ESP-r

ESP-r is a research-oriented open-source building performance simulation software.[1] [2] ESP-r can model heat flow in thermal zones, fluid flow using networks or CFD, electrical power flow, moisture flow, contaminant flow, hygrothermal and fluid flow in HVAC systems, as well as visual and acoustic performance aspects within a modeled energy system/building.

ESP-r main menu and an exemplar model

It was initially developed in 1974, as Joe Clarke's PhD research at the University of Strathclyde, and has been since extended by researchers from several countries.[3] [4] ESP-r was made available in 2002 in the public domain subject to the GNU Public License.

ESP-r is designed to work on Unix, but it can run on Windows using Windows Subsystem for Linux (or in any other operational system using a virtual machine). The current ESP-r archivist is Professor Joseph Clarke, of the University of Strathclyde.

ESP-r`s holistic nature, flexibility, and range of features enable a well-informed user to optimize the energy and environmental performance of a building and/or associated energy systems.[5] The user experience provided by ESP-r, however, cannot be compared to the one provided by commercial software. ESP-r learning curve is steep, but there is a growing amount of training material available online. [6][7]

ESP-r has been extensively validated. [8][9] Among other projects, ESP-r was part of BESTEST,[10] an IEA initiative that created a benchmark for quality assessment of energy simulation software. This benchmark was later incorporated on ASHRAE Standard 140 - Method of Test for Evaluating Building Performance Simulation Software.[11][12]

References
  1. "Energy Systems Research Unit | University of Strathclyde".
  2. "ESRU - Applications: ESP-r".
  3. "List of ESP-r contributors".
  4. "ESRU - Publications".
  5. Clarke, Joseph (2001). Energy simulation in building design. Routledge.
  6. "Hand, J. (2020) Strategies for deploying virtual representations of the built environment".
  7. "ESRU - Online software documentation".
  8. Strachan P A. 2000. 'ESP-r: Summary of Validation Studies
  9. Strachan, P. A.; Kokogiannakis, G.; Macdonald, I. A. (2008-04-01). "History and development of validation with the ESP-r simulation program". Building and Environment. Part Special: Building Performance Simulation. 43 (4): 601–609. doi:10.1016/j.buildenv.2006.06.025. ISSN 0360-1323.
  10. Judkoff, R.; Neymark, J. (1995-02-01). International Energy Agency building energy simulation test (BESTEST) and diagnostic method (Report). National Renewable Energy Lab. (NREL), Golden, CO (United States). doi:10.2172/90674.
  11. Judkoff, R.; Neymark, J. (2013-07-01). Twenty Years On!: Updating the IEA BESTEST Building Thermal Fabric Test Cases for ASHRAE Standard 140 (Report). NREL/ J. Neymark & Associates, Golden, CO (United States). doi:10.2172/1220110.
  12. "ASHRAE Standard 140 Resource Files".
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