set min-max flow rate to 0 in units (#287)

* set min-max flow rate to 0 in units

Signed-off-by: pepmts <pierre-elie.personnaz@metroscope.tech>

* Update CHANGELOG.md

Signed-off-by: pepmts <pierre-elie.personnaz@metroscope.tech>

Author: pierre-eliep-met

CHANGELOG.md

@@ -8,6 +8,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [Unreleased]
 
 ### Fixed <!--Make sure to add a link to the PR and issues related to your change-->
+ - Fixed [#282](https://github.com/Metroscope-dev/metroscope-modeling-library/issues/282) with [#287](https://github.com/Metroscope-dev/metroscope-modeling-library/issues/287), by setting min and max in Positive/Negative MassFlowRate to 0, as it was an unnecessary protection.
  - Fixed [#273](https://github.com/Metroscope-dev/metroscope-modeling-library/issues/273), steam extraction splitter'`x` are lower than 1 [PR#275](https://github.com/Metroscope-dev/metroscope-modeling-library/pull/275)
  - Fixed `IsoHFlowModel` and `IsoPHFlowModel` now use `h_0` as `h` start value with [PR #265]([url](https://github.com/Metroscope-dev/metroscope-modeling-library/pull/265))
  - Fixed `NTU HX` test configuration name for `shell_and_tubes` test, [PR #239](https://github.com/Metroscope-dev/metroscope-modeling-library/pull/239)

MetroscopeModelingLibrary/Units/NegativeMassFlowRate.mo

@@ -1,2 +1,2 @@
 within MetroscopeModelingLibrary.Units;
-type NegativeMassFlowRate=SI.MassFlowRate(max=-1e-5, start=-1e3, nominal=-1e3);
+type NegativeMassFlowRate=SI.MassFlowRate(max=0, start=-1e3, nominal=-1e3);

MetroscopeModelingLibrary/Units/PositiveMassFlowRate.mo

@@ -1,3 +1,2 @@
 within MetroscopeModelingLibrary.Units;
-type PositiveMassFlowRate =
-                         SI.MassFlowRate(min=1e-5, start=1e3, nominal=1e3);
+type PositiveMassFlowRate = SI.MassFlowRate(min=0, start=1e3, nominal=1e3);