[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[EnergyPlus_Support] Re: Sudden temperature drops and ups



Hi Jeremiah,

I am modelling 2 buildings that serve as warehouse. I doing it for my final year project. Do you mind if I send you the temperature profile figure? So you can see clearly what I mean.

Regards,

Malindo
Final year student
Singapore

--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, CleanTech Analytics <jeremiah@...> wrote:
>
> For modeling a specific year ou should be using actual meteorological year
> (AMY) for that year such as you might find from weather underground or a
> local weather service that you process into .EPW format
> not typical meteorological year data available on the EPW site. This
> is because TMY data is meant to provide averages, but not many years
> weather are actually average..
> A low cost high quality solution may be to buy a file from a company called
> weather analytics..
> 
> 
> May I ask what you are modeling?
> 
> *Jeremiah D. Crossett*
> *CleanTech Analytics*
> *503-688-8951*
> *www.cleantechanalytics.com* <http://www.cleantechanalytics.com>
> 
> 
> *
> 
> This document may contain valuable information proprietary to CleanTech
> Analytics which is private and confidential. It may not be shared, copied,
> stored or transmitted in any form without the prior written consent of
> CleanTech Analytics
> *
> 
> 
> 
> On Sun, Apr 1, 2012 at 3:20 AM, Ooi <ooi_kb3@...> wrote:
> 
> > **
> >
> >
> > The sudden ups and downs are most probably due to rain, if in your
> > SimulationControl object, the 'Run Simulation for Weather File periods' has
> > been set to Yes, Check and see if rain is indicated in the weather file, at
> > the sudden 'downs'
> >
> > The 'downs' can also occur if in the SimulationControl object, the 'Run
> > Simulation for Sizing periods' has been set to Yes, and the Rain Indicator
> > field has been set to 1.
> >
> > ooi
> >
> > --- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "malindow" <fypguevibyor@>
> > wrote:
> > >
> > > Dear all,
> > >
> > > I make a building model (simple box). I run a simulation and got roof
> > temperature profile during 1 week period. There are a lot of sudden ups and
> > downs (like zig-zag) in the temperature profile.
> > >
> > > Anyone has suggestion how I can get a smoother temperature profile?
> > > I have tried a lot of things but I still can't get it.
> > >
> > > Thanks in advance.
> > >
> > > Regards,
> > >
> > > Malindo
> > > Mech. Engineering student
> > > Singapore
> > >
> >
> >  
> >
>




------------------------------------

Primary EnergyPlus support is found at:
http://energyplus.helpserve.com or send a message to energyplus-support@xxxxxxxx

The primary EnergyPlus web site is found at:
http://www.energyplus.gov

The group web site is:
http://groups.yahoo.com/group/EnergyPlus_Support/

Attachments are currently allowed but be mindful that not everyone has a high speed connection.  Limit attachments to small files.

EnergyPlus Documentation is searchable.  Open EPlusMainMenu.pdf under the Documentation link and press the "search" button.
Yahoo! Groups Links

<*> To visit your group on the web, go to:
    http://groups.yahoo.com/group/EnergyPlus_Support/

<*> Your email settings:
    Individual Email | Traditional

<*> To change settings online go to:
    http://groups.yahoo.com/group/EnergyPlus_Support/join
    (Yahoo! ID required)

<*> To change settings via email:
    EnergyPlus_Support-digest@xxxxxxxxxxxxxxx 
    EnergyPlus_Support-fullfeatured@xxxxxxxxxxxxxxx

<*> To unsubscribe from this group, send an email to:
    EnergyPlus_Support-unsubscribe@xxxxxxxxxxxxxxx

<*> Your use of Yahoo! Groups is subject to:
    http://docs.yahoo.com/info/terms/