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[EnergyPlus_Support] Re: GBR_Ebbw.Vale.Wales_MN6 weather file does not contain SizingPeriod:DesignDay
Dear Dr Li,
Thank you very much for your help.
Kind regards
Fernando
--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, YuanLu Li <yli006@...> wrote:
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> From the MN6 weather file the .ddy has the following:- Site:Location, Ebbw Vale_Wales_GBR Design_Conditions, !- Location Name 51.78, !- Latitude {N+ S-} -3.21, !- Longitude {W- E+} 0.00, !- Time Zone Relative to GMT {GMT+/-} 298.00; !- Elevation {m}
> ------------------------------------The following is from the .stat file:- Statistics for GBR_Ebbw.Vale.Wales_MN6 Location -- Ebbw Vale Wales GBR {N 51° 46'} {W 3° 12'} {GMT +0.0 Hours} Elevation -- 298m above sea level Standard Pressure at Elevation -- 97796Pa Data Source -- MN6 ------------------- Design Stat Coldest Month HDB 99.6% HDB 99% Units {} {C} {C} Heating 1 -5.5 -4.8
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> Design Stat Hottest Month CDB .4% CDB 1% CDB 2% CDP .4% CDP 1% CDP 2% Units {} {C} {C} {C} {C} {C} {C} Cooling 8 22.3 21.8 20.9 18.6 17.6 16.6
> ------------------From the next table, the corresponding minimum temperature is 5.0°C for August and 5.4°C for July. The maximum for July is 22.1°C. 22.3 and 5.4 combination is warmer.Therefore use 22.3 and 16.9 is as the max and difference in the DesignDay Data. Dew points for the two months are: 18.5 and 18.8. (WetBulb) Barometer reading: 97796.============================ Site:Location, Ebbw Vale_Wales_GBR HDB 99.6% , !- Name
> ===================The indented lines have been changed using the above data. --------------- SizingPeriod:DesignDay, Ebbw Vale_Wales_GBR Annual Cooling 0.4% Design Conditions , !- Name 22.3, !- Maximum Dry-Bulb Temperature {C} 16.9, !- Daily Temperature Range {deltaC} 18.5, !- Humidity Indicating Conditions at Maximum Dry-Bulb 97796., !- Barometric Pressure {Pa} 3.0, !- Wind Speed {m/s} 200, !- Wind Direction {deg} 1.0, !- Sky Clearness 0, !- Rain Indicator 0, !- Snow Indicator 21, !- Day of Month 7, !- Month SummerDesignDay, !- Day Type 0, !- Daylight Saving Time Indicator WetBulb; !- Humidity Indicating Type
> ======================== You can copy any other DesignDay object for Winter and modify using the heating data from the .stat file. -5.5, 0, -5.5 and 0.0 for the sky clearness (no sun)
> Hope this will help.
> TMY data exclude the extreme cases. You can use the sizing multiplying factor to increase or decrease the autosized equipment. Dr. Li
> To: EnergyPlus_Support@xxxxxxxxxxxxxxx
> From: motabmx1@...
> Date: Fri, 14 Oct 2011 07:27:03 -0700
> Subject: Re: [EnergyPlus_Support] GBR_Ebbw.Vale.Wales_MN6 weather file does not contain SizingPeriod:DesignDay
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> Dear Mr. Crawley,
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> Thanks for your quick replay. I have attached the map that you forwarded to me with same weather files that may be closer enough to the ebbw vale file. I wonder if as you mentioned in your previous e-mail, I could get them from you.
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> Many thanks
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> Fernando
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> From: Dru Crawley <dbcrawley@...>
> To: EnergyPlus_Support@xxxxxxxxxxxxxxx
> Sent: Wednesday, October 12, 2011 11:36 PM
> Subject: Re: [EnergyPlus_Support] GBR_Ebbw.Vale.Wales_MN6 weather file does not contain SizingPeriod:DesignDay
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> Unless there was design data available in the ASHRAE Handbook, the Meteonorm files that we created do not have the design day objects. Suggest finding a nearby location with similar climate and elevation and use the data from there.
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> My knowledge of Wales topography and geography is poor -- if one of the pins on the attached map look close, let me know and I'll send you the data.
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> On Wed, Oct 12, 2011 at 6:17 PM, motabmx1 <motabmx1@...> wrote:
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> Dear all,
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> I wonder if you can help me in the foolowing matter.
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> I download from this page the file GBR_Ebbw.Vale.Wales_MN6 which I am using in a project I am working at the moment. The problem is that this weather file does not contain any object in the section SizingPeriod:DesignDay which I think I need for sizing my HVAC, Does anyone have a file for this location with the design day objects?
>
> thanks
>
> fernando
>
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