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== Turbulence Spectrum ==
== Turbulence Spectrum ==


Taylor's Frozen Turbulence for converting temporal to spatial measurements <math>\left(\bar{u}_1\frac{\partial
}{\partial{x}} = \frac{\partial}{\partial{t}}\right)</math>





Revision as of 14:15, 12 March 2021

Turbulence Spectrum

Taylor's Frozen Turbulence for converting temporal to spatial measurements [math]\displaystyle{ \left(\bar{u}_1\frac{\partial }{\partial{x}} = \frac{\partial}{\partial{t}}\right) }[/math]


Symbol Description Eqn Units
[math]\displaystyle{ \epsilon }[/math] Turbulent kinetic energy dissipation W/kg
[math]\displaystyle{ f }[/math] Frequency [math]\displaystyle{ \frac{\omega}{2\pi} }[/math] Hz
[math]\displaystyle{ f_n }[/math] Nyquist frequency [math]\displaystyle{ f_n=0.5f_s }[/math] Hz
[math]\displaystyle{ f_s }[/math] Sampling frequency [math]\displaystyle{ \frac{1}{\Delta t} }[/math] Hz
k Wavenumbers (angular) rad/m
[math]\displaystyle{ \hat{k} }[/math] Wavenumbers [math]\displaystyle{ \frac{k}{2\pi} }[/math] cpm
[math]\displaystyle{ \Delta t }[/math] Sampling interval [math]\displaystyle{ \frac{1}{f_s} }[/math] s
[math]\displaystyle{ \omega }[/math] Angular frequency [math]\displaystyle{ 2\pi f }[/math] rad/s