
What is the mystery of turbulence? - Physics Stack Exchange
Mar 11, 2013 · What is called turbulence are precisely those states where the flow is irregular. However as this transition to turbulence depends on the constituents and parameters of the …
Why is turbulence dissipation $\epsilon$ defined this way?
Oct 3, 2020 · This term is turbulence kinetic energy dissipation rate $\epsilon$, which represents the rate at which Kolmogorov eddies energy is converted back into the flow’s internal energy. I …
Are there any exact examples of non-laminar flow?
Jun 17, 2025 · The words like "non-laminar flow" or "turbulence" are very very informal. It is a nontrivial task to endow these words with a mathematically correct sense. Usually these words …
turbulence - Physical Explanation for "Kolmogorov -5/3 spectrum" …
According to Kolmogorov, the energy spectrum function of a turbulent fluid is given as, E(k) = Cϵ2 3k−5 3 E (k) = C ϵ 2 3 k 5 3 where ϵ ϵ is the energy flux and k= 2π r k = 2 π r where r r is the …
turbulence - Frequency wavenumber - Physics Stack Exchange
Apr 1, 2020 · Usually, when you have to go from frequency to wavenumber you have to adopt the following equation: $$k = \\frac{2\\pi f}{U}$$ where k is the wavenumber, f is the ...
What does “eddy” mean in turbulence? - Physics Stack Exchange
Sep 26, 2022 · a newbie in turbulence study, very confused about the concept of eddy, I feel the word "eddy" having two meanings in fluid-mechanics maybe more and i'm not sure …
What are the length and time scales in turbulence?
Oct 1, 2013 · I haven't been able to understand what are does someone mean by length and time scales, while talking about turbulence. Can someone explain it?
About turbulence modeling - Physics Stack Exchange
There are examples of turbulence which are effectively described by field theoretical methods using a Hamiltonian because they possess scale separation. In particular, weak (where the …
What causes wind gusts? - Physics Stack Exchange
Dec 26, 2022 · In this Wikipedia article, Turbulence is caused by excessive kinetic energy in parts of a fluid flow, which overcomes the damping effect of the fluid's viscosity. For this reason …
how to determine if a vortex is laminar or turbulent
How do I determine if the vortex so formed is laminar or turbulent? The flow in your case will have some 'lamina' features and be fully turbulent. To establish the dominating factor in this case …