*Nominal Ambient Oxygen Concentration*[%], O_{2}Mole fraction of ambient oxygen in the vessel. Used for simulating the use of EGR or creating an inert (0% O

_{2}) environment. Concentrations of other major species (N_{2}, CO_{2}, H_{2}O) .*Nominal Ambient Temperature*[K], T_{a}Gas temperature of the core region of the vessel. Uniformity of core temperature.

*Nominal Ambient Density*[kg/m^{3}], ρ_{a}Gas density of the core region of the vessel.

*Nozzle Size or Orifice Diameter*[mm], dSmallest diameter of injector nozzle. Detailed description of injector tips and orifice flow coefficients.

*Nominal Injection Pressure*[MPa], DP**Difference**_{inj}Difference between fuel injector pressure and ambient gas pressure.

*Nominal Injector Duration*[ms]Nominal actual injection duration, searchable value. Fuel properties.

*Fuel Type*Fuel type.

*Nominal Fuel Temperature*[K], T_{fl}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], T_{b}Mass-averaged bulk temperature (T

_{b}) determined from the real-gas equation of state (P = Z · R · ρ · T_{b}/MW), where ρ is constant for a given experiment and P is pressure. Detailed description.*Actual Ambient Density*[kg/m^{3}]Actual ambient density.

*Ambient Density After Ignition Standard Deviation*[kg/m^{3}],Actual ambient density Standard deviation.

*Ambient Density After Ignition Uncertainty*[kg/m^{3}],Actual mean ambient density Uncertainty.

*Bulk Density*[kg/m3], ρ_{b}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], PMean ambient pressure.

*Ambient Compressibility Factor*, ZP=Z·R·ρ

_{a}·T_{a}*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.

*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.