- Nominal Ambient Oxygen Concentration [%], O2
Mole fraction of ambient oxygen in the vessel. Used for simulating the use of EGR or creating an inert (0% O2) environment. Concentrations of other major species (N2, CO2, H2O) . - Nominal Ambient Temperature [K], Ta
Gas temperature of the core region of the vessel. Uniformity of core temperature. - Nominal Ambient Density [kg/m3], ρa
Gas density of the core region of the vessel. - Nozzle Size or Orifice Diameter [mm], d
Smallest diameter of injector nozzle. Detailed description of injector tips and orifice flow coefficients. - Nominal Injection Pressure Difference [MPa], DPinj
Difference between fuel injector pressure and ambient gas pressure. - Nominal Injector Duration [ms]
Injection duration is actual hydraulic injection and not electronic command to injector. - Fuel Type
Fuel type. Fuel properties. - Nominal Fuel Temperature [K], Tfl
Nominal Fuel Temperature. - Institution
Name of the institution that recorded select data. - File Base Name
Experimental naming structure plus fuel type, fuel temperature, and injector duration. - Date
Date experiment was performed. - Readme
Readme. - References
List references to data/experiment. - Keywords
Keywords in categories such as Evidence of Specific Physics, Diagnostics, etc. - Actual Oxygen Concentration [%],
Actual ambient oxygen mole fraction. - Actual Oxygen Concentration Uncertainty [%],
Actual ambient oxygen mole fraction uncertainty. - Ambient Components [%],
Actual mole fraction for all species, major and minor species. - Ambient Components Uncertainty [%],
Uncertainty for all species mole fraction, major and minor species. - Ambient Molecular Weight [K]
Ambient molecular weight. - Ambient Temperature at Ignition [K]
Actual mean ambient core temperature at start of injection. - Ambient Temperature at Ignition Standard Deviation [K]
Actual ambient core temperature Standard Deviation. - Ambient Temperature at Ignition Uncertainty [K]
Actual mean ambient core temperature Uncertainty. - Bulk Temperature [K], Tb
Mass-averaged bulk temperature (Tb) determined from the real-gas equation of state (P = Z · R · ρ · Tb /MW), where ρ is constant for a given experiment and P is pressure. Detailed description. - Actual Ambient Density [kg/m3]
Actual ambient density. - Ambient Density After Ignition Standard Deviation [kg/m3],
Actual ambient density Standard deviation. - Ambient Density After Ignition Uncertainty [kg/m3],
Actual mean ambient density Uncertainty. - Bulk Density [kg/m3], ρb
Mass-averaged bulk density. The initial density of combustion vessel charge, prior to preburn and diesel injection. Bulk density is constant for a given experimental simulation. - Ambient Pressure [MPa], P
Mean ambient pressure. - Ambient Compressibility Factor , Z
P=Z·R·ρa·Ta - Ambient Compressibility Factor Uncertainty
Compressibility factor at time of injection Uncertainty. - Ambient Mean Velocity [m/s]
Ambient mean velocity, could be link to spatially-resolved text file. - Ambient Mean Velocity Uncertainty [m/s]
Ambient mean velocity Uncertainty. - Ambient Velocity Turbulence [m/s]
Ambient velocity turbulence intensity; file. - Ambient Velocity Turbulence Uncertainty [m/s]
Ambient velocity turbulence intensity Uncertainty; file. - Vessel Geometry
Dimensions of vessel; could be 3d solid model, etc… - Actual Mean Injection Pressure [MPa]
Actual mean injection pressure. Absolute, not pressure difference. - Injection Pressure Standard Deviation [MPa]
Injection pressure Standard deviation. - Injection Pressure Uncertainty [MPa]
Mean injection pressure Uncertainty. - Actual Mean Fuel Temperature [K]
Actual mean fuel temperature. - Mean Fuel Temperature Standard Deviation [K]
Fuel temperature Standard deviation. - Mean Fuel Temperature Unvertainty [K]
Mean fuel temperature Uncertainty. - Mean Nozzle Temperature [K]
Mean nozzle temperature. - Mean Nozzle Temperature Standard Deviation [K]
Nozzle temperature Standard deviation. - Mean Nozzle Temperature Uncertainty [K]
Nozzle temperature Uncertainty. - Mean Mass Rate of Injection [mg/ms]
Mean mass rate of injection versus time. - Estimated Injection Duration [ms]
Average injection duration determined by attenuation of HeNe laser positioned 7 mm in front of injector. - Injection Duration Standard Deviation [ms]
Injection duration standard deviation. - Injection Duration Uncertainty [ms]
Injection duration uncertainty. - Estimated Injection Mass [mg]
Injected mass estimated from measured injection duration, and using injector calibration. See Equation 4 from here. Injector opening and closing effects are included by subtracting 0.15 ms from the measured injection duration for use in Eq. 4. - Injection Mass Standard Deviation [mg]
Injection mass Standard deviation. - Injection Mass Uncertainty [mg]
Mean injection mass Uncertainty. - Steady Flow Discharge Coefficient
Discharge coefficient, steady flow. - Steady Flow Discharge Coefficient Uncertainty
Discharge coefficient Uncertainty. - Steady Flow Are Contraction Coefficient
Area contraction coefficient for steady flow. - Area Contraction Coefficient Uncertainty
Area contraction coeff Uncertainty. - Actual Effective Nozzle Diameter [mm]
Actual effective nozzle diameter. - Actual Nozzle Diameter Uncertainty [mm]
Actual nozzle diameter Uncertainty. - Actual Upstream Nozzle and Injector Geometry
Actual upstream nozzle and injector geometry, K factor. - Needle Position vs Time [mm]
Needle position vs time. - Needle Position vs Time Uncertainty [mm]
Needle position vs time Uncertainty. - Liquid Length [mm]
The maximum extent of liquid-phase spray penetration during injection. - Fuel Properties
Link to various fuel properties. - Jet Penetration [mm]
Text file giving the penetration distance of the jet/vapor boundary versus time. Detailed description. - Spread Angle[degrees]
A text file called “spreadAngle.txt” could have SA versus time, description of definition/threshold for the angle, uncertainty, etc.. - Mixing
2D data includes time ASI, F/A ratio, Uncertainty, Instantaneous images, whatever. - Pressure Rise [MPa]
Text file giving: time relative to start of injection [ms], speed of sound corrected time relative to start of injection [ms], raw pressure rise data, smooth pressure rise data, pressure rise standard deviation, pressure rise uncertainty, absolute pressure, ROHR, and total heat release. Detailed description. - Velocity
Velocity and turbulence within spray. - Combustion Species
Mole or mass fraction of combustion products, radicals or intermediates. Planar images or other spatial distributions given as text files. - Liquid Volume
Liquid volume fraction data, links. - Droplet Diameter [mm]
Droplet diameter distribution vs time ASI. - High-Speed Movies
Links to movies. Examples include chemiluminescence, soot, schlieren, shadowgraph, liquid scatter or extinction. Scale should be included. Preferred in [mm]. - Additional Files
Additional data and description for a given condition.