Re: [EnergyPlus_Support] Re: Zone Exhaust and Return Fan

[Linda Lawrie <linda@xxxxxxxxxxxxxx>]

That's a diffrent proposition (of course, html is a
summary).

Can you send your input file to the helpdesk, in case we haven't
corrected this yet?  (for next release).

At 10:37 AM 5/1/2012, thimmannaharshana wrote:
> Thanks for your response and
> sorry I didn't read your question correctly.
>
> Exhaust fans are modeled as zone equipment fans similar to the ones in
> example file. When I looked at the hourly results, it make sense.The
> return flow from the zone is equal to the supply flow minus the exhaust
> flow and the same is true at the system level. However, the html report
> shows the same flow for both supply and return fans.
>
>
>
> --- In EnergyPlus_Support@xxxxxxxxxxxxxxx, Vinay Devanathan
> <vinay.devanathan@...> wrote:
> >
> > How have you modeled the exhaust fan?
> > 
> > On Tue, May 1, 2012 at 10:45 AM, thimmannaharshana <
> > thimmannaharshana@...> wrote:
> > 
> > > **
> > >
> > >
> > > Hi all,
> > >
> > > I have modeled supply, return and exhaust fans for a system.
> when I look
> > > at the results, the amount of airflow is same for both supply
> and return
> > > fan. Energy plus is not accounting for the amount of exhaust
> flow while
> > > calculating the return flow. The exhaust fan flow rate is
> reported
> > > separately.
> > >
> > > Supply fan -6500 cfm
> > > Return Fan -6500 cfm
> > > Exhaust fan -550 cfm
> > >
> > > I am using energyplus for LEED submission and i guess this is a
> problem.
> > >
> > > Does any one know how to solve this and get the correct return
> airflow?
> > >
> > > Thanks in advance,
> > > Harshana
> > >
> > >  
> > >
> > 
> > 
> > 
> > -- 
> > Vinay Dev
> >
>
>
>
>
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