constraints are now inherited and deleted if necessary. Added Splitte…

…rWithPressureLoss example

intermediateFoodTests/newComponentsTests/SplitterWithDeltaP.py

@@ -0,0 +1,57 @@
+import logging
+
+from tespy.components import HeatExchangerSimple, Source, Sink, Merge, Separator 
+from tespy.tools import ComponentProperties
+from tespy.connections import Connection
+from tespy.networks import Network
+import numpy as np
+
+from tespy.tools.data_containers import ComponentProperties as dc_cp
+from tespy.tools.data_containers import GroupedComponentProperties as dc_gcp
+
+from tespy.components.newcomponents import DiabaticSimpleHeatExchanger,MergeWithPressureLoss,SeparatorWithSpeciesSplits,SplitterWithPressureLoss
+
+# %%
+
+# caution, must write "Water" (capital W) in INCOMP backend -> CoolProp bug? Intentional?
+fluids = ["INCOMP::Water", "INCOMP::T66"]
+nw = Network(fluids=fluids, p_unit="bar", T_unit="C")
+
+so = Source("Source")
+se = SplitterWithPressureLoss("Splitter",num_out=2)
+si1 = Sink("Sink 1")
+si2 = Sink("Sink 2")
+
+c1 = Connection(so, "out1", se, "in1", label="1")
+c2 = Connection(se, "out1", si1, "in1", label="2")
+c3 = Connection(se, "out2", si2, "in1", label="3")
+
+nw.add_conns(c1, c2, c3)
+
+# set some generic data for starting values
+c1.set_attr(m=1, p=1.2, T=30, fluid={"INCOMP::Water": 0.9, "INCOMP::T66": 0.1})
+c2.set_attr(m=0.6)
+
+c2.set_attr(p=1.1)
+c3.set_attr(p=1.0)
+
+# add some guess values
+#c2.set_attr(m0=0.5,p0=1.2,h0=1e5,T0=50,fluid0={"Water": 0.5, "T66": 0.5})
+#c3.set_attr(m0=0.5,p0=1.2,h0=1e5,T0=50,fluid0={"Water": 0.5, "T66": 0.5})
+
+nw.solve("design")
+if not nw.converged:
+    raise Exception("not converged")
+nw.print_results()
+print(nw.results['Connection'])
+
+# use delta P
+c2.set_attr(p=None)
+c3.set_attr(p=None)
+se.set_attr(deltaP=0.25)
+
+nw.solve("design")
+if not nw.converged:
+    raise Exception("not converged")
+nw.print_results()
+print(nw.results['Connection'])

intermediateFoodTests/newComponentsTests/simple_heatex_for_jorrit.py

@@ -20,7 +20,7 @@
 nw.add_conns(c1, c2)
 
 # set some conditions on connections
-c1.set_attr(m=1, p=1.2, T=30, fluid={"Water": 0.9, "T66": 0.1})
+c1.set_attr(m=1, p=1.2, T=30, fluid={"INCOMP::Water": 0.9, "INCOMP::T66": 0.1})
 c2.set_attr(T=50)
 
 # set some conditions on component
@@ -52,7 +52,7 @@
 nw.add_conns(c1, c2)
 
 # set some conditions on connections
-c1.set_attr(m=1, p=1.2, T=30, fluid={"Water": 1})
+c1.set_attr(m=1, p=1.2, T=30, fluid={"INCOMP::Water": 1})
 c2.set_attr(T=50)
 
 # set some conditions on component