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Similar to #723 `IBPSA.Fluid.BaseClasses.FlowModels.basicFlowFunction_dp` can be reformulated from
```
m_flow := if noEvent(dp>dp_turbulent) then k*sqrt(abs(dp))
elseif noEvent(dpd…
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For valves and air dampers, the mass flow rate increases sharply at low lifts, in particular, but not only, if the authority is low. This causes a large control gain at low lifts, which in turn can ca…
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`IBPSA.Fluid.BaseClasses.FlowModels.basicFlowFunction_dp_der` is currently implemented as:
```
m_flow_der := (if noEvent(dp>dp_turbulent) then 0.5*k/sqrt(dp)
elseif noEvent(dpdp_…
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The models in the `SolarRadiationTransformers` package can be improved.
proposed changes
- In `SolarRadiationTransformerGeneral`
---
Edited
~~1. Remove `Deg` and `Angle` of the name of the `cos.…
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Annex60.UsersGuide.ReleaseNotes.Version_1_0_0 points to a dead link https://github.com/ibpsa/modelica.
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We discussed about the possibility to precalculate the pressure drop based on nominal conditions. I add a function `dpPre` in branch _pipe_issue26_precalculate_dp_ to do that.
There is also an exampl…
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Copy the package `Fluid.Movers` from the `Buildings` to the `Annex60` library.
This is required for the numerical benchmarks, and was agreed upon in the conference call on 4/16/14.
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This issue is to discuss whether `Buildings.Fluid.FMI`should be included in the Annex60 library.
This is a package which Activity 1.2 was planning to reference in the report. Best might be if the ref…
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When a `MixingVolume` is configured to steady state (i.e. `Annex60.Fluid.Interfaces.StaticTwoPortConservationEquation` is used) energy is in some cases not conserved at zero flow. The problem arises w…
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The Annex60/Building library does not seem to contain a model for a pressure-independent valve (example: http://www.belimo.ch/pdf/e/r2p_2_e.pdf). These valves supply a desired mass flow rate regardles…