[Equest-users] Curve Fit

[Carol Gardner]

Kevin,

Here are a couple of documents with some specifics about curve fits that 
I received today at the eQUEST training here in Berkeley. In additions 
to this I recommend that you scan all of the documentation and training 
manuals on the doe2.com web site. I did and had 22 hits which I am not 
attaching because I accidentally closed the results screen.

Carol Gardner

Kevin Kyte wrote:
>
> OK, sounds great, so then INDEPENDENT-1 will be constant temp through 
> all data points or vary slightly with supply temp? Something of such 
> nature?
>
> *From:* Doug Maddox [mailto:DougM at TWGI.com]
> *Sent:* Tuesday, July 29, 2008 1:22 PM
> *To:* Kevin Kyte; equest-users at lists.onebuilding.org
> *Subject:* RE: [Equest-users] Curve Fit
>
> It looks like these curves are based on return and supply temperature. 
> I’ve read in the DOE2.2 help file that the HIR-FT curve should be 
> based on supply temperature and boiler room ambient temperature.
>
> Doug Maddox
>
> The Weidt Group
>
> ------------------------------------------------------------------------
>
> *From:* equest-users-bounces at lists.onebuilding.org 
> [mailto:equest-users-bounces at lists.onebuilding.org] *On Behalf Of 
> *Kevin Kyte
> *Sent:* Tuesday, July 29, 2008 10:49 AM
> *To:* 'Mike Karpman'; 'Patrick Darby'; equest-users at lists.onebuilding.org
> *Subject:* Re: [Equest-users] Curve Fit
>
> Here are a couple that worked out for me. Please check them for 
> accuracy, I have noticed some nice lovely savings with the curves. We 
> might as well have an industry standard database where people can get 
> schedules, materials, part load curves, and many other inputs that are 
> frequently used in bldg-sim. I think it may be nice to have a site to 
> upload such knowledge instead of every single person creating their 
> own custom spreadsheets. Food for thought.
>
> "Aerco-BMK-3.0 GWB" = CURVE-FIT
>
> TYPE = BI-QUADRATIC-T
>
> INPUT-TYPE = DATA
>
> INDEPENDENT-1 = ( 80, 80, 100, 100, 120, 120, 140, 140, 160 )
>
> INDEPENDENT-2 = ( 100, 120, 120, 140, 140, 160, 160, 180, 180 )
>
> DEPENDENT = ( 1.024, 1.041, 1.057, 1.067, 1.099, 1.112, 1.136,
>
> 1.14,
>
> 1.145 )
>
> ..
>
> "Aerco-MLX" = CURVE-FIT
>
> TYPE = BI-QUADRATIC-T
>
> INPUT-TYPE = DATA
>
> INDEPENDENT-1 = ( 80, 80, 100, 100, 120, 120, 140, 140, 160 )
>
> INDEPENDENT-2 = ( 100, 120, 120, 140, 140, 160, 160, 180, 180 )
>
> DEPENDENT = ( 1.03, 1.078, 1.058, 1.109, 1.101, 1.134, 1.136,
>
> 1.143,
>
> 1.149 )
>
> ..
>
> Kevin Kyte, EIT, LEED AP
>
> RobsonWoese, Inc.
>
> (T) 716-636-1800 x211
>
> (F) 716-636-1856
>
> http://robsonwoese.com <http://robsonwoese.com/index.php>
>
> *From:* equest-users-bounces at lists.onebuilding.org 
> [mailto:equest-users-bounces at lists.onebuilding.org] *On Behalf Of 
> *Mike Karpman
> *Sent:* Tuesday, July 29, 2008 10:40 AM
> *To:* 'Patrick Darby'; equest-users at lists.onebuilding.org
> *Subject:* Re: [Equest-users] Curve Fit
>
> I created the same error message a while back and was never able to 
> fix it, has anyone figured this out?
>
> Thanks,
>
> Mike Karpman
>
> *From:* equest-users-bounces at lists.onebuilding.org 
> [mailto:equest-users-bounces at lists.onebuilding.org] *On Behalf Of 
> *Patrick Darby
> *Sent:* Monday, July 28, 2008 4:31 PM
> *To:* equest-users at lists.onebuilding.org
> *Subject:* [Equest-users] Curve Fit
>
> Hello,
>
> I somehow created this error message and don't know how to get rid of 
> it, can anyone help?
>
> Curve Fit
>
> unknown/invalid component name
>
> &D was referenced on line 5228 but never defined
>
> There is no error managing window, and this error appeared after I 
> modified the Heat Input ratio performance curve for a Boiler.
>
> Thank you,
>
> */Patrick Darby/*/, BScE/
>
> Mechanical Engineering Services
>
> *The Walter Fedy Partnership** *
>
> Phone: 519-576-2150 x271
> Fax: 519-576-5499
> Web: www.twfp.com <http://www.twfp.com/>
>
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> ------------------------------------------------------------------------
>
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