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    • Dimensionless numbers
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        mass density

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        mass density#

        $$\rho \sim \text L^{-3}\,\text M$$

        Mass per unit volume of a substance. A fundamental thermodynamic property that depends on temperature and pressure; its spatial variation underpins buoyancy-driven flows and stratification.

        Used in#

        • Archimedes number
        • Bond number
        • Cauchy number
        • Cavitation number
        • Drag coefficient
        • Euler number
        • Laplace number
        • Lift coefficient
        • Ohnesorge number
        • Pressure coefficient
        • Reynolds number
        • Skin-friction coefficient
        • Stanton number
        • Weber number
        • Womersley number

           

        Encyclopedia of dimensionless numbers - © 2026 Michal Habera and Andreas Zilian.
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