[BLDG-SIM] eQust and DoE simulation in China

Tianzhen Hong thong at archenergy.com
Thu Oct 5 09:16:58 PDT 2006


Matt,
 
If you are looking for validation of DOE-2.1E, you can find reports at
gundog.lbl.gov web pages.
 
I have not seen any measurement verification reports done in China for DOE-2
simulations.
 
 
Tianzhen

-----Original Message-----
From: BLDG-SIM at gard.com [mailto:BLDG-SIM at gard.com] On Behalf Of
myeagle00 at yahoo.com wu
Sent: Thursday, October 05, 2006 5:34 AM
To: BLDG-SIM at gard.com
Subject: [BLDG-SIM] eQust and DoE simulation in China


Dear all, 
 
My question is about eQuest. I wander if eQuest could be used to to energy
simulation for a highrise residential building with PV system? Are there any
published paper on this?
 
my second question is about the validation of the program. Has anybody used
eQuest in semin tropical climate in China (or similar area like hongkong)
and validated their result? Jeff suggested that eQuest shares the same core
as DOE-2 which has been extensively used in China and I can get validation
from the  DoE. Any suggestion is highly appreciated. 
 
Your help is very much appreciated.
 
Best Regards,
 
Matt
 
-------------------------------
 


On 25/08/06, Jeff Hirsch <Jeff.Hirsch at doe2.com> wrote: 

You can use the eQUEST weather processor (eQ_WthProc)
  http://doe2.com/index_Wth.html  <http://doe2.com/index_Wth.html> 
to read a EPW file and convert to DOE-2 compatible file (that
you can discard if not useful) but then you will have csv files
(orig and final - with doe-2 conversions) with the variables you
want (including headers) on the "final" csv if you uncheck the 
"clear Interim Results on Exit" checkbox on the setup tab.

Here is an example original csv partial




    DryBulbT
    DewPtT
    Sol-GlobHor
    WindSpd
    WindDir
    Sol-DirNorm 

     Month
    Day
    Hour
    F
    F
    w/m²
    mph
    degrees
    w/m²

     1
    1
    1
    18.86
    2.66
    0
    2.23
    110
    0

     1 
    1
    2
    17.6
    5
    0
    0
    0
    0

     1
    1
    3
    17.06
    3.2
    0
    0.67
    0
    0

     1
    1
    4
    16.34
     1.4
    0
    1.56
    0
    0

     1
    1
    5
    15.8
    -0.4
    0
    2.23
    360
    0



Here is the example correcponding final

           DryBulbT WetBulbT DewPtT RelHum HumRatio Sol-GlobHor Sol-DirNorm
WindSpd WindDir 
     Month Day Hour F F F % lbmw/lbma w/m2 w/m2 mph degrees
     1 1 1 18.86 15.21 2.66 44.47 0.000907 0 0 2 110
     1 1 2 17.6 14.68 5 53.33 0.001024 0 0 0 0
     1 1 3 17.06 13.99 3.2 49.9 0.000933 0 0 1 0 
     1 1 4 16.34 13.17 1.4 47.08 0.00085 0 0 2 0
     1 1 5 15.8 12.51 -0.4 44 0.000773 0 0 2 360


---
Jeff Hirsch
James J. Hirsch & Associates
Building Performance Analysis Software & Consulting 
12185 Presilla Road
Camarillo, CA 93012-9243 USA
phone: (805) 553-9000
fax: (805) 532-2401
email: Jeff.Hirsch at DOE2.com
web: http://DOE2.com  <http://DOE2.com> 


----- Original Message -----
From: "Michael J. Witte" <mjwitte at gard.com>
To: <BLDG-SIM at GARD.COM>
Cc: <BLDG-SIM at gard.com>
Sent: Friday, August 25, 2006 9:56 AM
Subject: [BLDG-SIM] [EnergyPlus_Support] Average hourly statistics for wet
bulb temperatures


My mistake!  You are correct that the epw-->csv conversion will only give
DB, 
RH, and Dew Point.  The alternate route is to run an annual simulation with
EnergyPlus using the weather file of interest, select "Outdoor Wet Bulb" as
an
hourly REPORT VARIABLE, and then use the csv output file to generate 
statistics.  One could even generate the averages with EnergyPlus by
applying
schedules to the report variable and reporting the scheduled value as
monthly
averages.

Mike


On 25 Aug 2006 at 6:20, Gerald Pde wrote: 

> Energyplus weather files do not have wet-bulb
> temperatures, do they? I had the impression they only
> have DB , RH and Dew Point. You might have to manually
> convert to wetbulb which might be quite an exercise. 
> Is there a simpler way of computing the data below?
>
> Thanks
> Gerald
>
> --- "Michael J. Witte" <mjwitte at gard.com> wrote:
>
> > If you are looking for long-term averages, you can
> > download the EnergyPlus IWEC
> > file for Brisbane (www.energyplus.gov --> Weather
> > Data) and use the EnergyPlus 
> > weather converter to convert it from epw format to a
> > csv file which includes
> > column headings and can be opened in a spreadsheet
> > program.  Then you can
> > compute the averages from there. 
> >
> > Mike
> >
> >
> > On 24 Aug 2006 at 17:55, Ashfaque Ahmed Chowdhury
> > wrote:
> >
> > > Hello All,
> > >
> > > I require average hourly statistics (Jan-Dec) for 
> > wet bulb temperatures (°C
> > > or °F) of Brisbane, Australia. I tried to find
> > using Bureau of Meteorology,
> > > Australia website.But can't find any suitable
> > data. Can anyone give me any 
> > > link to find it out?
> > >
> > > Thanks in advanced.
> > >
> > >
> > >
> > > --Ashfaque
> > >
> > > CQU, Australia 
> > >
> > > --
> > >
> >
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> ========================================================
> > Michael J. Witte, GARD Analytics, Inc. 
> > EnergyPlus Testing and Support
> > EnergyPlus-Support at gard.com
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