{
  "params": {
    "fluid": "R134a",
    "ua_cond": 766,
    "ua_evap": 1468
  },
  "components": [
    {
      "type": "IsentropicCompressor",
      "name": "comp",
      "isentropic_efficiency": 0.7,
      "emergent_pressure": true,
      "displacement_m3": 0.000065,
      "speed_hz": 50,
      "volumetric_efficiency": 0.92,
      "t_cond_k": 318.15,
      "t_evap_k": 278.15,
      "superheat_k": 5
    },
    {
      "type": "Condenser",
      "name": "cond",
      "fluid": "$fluid",
      "secondary_fluid": "Water",
      "ua": "$ua_cond",
      "t_sat_k": 323.15,
      "secondary_inlet_temp_c": 30,
      "secondary_mass_flow_kg_s": 2,
      "secondary_cp_j_per_kgk": 4186,
      "secondary_humidity_ratio": 0,
      "dp_model": "quadratic",
      "rated_pressure_drop_pa": 15000,
      "rated_mass_flow_kg_s": 0.05,
      "secondary_rated_pressure_drop_pa": 30000,
      "secondary_rated_m_flow_kg_s": 0.45,
      "emergent_pressure": true,
      "subcooling_k": 5,
      "skip_pressure_eq": false,
      "z_ua": 1,
      "z_dp": 1
    },
    {
      "type": "IsenthalpicExpansionValve",
      "name": "exv",
      "t_evap_k": 278.15,
      "opening": 0.5,
      "emergent_pressure": true
    },
    {
      "type": "Evaporator",
      "name": "evap",
      "fluid": "$fluid",
      "secondary_fluid": "Water",
      "ua": "$ua_evap",
      "t_sat_k": 275.15,
      "superheat_k": 5,
      "z_ua": 1,
      "z_dp": 1,
      "secondary_inlet_temp_c": 12,
      "secondary_mass_flow_kg_s": 1.5,
      "secondary_cp_j_per_kgk": 4186,
      "secondary_humidity_ratio": 0,
      "dp_model": "quadratic",
      "rated_pressure_drop_pa": 15000,
      "rated_mass_flow_kg_s": 0.05,
      "secondary_rated_pressure_drop_pa": 30000,
      "secondary_rated_m_flow_kg_s": 0.5,
      "emergent_pressure": true,
      "superheat_regulated": false,
      "skip_pressure_eq": false
    }
  ],
  "edges": [
    {"from": "comp:outlet", "to": "cond:inlet"},
    {"from": "cond:outlet", "to": "exv:inlet"},
    {"from": "exv:outlet", "to": "evap:inlet"},
    {"from": "evap:outlet", "to": "comp:inlet"}
  ],
  "ports": {
    "chw_in": "evap:secondary_inlet",
    "chw_out": "evap:secondary_outlet",
    "cond_water_in": "cond:secondary_inlet",
    "cond_water_out": "cond:secondary_outlet"
  }
}