[Equest-users] Sample Ice Rink File

[Karen Walkerman]

I have had similar problems with dehumidification.

Regarding brine temps, I adjusted my chiller curves by 5F to reflect
eQuest's limitations regarding loop temperatures.

--
Karen

On Wed, Jan 5, 2011 at 4:42 PM, Keith Swartz <kswartz at ecw.org> wrote:

> Justin,
>
>
>
> I recently started modeling an ice rink in eQUEST and ran into some other
> limitations you might want to consider. The coldest brine temperature I was
> allowed to enter was 20F. For hockey the ice needs to be around 22F and 20F
> glycol just isn’t cold enough; around 15F is more typical. The program will
> probably calculate the building loads fine, but the brine flow and pump
> energy will be off. Does anyone know a way around this?
>
>
>
> eQUEST also cannot model some of the dehumidification options that we are
> considering. I ended up doing spreadsheet calculations for most of the
> proposed upgrades and am working with a vendor who has done many ice rink
> retrofits and developed a spreadsheet to evaluate the dehumidification
> options (as well as some measures I had in my spreadsheet).
>
>
>
> ________________________________
>
> Keith Swartz, P.E., LEED AP
>
>
> Energy Engineer / Senior Project Manager
> *Energy Center of Wisconsin
> *455 Science Drive, Suite 200, Madison, WI 53711
> Phone: 608.238.8276 x123
> Fax: 608.238.0523
>
> *The Buildings Team*
>
> *Design decisions through energy, economics and emissions analysis.*
>
> www.ecw.org/Buildings
>
>
> *Energy Center University
> **Your gateway to sustainable design training and online education
> programs.
> *www.ecw.org/university/
>
> *From:* Justin Elkin [mailto:jelkin at mreng.ca]
> *Sent:* Tuesday, January 04, 2011 2:45 PM
> *To:* eQUEST Forum
> *Subject:* [Equest-users] Sample Ice Rink File
>
>
>
> I’m new to energy modeling with eQUEST and am trying to build a model for a
> community center consisting of a library, a pool and an ice rink. We are
> hoping that we can use rejected heat from the ice plant in the rest of the
> building.  I’ve begun entering the ice plant data into the program; however,
> when describing the brine loop we are running into a bit of trouble.
>
>
>
> 1)         We expect the brine pump head to be 60ft. We tried to input this
> value but eQUEST only allows a brine head value that is =/< 40ft. Have
> others encountered this same problem?
>
>
>
> 2)        We are having trouble attaching a chiller/heat pump to the brine
> loop. Ideally we’d like to have the brine loop run off some water-to-water
> heat pumps that supply the hot water loop but we haven’t figured out how to
> go about this
>
>
>
> I’ve heard of a sample ice rink file around, does anyone know how I can get
> this?  It may help solve these and other issues.  I have attached the .pd2
> and .inp files.  Any help is appreciated, thank you;
>
>
>
> Justin
>
>
>
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