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charset=us-ascii"><meta name=Generator content="Microsoft Word 12 (filtered medium)"><style></style></head><body lang=EN-CA link=blue vlink=purple><div class=WordSection1>ESP-r users and developers,<o:p></o:p><o:p> </o:p>Version 11.10 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.<o:p></o:p><o:p> </o:p>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 <a href="http://subversion.tigris.org/getting.html">http://subversion.tigris.org/getting.html</a>.<o:p></o:p><o:p> </o:p>Once you have installed the Subversion client you can download the source code for version 11.10 of ESP-r anonymously using the following command:<o:p></o:p>      svn checkout <a href="https://espr.svn.cvsdude.com/esp-r/trunk">https://espr.svn.cvsdude.com/esp-r/trunk</a><o:p></o:p><o:p> </o:p>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 11.10.  Rather, you can update the source code by executing the following command from your "trunk" directory:<o:p></o:p>      svn update<o:p></o:p><o:p> </o:p>(ESP-r developers who wish to make source code contributions to ESP-r should contact Bart Lomanowski at <a href="mailto:Bartosz.Lomanowski@nrcan.gc.ca">Bartosz.Lomanowski@nrcan.gc.ca</a> who can configure an account for you on ESP-r Central.  Further information on ESP-r Central for developers is available at <a href="http://www.esru.strath.ac.uk/Programs/ESP-r_central.htm">http://www.esru.strath.ac.uk/Programs/ESP-r_central.htm</a>.)<o:p></o:p><o:p> </o:p>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 generally be made available within a few days of a source code release and will be announced to this e-mail list.<o:p></o:p><o:p> </o:p>Regards,<o:p></o:p><o:p> </o:p>Ian Beausoleil-Morrison<o:p></o:p>ESP-r Archivist on behalf of the ESP-r development team<o:p></o:p><o:p> </o:p>Carleton University<o:p></o:p>Ottawa, Canada<o:p></o:p><o:p> </o:p><o:p> </o:p>Release Notes<o:p></o:p>11.10 (December 2010)<o:p></o:p>=====================<o:p></o:p><o:p> </o:p>Simulation capabilities<o:p></o:p>-----------------------<o:p></o:p>- The current stratified tank model (plant database comp. No 89) does not support<o:p></o:p>  the specification of immersed heat exchangers.  This model has been modified to<o:p></o:p>  provide support for specifying a single spiral heat exchanger (plant database<o:p></o:p>  comp. No 103) and two spiral heat exchangers (plant database comp. 104). The<o:p></o:p>  inputs for these components fix the location of the heat exchangers along the<o:p></o:p>  height of the stratified tank and specify the geometry of the spiral of the<o:p></o:p>  heat exchanger.<o:p></o:p>- The shading and insolation module has been modified to include obstruction<o:p></o:p>  block opacity.  With this, opacity factor--ranging from (0 fully transparent)<o:p></o:p>  to 1 (fully opaque)--can be set for each obstruction block.<o:p></o:p>- The grid resolution and the number of obstructions available for shading<o:p></o:p>  analyses has been increased.  This allows more complex surfaces with<o:p></o:p>  thin frames to be accommodated.<o:p></o:p>- A water-filled zone feature has been added.  This can be used in cases where<o:p></o:p>  zone-coupled flow is defined via the zone operations file.<o:p></o:p>- A bug in the calculation of the humidification/dehumidification load<o:p></o:p>  when using ideal zone control with humidity control has been repaired.<o:p></o:p>  Previously the controller determined the correct relative humidity but<o:p></o:p>  incorrectly calculated the required (de)humidification to achieve it.<o:p></o:p>  The magnitude of the error was larger in models with large latent loads<o:p></o:p>  when using long time-steps.<o:p></o:p>- An error in the xml/csv output for the average ground temperature used<o:p></o:p>  by the BASESIMP model for BASESIMP-type boundary conditions has been<o:p></o:p>  corrected.<o:p></o:p><o:p> </o:p><o:p> </o:p>Project Manager<o:p></o:p>---------------<o:p></o:p>- An interface has been created in Project Manager to allow users to apply<o:p></o:p>  the Alberta air infiltration model (AIM-2).  This model has been available<o:p></o:p>  within the Simulator for a decade.  However, it was a 'hidden' feature<o:p></o:p>  that required the user to manually configure an input file.  With this<o:p></o:p>  additional the AIM-2 model can be more broadly applied.  AIM-2 is a<o:p></o:p>  so-called single-zone model for calculating stack and wind driven infiltration<o:p></o:p>  rates for single-family detached houses.  It can be considered as an intermediate<o:p></o:p>  method lying between the simplified treatment of infiltration via the operation<o:p></o:p>  file and the more detailed network air flow approach.<o:p></o:p>- An interface has been created in Project Manager to allow users to apply<o:p></o:p>  the BASESIMP foundation heat loss model.  This model has been available<o:p></o:p>  within the Simulator for a decade and has been partially supported by Project<o:p></o:p>  Manager.  However, it was a 'semi-hidden' feature that required the user<o:p></o:p>  to manually configure an input file.  With this addition the BASESIMP model<o:p></o:p>  can be more broadly applied.  BASESIMP is a model for predicting both the<o:p></o:p>  above-grade and below-grade heat transfer from residential slab-on-grade and<o:p></o:p>  basement foundations and considers time-varying soil temperatures.  It is<o:p></o:p>  appropriate for use with small footprint buildings.<o:p></o:p>- An interface has been created in Project Manager to allow users to apply<o:p></o:p>  the 'idealized' HVAC models that were added by NRCan to support the HOT3000<o:p></o:p>  software about a decade ago.  These models have remained a 'hidden' feature<o:p></o:p>  that required the user to manually configure an input file.  With this<o:p></o:p>  addition the idealized HVAC models can be more broadly applied.  These can be<o:p></o:p>  considered as simplified methods for predicting fuel and electricity consumption<o:p></o:p>  of residential HVAC equipment that are used in conjunction with ESP-r's zone<o:p></o:p>  controls.<o:p></o:p>- Improvements have been made to the menu structure to facilitate working<o:p></o:p>  with models that included large numbers of control loops and large numbers<o:p></o:p>  of zones and/or surfaces.<o:p></o:p>- Logic has been introduced to identify convex and concave corners in rooms<o:p></o:p>  to automate creation of thermal bridge locations based on the room topology.<o:p></o:p>- The number of in-built ground temperature profiles has been increased and<o:p></o:p>  further documentation has been added to assist in appropriate selections.<o:p></o:p>- A method has been introduced to scan the climate data, generate ground<o:p></o:p>  temperatures at different depths and report estimated ground temperatures<o:p></o:p>  (via Marshall and Holmes 1988).  The Kusuda method for calculating ground<o:p></o:p>  temperatures has also been added.<o:p></o:p><o:p> </o:p><o:p> </o:p>Validation/Compliance Checking<o:p></o:p>------------------------------<o:p></o:p>- A large number of interface and modelling changes have been made to provide<o:p></o:p>  the functionality required by the UK ‘National Calculation Method’ (NCM).<o:p></o:p>  A decision on ESP-r’s compliance with the NCM is expected in the near future.<o:p></o:p><o:p> </o:p><o:p> </o:p>General<o:p></o:p>-------<o:p></o:p>- ESP-r can no longer be compiled with GCC3.  An upgrade to GCC4 is now mandatory.<o:p></o:p>- Support has been added for the Install script to auto-detect the architecture<o:p></o:p>  on Cygwin running under Windows Vista and Windows 7.<o:p></o:p>- A number of new climate files have been included while some others have been<o:p></o:p>  updated.<o:p></o:p>- A number of new exemplars have been added.<o:p></o:p>- A number of changes to the automated testing scripts have been made.<o:p></o:p>- Corrected material vapour diffusion values for several entries associated<o:p></o:p>  with the IBO PassivHaus reference book. This would only impact models<o:p></o:p>  which used these materials and where interstitial condensation reports<o:p></o:p>  are generated.<o:p></o:p>- The Climate Analyzer includes a facility to convert global horizontal<o:p></o:p>  into beam and diffuse.  This was updated to make it more robust<o:p></o:p>  and to offer three methods: the Erbs Klein & Duffy method, the<o:p></o:p>  Maxwell method and Orgill & Hollands method.<o:p></o:p><o:p> </o:p><o:p> </o:p>Additional Changes<o:p></o:p>------------------<o:p></o:p>- Many additional changes have been made that are transparent to the user.<o:p></o:p>  Information on these, as well as further details on all the above-mentioned<o:p></o:p>  changes, can be found in ESP-r Central's change log.<o:p></o:p></div></body></html>