{
  "reported": {
    "tank_before_L": 80,
    "tank_after_L": 200,
    "duty_m3_h": 20,
    "head_m": 40
  },
  "assumed": {
    "cut_in_bar_g": 3,
    "cut_out_bar_g": 4,
    "precharge_bar_g": 2.8,
    "atmospheric_bar": 1.01325,
    "lead_pump_flow_L_min": 100,
    "gas_model": "isothermal ideal gas",
    "layout_mm": [
      1500,
      800
    ],
    "tank_internal_diameter_mm": 500,
    "ideal_cylinder_length_mm": 1
  },
  "drawdown_fraction": 0.18953075912402795,
  "drawdown_80_L": 15.162460729922236,
  "drawdown_200_L": 37.90615182480559,
  "geometry_scope": "Arrangement envelopes only. Not a pressure vessel design, hydraulic pump geometry, piping design or certified tank."
}