[esp-r] release of ESP-r version 11.11

[Ian Beausoleil-Morrison]

ESP-r users and developers,

 

Version 11.11 of the ESP-r system is now available.  A summary of the
changes and new features included in this release is given at the bottom of
this e-mail.

 

The source code may be accessed via the ESP-r Central Subversion repository.
To do this, you must first install a Subversion client on your system.  Free
clients are available at http://subversion.tigris.org/getting.html.

 

Once you have installed the Subversion client you can download the source
code for version 11.11 of ESP-r anonymously using the following command:

      svn checkout https://espr.svn.cvsdude.com/esp-r/trunk

 

If you already downloaded the source code of a previous version with the
above command, then you do not have to do a full download of version 11.11.
Rather, you can update the source code by executing the following command
from your "trunk" directory:

      svn update

 

(ESP-r developers who wish to make source code contributions to ESP-r should
contact Bart Lomanowski at Bartosz.Lomanowski at nrcan.gc.ca who can configure
an account for you on ESP-r Central.  Further information on ESP-r Central
for developers is available at
http://www.esru.strath.ac.uk/Programs/ESP-r_central.htm.)

 

ESP-r source code is available exclusively through ESP-r Central.  However,
you can obtain pre-compiled versions for specific operating environments on
ESRU's web site.  These pre-compiled versions will be made available shortly
following a source code release and will be announced to this e-mail list.

 

Regards,

 

Ian Beausoleil-Morrison

ESP-r Archivist on behalf of the ESP-r development team

 

Carleton University

Ottawa, Canada

 

 

Release Notes

11.11 (June 2011)

=================

 

Simulation capabilities

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

- Capabilities have been added to allow the three supported infiltration
methods

  (scheduled infiltration through .opr files, AIM-2, and air flow network)
to be

  used in concert during a simulation.  Control capabilities have been added
to

  allow the switching between methods based upon a sensed temperature.  For

  example, a user might use the AIM-2 model to characterize infiltration
when a

  zone temperature drops below 20oC (and windows are assumed to close), and
the

  airflow network at higher temperatures.

- The existing facility for modelling lead-acid and VRB batteries within the

  electric power domain has been extended to consider lithium-ion batteries.

  These new modelling capabilities are described in Neil Saldanha's M.A.Sc.
thesis,

  which is available at the following link:

    http://sbes.mae.carleton.ca/documents/Neil Saldanha - MASc Thesis
(2010).pdf

- Some minor bugs were identified in the existing battery models and repairs

  were effected.

- Building-side features can now be used to explicitly model systems.  This
is

  achieved by allowing zones to be filled with fluids other than air (this
affects

  solar absorption) and connected to flow networks established to represent
any

  fluid type.  This enables, for example, the explicit modelling of water
solar

  collectors and water-cooled windows.

- Some of the computational overhead associated with XML/CSV reporting has
been

  reduced.  This results in about a 35-40% reduction in simulation run-time
with

  when this facility is active.  This has no affect on run-time when the
XML/CSV

  facility is not invoked.

- A long-standing bug in the thermally activated cooling plant component

  model has been repaired.  With this, the dependency of the chiller's COP

  to the condenser air temperature was incorrectly calculated.  This

  change affects simulation results for all models incorporating this plant

  component, but only for cases with non-constant COP.

- Support has been added for defining certain advanced simulation 

  options in the .cfg file. Previously only accessible in a password-

  protected menu, these presets can now be defined statically and 

  invoked in silent-running mode.  Currently two presets are supported:

  solar processing and building solution implicitness. They are set 

  as follows:

    *sim-toggle bld-soln-implicitness   1.0000

    *sim-toggle bld-solar-processing    enabled

 

 

Project Manager

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

- The file browsing facilities for editing BASESIMP descriptions has been
improved.

- Optical data from Window 6.2 can now be imported.

- Optical data from TNO's WIS application can now be imported.

- The facility that archives model files to a 'tar' file has been updated.

- The facility that exports an ESP-r model to an EnergyPlus IDF file now
generates

  the V3 format.  The EnergyPlus conventions for parent and child surfaces
are now

  correctly supported.  Parent and child surface relationships are also now
supported

  in the Project Manager.

- The error messaging related to scanning plant network files has been
improved.

- By default, plant network files are now written in the verbose format.

- The QA reporting has been improved for plant network controls.

- The interface and file handling for internal surface convective
coefficients has

  been improved.

- The model contents report for integrated performance views has been
updated to

  cope with local climate files.  With this change, warnings about zero
dates are

  no longer given.

- The interface that allows all the unreferenced vertices in a zone to be
removed

  via one command has been updated.  This is useful for tidying zones with
complex

  geometries.

- Support has been added to the Project Manager to allow it to read and

  write .cfg files that include the *mvnt flag; this is used for treating

  ventilation systems in the ideal HVAC models.

 

 

General

-------

- The programming structures that implement contextual help have been
reconfigured

  to facilitate maintenance.  Concurrent to this, the information for many
help

  dialogues has been improved.

- An annoying bug that caused the plant database manager to switch from
graphic to

  text mode has been repaired.

- A number of variables have been added to the XML/CSV reporting facility.

- The out.dictionary format (utilized with XML/CSV reporting) has been
altered

  to improve its clarity.

- Several small bug fixes related to stand-alone CFD simulations and Tecplot
output

  have been repaired.

 

 

Additional Changes

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

- Many additional changes have been made that are transparent to the user.

  Information on these, as well as further details on all the
above-mentioned

  changes, can be found in ESP-r Central's change log.

 

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