[Bldg-sim] Chiller Improvement Evaluation

[Sebastian Carrizo]

My biggest problem right now is how to develop an hourly cooling load
profile from one-a-day measurements taken in the field. Is there any
standard/general daily cooling profiles that I could use?

Thanks,
Sebastian


On Tue, Feb 11, 2014 at 9:47 AM, RobertWichert <robert at wichert.org> wrote:

>  Dear Sebastian,
>
> I start with kW/ton ratings at AHRI conditions from the manufacturer.
> Those are good inputs into the software.  I use Energy Pro, but I believe
> most software can take that as input.
>
> It is theoretically possible to estimate performance with evaporative
> pre-coolers if you have reliable effectiveness and chiller data.
>
> Most programs will allow VFD or multi-speed pumps as well.
>
>
> Robert Wichert
>
>
>
>
> =================================================
>
>
>
> On 2/10/2014 1:56 PM, Sebastian Carrizo wrote:
>
> Hi all,
>
>  I'm trying to assess possible energy savings from improving different
> areas of a chiller plant (cooling towers, adding free cooling, VFDs,
> controls). Currently all the information I have is a snapshot of the
> chiller plant performance at 2pm every day of the summer.
>
>  Is there a simple way to evaluate kWh saved? If modelling is the best
> option which software is the best for this kind of analysis?
>
>  Thanks for any help,
> Sebastian
>
>  --
>
> *Juan Sebastian Carrizo*
> M.Eng Sustainable Energy | B.Eng Industrial Engineering
>
> (c) 647-225-2243 | juan.carrizo at alumni.carleton.ca
>
>
>
>
>
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>
> --
> Robert P Wichert P.Eng. Inc.
> LEED AP, HERS II, CEA+1 916 966 9060
> FAX +1 916 966 9068
>
>
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-- 

*Juan Sebastian Carrizo*
M.Eng Sustainable Energy | B.Eng Industrial Engineering

(c) 647-225-2243 | juan.carrizo at alumni.carleton.ca
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