the TRNSYS.
>>
>> Is there any file or section in the TRNSYS documentation files that
>> explain equation tool functions?
>>
>>
>>
>> Thank you,
>>
>>
>>
>> Rambod
>>
>>
>> ---------- 已转发邮件 ----------
>> From: "Matt Duffy" <duffy at tess-inc.com>
>> To: "Rambod Rayegan" <rraye001 at fiu.edu>, trnsys-users at cae.wisc.edu
>> Date: Fri, 14 Jan 2011 13:38:12 -0600 (CST)
>> Subject: Re: [TRNSYS-users] TRNSYS Manual
>>
>> Rambod,
>>
>> Simply hit the "F1" button to open the documentation main menu, or you can
>> click on the "?" icon in the Studio. You can manually go to the
>> documentaiton folder as well, ".\Documentation".
>>
>> The section about the logical functions is in the TRNEdit manual - Volume
>> 6 - section 6.3.9.1.
>>
>> Best regards,
>>
>> Mat Duffy
>>
>> *----- Original Message -----*
>> *From:* "Rambod Rayegan" <rraye001 at fiu.edu>
>> *Sent:* Fri, January 14, 2011 13:24
>> *Subject:* [TRNSYS-users] TRNSYS Manual
>>
>>
>> Dear TRNSYS users,
>>
>> Is ther any file named" TRNSYS Manual &qu! ot; in your documents after
>> installing the software.?
>> It seems sometime in some documents the author refers to TRNSYS Manual. I
>> have not such a document in my documenation folder.
>>
>> Thank you,
>>
>> Rambod
>>
>> ------------------------------
>>
>> _______________________________________________
>> TRNSYS-users mailing listTRNSYS-users at cae.wisc.eduhttps://mailman.cae.wisc.edu/listinfo/trnsys-users
>>
>>
>>
>> ---------- 已转发邮件 ----------
>> From: "Mehdi Shahrestani" <mahdishahrestani at yahoo.com>
>> To: "'Rambod Rayegan'" <rraye001 at fiu.edu>
>> Date: Fri, 14 Jan 2011 19:40:09 -0000
>> Subject: Re: [TRNSYS-users] TRNSYS Manual
>>
>> Rambod
>>
>>
>>
>> At the top of your TRNSYS screen after “windows” there is a icon with this
>> sign “?” .
>>
>> If you go through that, manuals are there.
>>
>>
>>
>> Hope it helps
>>
>> Mehdi
>>
>>
>>  ------------------------------
>>
>> *From:* trnsys-users-bounces at cae.wisc.edu [mailto:
>> trnsys-users-bounces at cae.wisc.edu] *On Behalf Of *Rambod Rayegan
>> *Sent:* 14 January 2011 19:24
>> *To:* trnsys-users at cae.wisc.edu
>> *Subject:* [TRNSYS-users] TRNSYS Manual
>>
>>
>>
>>
>> Dear TRNSYS users,
>>
>>
>>
>> Is ther any file named" TRNSYS Manual " in your documents after installing
>> the software.?
>>
>> It seems sometime in some documents the author refers to TRNSYS Manual. I
>> have not such a document in my documenation folder.
>>
>>
>>
>> Thank you,
>>
>>
>>
>> Rambod
>>
>> _______________________________________________
>> TRNSYS-users mailing list
>> TRNSYS-users at cae.wisc.edu
>> https://mailman.cae.wisc.edu/listinfo/trnsys-users
>>
>>
>
> _______________________________________________
> TRNSYS-users mailing list
> TRNSYS-users at cae.wisc.edu
> https://mailman.cae.wisc.edu/listinfo/trnsys-users
>
>
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