[
    {
        "fill_id": "example_A",
        "Pexit_barg": 200.0,
        "speed_f": 0.65,
        "Ptank_barg": 7.0,
        "Psat_barg": 2.0,
        "measured_mdot_kgpm": 0.42,
        "notes": "Synthetic example — below flow cliff, high efficiency expected"
    },
    {
        "fill_id": "example_B",
        "Pexit_barg": 380.0,
        "speed_f": 0.65,
        "Ptank_barg": 7.0,
        "Psat_barg": 2.0,
        "measured_mdot_kgpm": 0.28,
        "notes": "Synthetic example — near flow cliff transition"
    },
    {
        "fill_id": "example_C",
        "Pexit_barg": 500.0,
        "speed_f": 0.65,
        "Ptank_barg": 7.0,
        "Psat_barg": 2.0,
        "measured_mdot_kgpm": 0.15,
        "notes": "Synthetic example — above flow cliff, reduced efficiency"
    }
]