Freestream Density in Lift Distribution Formulas

Freestream Density is the mass per unit volume of air far upstream of an aerodynamic body at a given altitude. And is denoted by ρ_∞. Freestream Density is usually measured using the Kilogram per Cubic Meter for Density. Note that the value of Freestream Density is always negative.

Lift Distribution formulas that make use of Freestream Density

fxLift at given Distance along WingspanGo

fxLift of Wing given Circulation at OriginGo

fxCirculation at Origin given Lift of WingGo

FAQ

What is the Freestream Density?

Freestream Density is the mass per unit volume of air far upstream of an aerodynamic body at a given altitude. Freestream Density is usually measured using the Kilogram per Cubic Meter for Density. Note that the value of Freestream Density is always negative.

Can the Freestream Density be negative?

Yes, the Freestream Density, measured in Density can be negative.

What unit is used to measure Freestream Density?

Freestream Density is usually measured using the Kilogram per Cubic Meter[kg/m³] for Density. Kilogram per Cubic Centimeter[kg/m³], Gram per Cubic Meter[kg/m³], Gram per Cubic Centimeter[kg/m³] are the few other units in which Freestream Density can be measured.

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