[Bldg-sim] Food for thought....
RobertWichert
robert at wichert.org
Thu Jun 28 10:44:01 PDT 2012
EnergyPro can "normalize" the "predicted" results using historical
weather data. It seems to work.
Robert Wichert P.Eng. LEED AP BD&C
+1 916 966 9060
FAX +1 916 966 9068
===============================================
On 6/28/2012 9:43 AM, Arpan Bakshi wrote:
>
> I would contact Zheng O'Neill. She was commissioned to do a similar
> study for the Dept. of Defense as part of her work at United
> Technologies, which she presented at IBPSA New York.
>
> http://www.aeeny.org/presentations/Feb12_NYC_AEE_Building_Modeling_Calibration.pdf
>
>
>
>
> _________________________________________
>
> *Arpan Bakshi *Sustainability Manager
> LEED AP BD+C, ESTIDAMA PQP
>
> *YR&G*
> sustainability consulting, education and analysis
> 217 Grand Street No. 802 New York NY 10013
> D 646.704.2880
>
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>
>
>
> On Thu, Jun 28, 2012 at 11:49 AM, Jim Dirkes
> <jim at buildingperformanceteam.com
> <mailto:jim at buildingperformanceteam.com>> wrote:
>
> Dear Forums,
>
> I am busy preparing a short talk for the Fall ASHRAE Energy
> Modeling Conference. The topic is "An Approach for Calibrating
> Existing Building Energy Models to their Utility Consumption".
>
> As part of the preparation, I will address the issue of how much
> difference might result in energy conservation measure savings
> predictions if you use _actual_ weather data for the billing
> period versus _TMY_ data.
>
> To get a rough idea how much variation there might be, I looked
> at Degree Days for a span of years. What a variation! (for the
> city I'm studying at least)
>
> I am not yet sure how that affects total energy consumption --
> you'll have to attend my presentation in Atlanta to find out J.
>
> In the meantime, I am starting to think that existing building
> energy models should use _actual_ weather, not TMY data. Have any
> of you run similar comparisons for existing building models?
>
>
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