Update project structure and configurations

crates/cli/examples/bphx_evaporator_condenser.json

@@ -1,11 +1,18 @@
 {
-  "name": "Water/water BPHX example",
+  "name": "BPHX Evaporator + Condenser — standalone runnable examples",
   "fluid": "R410A",
   "circuits": [
     {
       "id": 0,
-      "name": "Refrigerant",
+      "name": "Evaporator circuit (R410A / Water)",
       "components": [
+        {
+          "type": "RefrigerantSource",
+          "name": "ref_src_evap",
+          "fluid": "R410A",
+          "p_set_bar": 4.0,
+          "quality": 0.2
+        },
         {
           "type": "BphxEvaporator",
           "name": "evap",
@@ -21,10 +28,33 @@
           "hot_pressure_bar": 2.0,
           "hot_mass_flow_kg_s": 0.5,
           "cold_fluid": "R410A",
-          "cold_t_inlet_c": 5.0,
+          "cold_t_inlet_c": 2.0,
           "cold_pressure_bar": 4.0,
           "cold_mass_flow_kg_s": 0.1
         },
+        {
+          "type": "RefrigerantSink",
+          "name": "ref_snk_evap",
+          "fluid": "R410A",
+          "p_back_bar": 4.0
+        }
+      ],
+      "edges": [
+        { "from": "ref_src_evap:outlet", "to": "evap:inlet" },
+        { "from": "evap:outlet",         "to": "ref_snk_evap:inlet" }
+      ]
+    },
+    {
+      "id": 1,
+      "name": "Condenser circuit (R410A / Water)",
+      "components": [
+        {
+          "type": "RefrigerantSource",
+          "name": "ref_src_cond",
+          "fluid": "R410A",
+          "p_set_bar": 18.0,
+          "quality": 1.0
+        },
         {
           "type": "BphxCondenser",
           "name": "cond",
@@ -42,13 +72,22 @@
           "cold_t_inlet_c": 25.0,
           "cold_pressure_bar": 2.0,
           "cold_mass_flow_kg_s": 0.5
+        },
+        {
+          "type": "RefrigerantSink",
+          "name": "ref_snk_cond",
+          "fluid": "R410A",
+          "p_back_bar": 18.0
         }
       ],
-      "edges": []
+      "edges": [
+        { "from": "ref_src_cond:outlet", "to": "cond:inlet" },
+        { "from": "cond:outlet",         "to": "ref_snk_cond:inlet" }
+      ]
     }
   ],
   "solver": {
-    "strategy": "newton",
+    "strategy": "fallback",
     "max_iterations": 50,
     "tolerance": 1e-6
   }