User talk:Student0531/Coherent turbulent structures

Introduction

 * Consider simplifying the first sentence, maybe something like: Turbulent flows are complex multi-scale and chaotic motions that need to be classified into more elementary components.
 * 'Time averages statistics can (instead of could) be applied'.
 * 'but even these larger structures' seems unnecessary.
 * Can you provide a reference for the first studies that started in the 1930s?
 * 'and the dynamic properties govern' (instead of 'and then there are...that govern...').
 * What does the fully developed approximation means?

History and Discovery

 * Provide reference for Corrsin and Roshko data, and maybe also Hama's hydrogen bubble technique.
 * The ability to compute [...] produces (instead of produced).

Definition

 * Define all terms in the coherent vorticity formula.
 * Some coherent structures, such as vortex rings, etc. can be large-scale motions comparable to...

Characteristics

 * each coherent structure has its own...
 * increase in volume due to (instead of caused by)?
 * It is more believed that entrainment occurs... end of the sentence missing.
 * The next most significant properties are...
 * of such contours (not the such).
 * the contours of coherent vorticity constitute (not constitutes).
 * not only locate...but also identify (not identifies).

Formation

 * Put the reference at the end of the sentence, not at the beginning.
 * Coherent structures typically arise from the instability due to either ... (not either the instability due...)
 * such rapid changes lead (not leads).
 * structures [...] distort or interact (not distorts or interacts).

Lagrangian coherent structures

 * I would use: 'groups of invariant sets that cause...'

Hairpin vortices

 * from where the name originates.
 * It is believed that production and contributions to Reynold stress, occur...
 * Add reference about the 1991 definition of Robinson,s vortex structure.