
1: The Turbulence Problem. 1.1 The Meaning of 'Turbulence' 1.2 Two Fundamental Aspects of Turbulence 2: The Net Energy Balance. 3: The Interchange of Energy Between States of Motion. 4. Some Remarks. 4.1. On the Harmonic Analysis. 4.2. On the Concept of Isotropy. 4.3. On the...