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[EnergyPlus_Support] Re: Is there any documentation for the examples in E+?
Linda,
Thanks for your helpful reply. As you said, the purpose of the
examples is to "highlight a particular feature", I'm wondering
whether there are examples for integrated building and system
simulation available? Even the system is simple.
Xiaobing
--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, Linda Lawrie <linda@l...>
wrote:
> At 04:47 PM 1/7/2005, xiaobing liu wrote:
> >I'm wondering whether there is any documentation for the examples
provided
> >in the package of E+? I have a quick look in the contents of the
package
> >and examples, but I cannot find any explanation or documentation
for the
> >examples. Maybe I miss it somewhere? Any clue or suggestion is
appreciated.
> >
>
> Basic documentation should be in comments at the start of each
> file. Unfortunately, some are better than others. We are working
on a
> spreadsheet that will be distributed with the release, but only
have some
> of the files represented in there.
>
> Some of the files are very good (ref: 3zvent following):
> ! 3-zone building with natural ventilation modeled by
COMIS/EnergyPlus
> link. 3zvent.idf.
> !
> ! See plan view of building, below, for location of air-flow
openings
> and cracks.
> !
> ! Natural ventilation takes places through openable exterior
windows in
> WEST_ZONE and NORTH_ZONE
> ! and an openable interior door between WEST_ZONE and
NORTH_ZONE. The
> ventilation is temperature
> ! controlled. Window1 in WEST_ZONE and DoorInSurface_3
(defined in
> WEST_ZONE) are opened when
> ! (1) the previous time step air temperature in WEST_ZONE is
greater
> than the ventilation setpoint
> ! schedule value (a fixed value of 21.1C in this run) and (2)
the
> previous time step air temperature
> ! in WEST_ZONE is greater than the outside air temperature.
Similarly,
> Window2 in NORTH_ZONE is
> ! opened when (1) the previous time step air temperature in
NORTH_ZONE
> is greater than the
> ! ventilation setpoint schedule value and the previous time
step air
> temperature in NORTH_ZONE is
> ! greater than the outside air temperature.
> !
> ! Controls to modulate the ventilation openings are applied to
the
> WEST_ZONE but not the NORTH_ZONE
> ! (see the COMIS ZONE DATA inputs for these zones).
> !
> ! The EAST_ZONE has no natural ventilation (Ventilation
Control Mode =
> NoVent in the COMIS ZONE DATA
> ! input for this zone).
> !
> ! In addition to natural ventilation in two of the zones,
there are
> cracks in all exterior and
> ! interior walls. Cracks in the exterior walls allow
infiltration of
> outside air into the zones.
> ! The interior doorway and cracks in the interior walls allow
> cross-mixing of air between zones
> ! (i.e., interzone air flow). There are no cracks in the roof
surfaces.
> !
> !
> ! * External Node NFacade
> !
> ! Window2 Crack
> ! *********[ ]***//****************
> ! | |
> ! | |
> ! | |
> ! / Crack / Crack
> ! / NORTH_ZONE /
> ! | |
> ! | |
> ! * External | DoorInSurface_3 Crack |
> ! Node *****//**] [**********//********//****** *
External
> Node EFacade
> ! WFacade | Crack | Crack |
> ! | | |
> ! | | |
> ! / Crack / Crack / Crack
> ! / / /
> ! | | |
> ! | WEST_ZONE | EAST_ZONE |
> ! | | |
> ! | | |
> ! **//*[ ]************//***********
> ! Window1 Crack
> !
> ! * External Node SFacade
> !
> ! Plan view of 3-zone building showing location of
openable
> ! windows ([ ]), openable door (] [) and cracks (//).
> ! Not to scale.
>
> But most do not have this level of detail.
>
> All of the examples are there for a purpose -- mostly to highlight
a
> particular feature. We try to make it clear from the name of the
file, if
> not the internal documentation.
>
> For example:
> PurchAir -- represents a basic "purchase air" (i.e.
heating/cooling loads)
> example.
> PurchAirAutoSize -- is similar with autosizing
> PurchAirWithDoubleFacadeDaylighting - highlights Double Facade
Daylighting
> capability.
>
>
> Linda
>
> EnergyPlus WebSite: http://www.energyplus.gov
> Owner: EnergyPlus_Support list
> Member: EnergyPlus Development Team
>
>
>
> [Non-text portions of this message have been removed]
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