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2021 01 15 library development
Date: January 15, 2021, 8am-9am Pacific Times The purpose of this meeting is to coordinate the development https://github.com/ibpsa/modelica-ibpsa
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Cooling coil (Donghun)
New state selection (Michael)
Refrigerant media (Christian Vering)
Ethylene Glycol (Massimo)
Steam media (Michael)
Simplified door model (Michael)
CONTAM-style models (Klaas)
Update on geothermal models (Massimo)
Visual enhancements of PartialTwoPort
Progress on pull requests, https://github.com/ibpsa/modelica-ibpsa/pulls
What's left: nominal UA calculation, ensuring relative humidity is not above 100%, eliminite iterations. Should have a pull request by the end of January.
Ongoing analysis, https://github.com/ibpsa/modelica-ibpsa/pull/1413
No discussion.
https://github.com/ibpsa/modelica-ibpsa/issues/1410 This has been merged on 1/6/21.
Katy implemented a steam model for low/medium pressures steam heating systems, https://github.com/ibpsa/modelica-ibpsa/issues/1389.
Uses linear or quadratic property functions for thermodynamic properties.
Next step is to do system simulation models.
https://github.com/ibpsa/modelica-ibpsa/issues/1353 and https://github.com/ibpsa/modelica-ibpsa/pull/1438
Klaas made https://github.com/ibpsa/modelica-ibpsa/pull/1437 with additional models and refactored other models. Needs review. Model names should be made clearer (than what CONTAM is using now) and consistent with other models used in IBPSA.
Not clear if complexity of having either mass or volume flow is justified.
Work in progress towards a BS'21 paper.
Work is ongoing to speed up current calculation and scales to larger borefields.
Issue https://github.com/ibpsa/modelica-ibpsa/issues/1280.
See notes on ticket.
No work yet.
Michael to go through issues and maybe mark as "won't fix" and close for now to keep it more manageable.
Michael to go through issues and maybe mark as "won't fix" and close for now to keep it more manageable.
Klaas to make pull request for new air flow models.
Fluid Property models (RWTH) RWTH intern development of R134a, R410A, R32, R407C, R290 and R744 merge in December, Paper in March Are there further fluid models of interest? We can add some more due to master's thesis.