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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>\left(\bar{u}_1\frac{\partial }{\partial{x}} = \frac{\partial}{\partial{t}}\right)</math>


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