[Equest-users] Pump/Dump Chillers

[Julien Marrec]

Tom,

To avoid future disagreement in the future and help streamline your
workflow, I recommend you look into revision control. It's a trick from the
IT world, and it's absolutely wonderful. No more saving over files, or
having to rename them and create backups. You get a clear history of your
changes (and since the .inp file is a text file you get to directly see
what you have deleted and added from one commit to another), and you can
revert to any commit (saving checkpoints if you want) you've created.

Maybe you can start by reading this post
<https://unmethours.com/question/38/revision-control-for-text-based-modeling-programs/>
I created on UH.
I personally use SourceTree as a git client but GitHub for Windows is nice
as well (simpler, but more limited), and I have some free private Bitbucket
repositories for collaboration with my team (when doing QA/QC works for
example), and it works really nicely. It does require a little bit of
getting used to it though, but you should pick it up quickly. Don't
hesitate to drop me a line if you have specific issues.

Otherwise there is still the possibility of using something simple such as
dropbox or box, that keep a history of files for you, but you won't get
nearly the same flexibility and clarity.


Cheers,
Julien

PS: That's a clear opportunity! I guess you won't much trouble saving your
client some water (and likely some money too depending on your
utility/water costs in your region) by replacing this archaic once-through
cooling system (single-pass cooling). Makes me think of some district steam
buildings (NYC...) where there is no heat recovery at all and condensate is
cooled with lots of potable city water before discharge to the drain. Yummy.


--
Julien Marrec, EBCP, BPI MFBA
Energy&Sustainability Engineer
T: +33 6 95 14 42 13

LinkedIn (en) : www.linkedin.com/in/julienmarrec
LinkedIn (fr) : www.linkedin.com/in/julienmarrec/fr
<http://www.linkedin.com/in/julienmarrec>

2015-01-07 18:40 GMT+01:00 Tom Mickley <tmickley at thekcompany.com>:

> Two questions…
>
>
>
> 1)      Is there a way to model a pump and dump chiller in eQuest version
> 3.64?  The chiller I am trying to model rejects the condenser water heat by
> pumping city water through the barrel and dumping back into the sewer
> afterwards.  I’m pretty sure this chiller is from the Mesozoic era.
>
>
>
>
>
> 2)      I was trying to be on the safe side and make a backup copy of a
> model.  However, I accidentally saved over the wrong file and lost a lot of
> work.  Is there a way to revert back in time in eQuest to bring back a
> previous model?  Something tells me I might be up a creek on this one.
>
>
>
>
>
> Thank you all in advance.
>
>
>
>
>
>
>
> Thanks,
>
>
>
> Tom Mickley
>
> Mechanical Engineer CEM
>
> The K Company
>
> Cell 330-760-3994
>
> Office 330-773-5125
>
>
>
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