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[EnergyPlus_Support] Re: Help a student for an HVAC modelling on E+
Thank you both !
I will try to identify exactly which kind of system we have here.
So :
- constant flow or VAV : I need to ask
- Cooling and heating coils : ok
- location of the units and terminal : I need to ask
But I think I need to know the input and output in view to a better understood of the system.
Water flow, cold or warm water, fan speed (if VAV system) ...
thank you !
--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, Marcus <jones.0bj3@...> wrote:
>
> Hi Xavier,
>
> I agree with Pedro in that some engineering knowledge of the terminology and
> applications in HVAC systems is the first step. I don't know about you, but
> this applied tacit knowledge is something that I did not receive from my
> university education (unless one takes special courses in HVAC). As was
> recommended, check within your faculty, and it might even be useful to ask
> the campus building facilities manager. There are also references you can
> get from the library like the "Handbook of Air Conditioning and
> Refrigeration" or "2008 *ASHRAE Handbook?HVAC Systems and Equipment* ". Once
> you have properly classified your equipment, take a look at the EnergyPlus
> documentation and see if you can match the simulation models to your
> description, hopefully you will have HVAC Template Objects that you can use.
>
>
> Cheers,
>
> Marcus
> --
> Marcus Jones, M.Sc., LEED®AP BD+C
> *Freelance energy consultant*
> *Vienna, Austria*
>
>
> On Fri, Sep 23, 2011 at 12:36 PM, Pedro Peixeiro <ppeixeiro@...> wrote:
>
> > **
> >
> >
> > Hi Xavier.
> >
> > Well, what you ask for can't be any more vague than that. What you have in
> > that link is just the specifications of what a particular AHU can do. What
> > you need to know is what kind of HVAC system you want for your building. is
> > it a constant volume flow or a VAV system; will the AHU need cooling/heating
> > coils; will it have only the roof top unit serving the rooms or will it need
> > terminal units, and if so what kind of terminal units, and so on... This is
> > a pre-simulation work, so it has nothing to do with Eplus yet. After you
> > have decided what you exactly want in your building HVAC system, then you
> > can start thinking about simulation. If you're not familiar with HVAC
> > systems, i suggest you ask for help at your university.
> >
> > Pedro.
> >
> >
> > On 23-09-2011 7:29, xav31sob wrote:
> >
> >
> >
> > Hey,
> > I'm new, so a little presentation. My Name is Xavier, I'm a french student
> > in mechanical and automation engineering. I'm doing an intern ship in one of
> > the KTH university laboratories (Stockholm).
> >
> > I need to make a building simulation with energy plus, but my problem is
> > with the HVAC modelling.
> >
> > I can't find it in the E+ templates, so I'm asking if one of you had an
> > idea.
> >
> > The HVAC : http://www.ivprodukt.se/pages/page.aspx?pageid=1003
> >
> > Please help me, help a new young E+ User ^^
> >
> > Thx
> > Xavier
> >
> >
> >
> >
>
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