{
  "updated": "2026-10-08",
  "scope": "Goal 1 theoretical inputs; no target experimental calibration or old model outputs",
  "evidence_classes": {
    "measured_target": "Audited target experiment; none supplied for the PFC formulation here",
    "literature": "Named compound/apparatus, explicit temperature/regime",
    "estimate": "Declared approximating input with no experimental claim",
    "synthetic": "Illustrative teaching contract",
    "unknown": "Target value remains null; actionable measurement/source task"
  },
  "target_identity": "Unknown; supplied draft is a water-system reference, not a PFC material card",
  "target_inputs": [
    {
      "input": "PFC compound/CAS and mixture",
      "value": null,
      "units": null,
      "evidence": "unknown target input",
      "required_next_action": "Obtain formulation/batch chemical identity; do not assign PFH from a teaching example."
    },
    {
      "input": "size/core/shell/aggregation",
      "value": null,
      "units": "m",
      "evidence": "unknown target input",
      "required_next_action": "DLS plus microscopy/core-shell and aggregation characterization."
    },
    {
      "input": "number density/loading/active fraction",
      "value": null,
      "units": "1/m³",
      "evidence": "unknown target input",
      "required_next_action": "Count or measure concentration and the absorber-bearing activation-capable fraction."
    },
    {
      "input": "laser waveform/wavelength/spot",
      "value": null,
      "units": "W, s, m",
      "evidence": "unknown target input",
      "required_next_action": "Calibrate power/energy at the specimen with the actual optical path."
    },
    {
      "input": "interception/absorptance/deposition field",
      "value": null,
      "units": "1, W/m³",
      "evidence": "unknown target input",
      "required_next_action": "Measure absorber spectrum/placement and account for reflection, attenuation and shielding."
    },
    {
      "input": "PFC liquid/vapor EOS and sound speed",
      "value": null,
      "units": "Pa, kg/m³, m/s",
      "evidence": "unknown target input",
      "required_next_action": "Select compound-specific verified EOS/transport data over the attained state range."
    },
    {
      "input": "heat capacity/conductivity/phase enthalpy",
      "value": null,
      "units": "J/(kg K), W/(m K), J/kg",
      "evidence": "unknown target input",
      "required_next_action": "Resolve temperature and state dependence for both PFC and carrier."
    },
    {
      "input": "saturation/activation/phase kinetics",
      "value": null,
      "units": "Pa, kg/(m² s)",
      "evidence": "unknown target input",
      "required_next_action": "Measure activation statistics and cooling/recondensation; distinguish equilibrium from rates."
    },
    {
      "input": "noncondensable gas and retained phase",
      "value": null,
      "units": "kg",
      "evidence": "unknown target input",
      "required_next_action": "Observe rebound/reset and independently constrain the retained inventory."
    },
    {
      "input": "shell/interface and carrier rheology",
      "value": null,
      "units": "Pa, N/m, Pa s",
      "evidence": "unknown target input",
      "required_next_action": "Characterize shell stress/rupture, wetting, surface tension and formulated viscosity."
    },
    {
      "input": "droplet/layer/vent/contact geometry",
      "value": null,
      "units": "m",
      "evidence": "unknown target input",
      "required_next_action": "Declare the geometry for each architecture and both film/PVC paths."
    },
    {
      "input": "gel thermal/viscoelastic/permeability/failure laws",
      "value": null,
      "units": "SI",
      "evidence": "unknown target input",
      "required_next_action": "Characterize actual gel at the event temperature, strain and time range."
    },
    {
      "input": "film/PVC/cohesive release law",
      "value": null,
      "units": "Pa, m, J/m²",
      "evidence": "unknown target input",
      "required_next_action": "Measure thickness/support, dynamic mechanics and release-interface work/traction."
    },
    {
      "input": "pressure and velocity observation definition",
      "value": null,
      "units": "m², s, kg",
      "evidence": "unknown target input",
      "required_next_action": "Fix area/time response and jet region/mass/tracking before comparing maxima."
    },
    {
      "input": "admissible energy and transfer criteria",
      "value": null,
      "units": "J",
      "evidence": "unknown target input",
      "required_next_action": "Bound energy/material/geometry/count/delay; define intactness, placement, variability and reset."
    }
  ],
  "PFH_literature_reference": {
    "compound": "perfluoro-n-hexane",
    "CAS": "355-42-0",
    "formula": "C6F14",
    "target_assignment": false,
    "molar_mass_kg_mol": 0.3380418,
    "normal_boiling_K_datasets": [
      330.3,
      332.2,
      333.0
    ],
    "phase_source": "https://webbook.nist.gov/cgi/cbook.cgi?ID=C355420&Mask=4",
    "boiling_values_are_activation_threshold": false,
    "Antoine": {
      "equation": "log10(P/bar) = A - B/(T + C)",
      "correlations": [
        {
          "reference": "Crowder et al. 1967",
          "T_K": [
            256.43,
            447.08
          ],
          "A": 4.07362,
          "B_K": 1113.329,
          "C_K": -56.472
        },
        {
          "reference": "Ermakov and Skripov 1967",
          "T_K": [
            324.1,
            451.7
          ],
          "A": 4.64693,
          "B_K": 1570.217,
          "C_K": 14.047
        },
        {
          "reference": "Dunlap et al. 1958",
          "T_K": [
            303.21,
            330.6
          ],
          "A": 2.12401,
          "B_K": 327.523,
          "C_K": -175.973
        }
      ],
      "dataset_ranges_are_not_uncertainty_intervals": true,
      "high_pressure_EOS": false
    },
    "vaporization_enthalpy": {
      "molar_J_mol": 31500,
      "temperature_K": 316,
      "mass_J_kg": 93183.7423655891,
      "source": "https://webbook.nist.gov/cgi/cbook.cgi?ID=C355420&Mask=4",
      "usable_as_constant_for_all_states": false
    },
    "liquid_heat_capacity": {
      "molar_J_molK_datasets": [
        240.2,
        248.0
      ],
      "temperature_K": 273,
      "mass_J_kgK_datasets": [
        710.5630132131588,
        733.6370827513047
      ],
      "source": "https://webbook.nist.gov/cgi/cbook.cgi?ID=C355420&Mask=2",
      "dataset_spread_is_not_target_confidence_interval": true,
      "high_temperature_extrapolation_verified": false
    },
    "missing_reference_inputs": [
      "liquid/vapor EOS for predicted pressure range",
      "temperature-dependent transport",
      "target shell and accommodation laws"
    ]
  },
  "published_optical_examples": [
    {
      "compound": "PFH",
      "absorber": "clustered interfacial gold",
      "imaging_laser": {
        "wavelength_m": 1.064e-06,
        "pulse_s": 9e-09
      },
      "source": "https://doi.org/10.1364/OL.39.002599",
      "evidence": "literature apparatus",
      "target_assignment": false,
      "single_nanodroplet_jet_speed_measured": false
    },
    {
      "compound": "PFP",
      "absorber": "loaded silica-coated PbS",
      "laser": {
        "wavelength_m": 1.064e-06,
        "pulse_s": 7e-10
      },
      "source": "https://doi.org/10.1364/BOE.2.001432",
      "evidence": "literature apparatus",
      "target_assignment": false
    },
    {
      "compound": "water",
      "absorber": "surface gold or distributed dye",
      "laser_wavelength_m": 4.5e-07,
      "source": "https://doi.org/10.1063/5.0233144",
      "evidence": "literature apparatus",
      "target_assignment": false
    }
  ],
  "L01_exercise": "All values are synthetic water-control inputs and conditional allocations, not project measurements.",
  "legacy_teaching_parameters": "No inherited scenario optical/geometry values or previous COMSOL results are used as target calibration in this setup.",
  "recovered_earlier_material_evidence": {
    "date": "2026-10-08",
    "scope": "Earlier papers/material records recovered for Goal 1; no prior simulation results",
    "target_assignment": false,
    "control_cards": [
      {
        "id": "PFP_Zhang_constant_control",
        "compound": "perfluoro-n-pentane",
        "CAS": "678-26-2",
        "density_kg_m3": 1630.0,
        "heat_capacity_J_kgK": 1088.0,
        "thermal_conductivity_W_mK": 0.05,
        "thermal_diffusivity_m2_s": 2.8193792854565142e-08,
        "source": "https://doi.org/10.1021/acs.jpca.9b02566",
        "source_location": "Table 1, author-manuscript PDF page 9 / printed manuscript page 8",
        "evidence": "Published study adopted constants; not target measurements",
        "property_temperature_K": null,
        "temperature_range_verified": false,
        "upstream_basis": "PF5: manufacturer listing; PF6: representative commercial PFC fluid comparison. Compound/purity mapping needs checking beyond the paper labels.",
        "valid_use": "Named constant-coefficient heat-diffusion control and disclosed sensitivity case",
        "not_validated_for": [
          "target batch",
          "high-temperature transport",
          "high-pressure EOS",
          "activation threshold",
          "carrier liquid"
        ]
      },
      {
        "id": "PF6_Zhang_commercial_control",
        "compound": null,
        "CAS": null,
        "density_kg_m3": 1680.0,
        "heat_capacity_J_kgK": 1050.0,
        "thermal_conductivity_W_mK": 0.057,
        "thermal_diffusivity_m2_s": 3.231292517006803e-08,
        "source": "https://doi.org/10.1021/acs.jpca.9b02566",
        "source_location": "Table 1, author-manuscript PDF page 9 / printed manuscript page 8",
        "evidence": "Published study adopted constants; not target measurements",
        "property_temperature_K": null,
        "temperature_range_verified": false,
        "upstream_basis": "PF5: manufacturer listing; PF6: representative commercial PFC fluid comparison. Compound/purity mapping needs checking beyond the paper labels.",
        "valid_use": "Named constant-coefficient heat-diffusion control and disclosed sensitivity case",
        "not_validated_for": [
          "target batch",
          "high-temperature transport",
          "high-pressure EOS",
          "activation threshold",
          "carrier liquid"
        ],
        "paper_material_label": "PF6 / PFH",
        "candidate_identity": {
          "compound": "perfluoro-n-hexane",
          "CAS": "355-42-0",
          "confirmed_as_basis_of_these_coefficients": false
        },
        "identity_qualification": "Paper-labelled PF6 coefficient set; upstream commercial-PFC comparison does not establish pure n-PFH identity or purity."
      }
    ],
    "additional_PFP_reference": {
      "source": "https://doi.org/10.1039/D3RA05639B",
      "source_location": "PDF page 6 / printed page 35045",
      "density_kg_m3": 1627.0,
      "heat_capacity_cal_gK": 0.156,
      "heat_capacity_J_kgK": 652.704,
      "volumetric_expansion_K_inv": 0.002,
      "isothermal_compressibility_cm2_dyn": 2.74e-10,
      "isothermal_compressibility_Pa_inv": 2.74e-09,
      "property_temperature_K": null,
      "evidence": "Values used in the published thermophysical argument; cited upstream references 47–48 not independently remeasured",
      "sound_speed_from_isothermal_compressibility_authorized": false,
      "heat_capacity_disagreement_resolved": false
    },
    "PFP_NIST_heat_capacity": {
      "compound": "perfluoro-n-pentane",
      "CAS": "678-26-2",
      "source": "https://webbook.nist.gov/cgi/cbook.cgi?ID=C678262&Mask=2",
      "source_reference": "Campos-Vallette and Diaz (1983)",
      "source_note": "Interpolated data, as marked by NIST",
      "temperature_K": 293.0,
      "molar_J_molK": 188.3,
      "molar_mass_kg_mol": 0.2880343,
      "mass_J_kgK": 653.7415856375438,
      "target_assignment": false,
      "temperature_dependent_fit": false
    },
    "PFP_phase_reference": {
      "compound": "perfluoro-n-pentane",
      "CAS": "678-26-2",
      "molar_mass_kg_mol": 0.2880343,
      "normal_boiling_K_datasets": [
        302.6,
        303.2
      ],
      "critical_temperature_K": 421.9,
      "critical_temperature_uncertainty_K": 0.5,
      "source": "https://webbook.nist.gov/cgi/cbook.cgi?ID=C678262&Mask=4",
      "standard_vaporization_enthalpy_molar_J_mol_datasets": [
        26600.0,
        27500.0
      ],
      "standard_vaporization_enthalpy_mass_J_kg_datasets": [
        92350.11246924411,
        95474.74033474484
      ],
      "standard_enthalpy_fit_ranges_K": [
        [
          280.0,
          340.0
        ],
        [
          288.0,
          338.0
        ]
      ],
      "Antoine": [
        {
          "reference": "Crowder et al. 1967",
          "T_K": [
            221.17,
            303.0
          ],
          "A": 4.30216,
          "B_K": 1130.731,
          "C_K": -38.982
        },
        {
          "reference": "Ermakov and Skripov 1967",
          "T_K": [
            300.0,
            421.9
          ],
          "A": 4.38423,
          "B_K": 1257.758,
          "C_K": -13.231
        },
        {
          "reference": "Barber and Cady 1956",
          "T_K": [
            282.82,
            337.94
          ],
          "A": 4.2063,
          "B_K": 1103.454,
          "C_K": -39.77
        }
      ],
      "pressure_units": "bar",
      "temperature_units": "K",
      "boiling_is_activation_threshold": false
    },
    "PFH_phase_comparison": {
      "NIST_phase_enthalpy_J_kg": 93183.7423655891,
      "NIST_enthalpy_temperature_K": 316.0,
      "NIST_source": "https://webbook.nist.gov/cgi/cbook.cgi?ID=C355420&Mask=4",
      "Wei_reported_enthalpy_J_kg": 102000.0,
      "Wei_enthalpy_temperature_K": null,
      "Wei_sensible_heat_37C_to_reported_56C_J_kg": 20000.0,
      "Wei_source": "https://doi.org/10.1364/OL.39.002599",
      "evidence": "Source-specific values kept separate, not averaged into a universal constant"
    },
    "source_checks": [
      {
        "source": "https://doi.org/10.1021/acs.jpca.9b02566",
        "finding": "Water alpha printed as 0.143 m2/s; k/(rho cp)=1.4330069262e-7 m2/s.",
        "action": "Use consistent derived diffusivity; preserve source transcription and flag likely missing power of ten."
      },
      {
        "source": "https://doi.org/10.1021/acs.jpca.9b02566",
        "finding": "PF5 and PF6 diffusivity values agree with k/(rho cp) at printed precision.",
        "action": "Use derived values with the same constant-coefficient card."
      },
      {
        "source": "https://doi.org/10.1039/D3RA05639B",
        "finding": "PFP Cp converts to 652.704 J/(kg K), versus 1088 in Zhang.",
        "action": "Preserve separate source cards; temperatures/upstream basis need reconciliation before calibrated thermal prediction."
      }
    ],
    "formulation_reference": {
      "source": "https://doi.org/10.1021/acs.jpca.9b02566",
      "source_location": "PDF page 11 / manuscript page 10",
      "structure": "W1/O/W2 double emulsion with surface gold nanorods",
      "diameter_reported_m": [
        3e-07,
        5e-07
      ],
      "PFP_interfacial_tension_N_m": {
        "mean": 0.00114,
        "reported_plus_minus": 0.00025
      },
      "PF6_paper_label_interfacial_tension_N_m": {
        "mean": 0.00159,
        "reported_plus_minus": 0.00016
      },
      "these_are_neat_liquid_surface_tensions": false,
      "target_assignment": false
    },
    "remaining_target_data": "Exact batch/core/shell/absorber and state-dependent properties, EOS/kinetics and carrier rheology remain separate inputs; their absence does not prevent named literature controls."
  },
  "material_reference_policy": "Use named literature cards now for controls/sensitivity; characterize target assignment and state extrapolation separately. Reuse material evidence, not previous simulation results."
}
