CHEMISTRY GLOSSARY
Mach number → Machova značajka
Mach number (Ma) is a dimensionless quantity used in fluid mechanics, defined by
where v is velocity and c is the speed of sound.
Euler number → Eulerova značajka
Euler number (Eu) is a dimensionless quantity used in fluid mechanics, defined by
where p is pressure, ρ is density, and v is velocity.
Froude number → Froudova značajka
Froude number (Fr) is a dimensionless quantity used in fluid mechanics, defined by
where v is velocity, l is length, and g is acceleration due to gravity.
Knudsen number → Knudsenova značajka
Knudsen number (Kn) is a dimensionless quantity used in fluid mechanics, defined by
where λ is mean free path and l is length.
Lewis number → Lewisova značajka
Lewis number (Le) is a dimensionless quantity used in fluid mechanics, defined by
where a is thermal diffusivity and D is diffusion coefficient.
Strouhal number → Strouhalova značajka
Strouhal number (Sr) is a dimensionless quantity used in fluid mechanics, defined by
where l is length, f is frequency, and v is velocity.
Nusselt number → Nusseltova značajka
Nusselt number (Nu) is a dimensionless quantity used in fluid mechan-ics, defined by
where h is coefficient of heat transfer, l is length, and k is thermal conductivity.
Peclet number → Pecletova značajka
Péclet number (Pe) is a dimensionless quantity used in fluid mechanics, defined by
where v is velocity, l is length, and a is thermal diffussivity.
Prandtl number → Prandtlova značajka
Prandtl number (Pr) is a dimensionless quantity used in fluid mechanics, defined by
where η is viscosity, ρ is density, and a is thermal diffusivity.
Rayleigh number → Rayleighova značajka
Rayleigh number (Ra) is a dimensionless quantity used in fluid mechanics, defined by
where l is length, g is acceleration of gravity, α is cubic expansion coefficient, T is temperature, ρ is density, η is viscosity, and a is thermal diffusivity.
Citing this page:
Generalic, Eni. "Machova značajka." Croatian-English Chemistry Dictionary & Glossary. 29 June 2022. KTF-Split. {Date of access}. <https://glossary.periodni.com>.
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