{
  "name": "Chiller eau glacée R410A - Eurovent",
  "description": "Système complet de production d'eau glacée avec cycle R410A",
  
  "fluid": "R410A",
  
  "circuits": [
    {
      "id": 0,
      "name": "Circuit réfrigérant R410A",
      "components": [
        {
          "type": "Compressor",
          "name": "comp",
          "fluid": "R410A",
          "speed_rpm": 2900,
          "displacement_m3": 0.000030,
          "efficiency": 0.85,
          "m1": 0.85, "m2": 2.5,
          "m3": 500, "m4": 1500, "m5": -2.5, "m6": 1.8,
          "m7": 600, "m8": 1600, "m9": -3.0, "m10": 2.0
        },
        {
          "type": "HeatExchanger",
          "name": "condenser",
          "ua": 5000,
          "hot_fluid": "R410A",
          "hot_t_inlet_c": 45,
          "hot_pressure_bar": 24,
          "hot_mass_flow_kg_s": 0.05,
          "cold_fluid": "Water",
          "cold_t_inlet_c": 30,
          "cold_pressure_bar": 1,
          "cold_mass_flow_kg_s": 0.4
        },
        {
          "type": "ExpansionValve",
          "name": "exv",
          "fluid": "R410A",
          "opening": 1.0
        },
        {
          "type": "Evaporator",
          "name": "evaporator",
          "ua": 6000,
          "t_sat_k": 275.15,
          "superheat_k": 5
        }
      ],
      "edges": [
        { "from": "comp:outlet", "to": "condenser:inlet" },
        { "from": "condenser:outlet", "to": "exv:inlet" },
        { "from": "exv:outlet", "to": "evaporator:inlet" },
        { "from": "evaporator:outlet", "to": "comp:inlet" }
      ]
    },
    {
      "id": 1,
      "name": "Circuit eau glacée",
      "components": [
        {
          "type": "Pump",
          "name": "pump"
        },
        {
          "type": "Pump",
          "name": "load"
        }
      ],
      "edges": [
        { "from": "pump:outlet", "to": "load:inlet" },
        { "from": "load:outlet", "to": "pump:inlet" }
      ]
    }
  ],
  
  "thermal_couplings": [
    {
      "hot_circuit": 0,
      "cold_circuit": 1,
      "ua": 6000,
      "efficiency": 0.95
    }
  ],
  
  "solver": {
    "strategy": "fallback",
    "max_iterations": 100,
    "tolerance": 1e-6
  },
  
  "design_conditions": {
    "chilled_water_inlet_c": 12,
    "chilled_water_outlet_c": 7,
    "chilled_water_flow_kg_s": 0.5,
    "ambient_air_c": 35,
    "cooling_capacity_kw": 10.5,
    "cop_estimated": 3.5
  },
  
  "metadata": {
    "author": "Entropyk",
    "version": "1.0",
    "application": "Water chiller for HVAC"
  }
}