Critical Density in Compressible Flow Formulas

Critical Density is defined as the density of the fluid at sonic conditions, when Mach number is one. And is denoted by ρ_cr. Critical Density is usually measured using the Kilogram per Cubic Meter for Density. Note that the value of Critical Density is always positive.

Formulas to find Critical Density in Compressible Flow

fxCritical DensityGo

List of variables in Compressible Flow formulas

fx Stagnation Density Go

fx Specific Heat Ratio Go

FAQ

What is the Critical Density?

Critical Density is defined as the density of the fluid at sonic conditions, when Mach number is one. Critical Density is usually measured using the Kilogram per Cubic Meter for Density. Note that the value of Critical Density is always positive.

Can the Critical Density be negative?

No, the Critical Density, measured in Density cannot be negative.

What unit is used to measure Critical Density?

Critical 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 Critical Density can be measured.

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