[Bldg-sim] Generation of TMY3

[Joe Huang]

It's useful to distinguish between TMY2  as a data set and as a data format. The selection procedure is basically the same between TMY, TMY2, and TMY3, with some changes in the weighting of parameters. This procedure has become adopted by virtually all other (US at least) efforts, including ASHRAE, CEC, etc.   

The format, however, has evolved, w/ TMY3 choosing a CSV format that's easier to import to a spreadsheet program. I don't see any benefit to staying w/ the TMY2 fixed field format. 

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Joe Huang
White Box Technologies
346 Rheem Blvd Suite 108D
Moraga CA 94556
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yjhuang at whiteboxtechnologies.com

On Jun 2, 2011, at 2:04 PM, Varkie C Thomas <thomasv at iit.edu> wrote:

> I was looking for this information.  EPW format is convenient for writing short programs.  Attached is the summary of the file contents.  I have also included it in the website - http://bepan.info/weather Varkie
> <0-Typical Meteorological Year (TMY).docx>
> Well at the risk of referring you to the published work, the user’s manual describes the methodology quite thoroughly as well as what all of the fields are. I would think it would be a good starting point to developing your “own TMY2” datasets:
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> http://rredc.nrel.gov/solar/pubs/tmy2/
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> If you are looking for someone to summarize that work, I am sure there are consultants on this list that could undertake that effort at an hourly rate.
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> From: bldg-sim-bounces at lists.onebuilding.org [mailto:bldg-sim-bounces at lists.onebuilding.org] On Behalf Of Mohamad fahmy
> Sent: Thursday, June 02, 2011 1:53 PM
> To: bldg-sim at lists.onebuilding.org
> Subject: [Bldg-sim] Generation of TMY3
> 
>  
> 
> 
> 
>  
> Dear All
>  
> Could any one list the executive steps of generating a TMY2 file rather than referring me to any of the related published works, i would appreciate it very much.
> 
> 
> 
> Kind regards,
> Dr. Mohammad Fahmy
> PhD, MSc, BSc, RIBA affiliate
> Lecturer of Passive Design & Built Environment 
> Department of Architecture
> Military Technical Collage
> Cairo, Egypt
> mido_fahmy2007 at hotmail.com
> www.mtc.edu.eg
> 
> 
> 
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