APPROXIMATIONS FOR STEADY-STATE ISOTROPIC TURBULENCE,
Abstract
The direct-interaction approximation for turbulence maintained by stationary, isotropic, random stirring forces is formulated in the wavenumberfrequency domain. Further, simplifying approximations are made. The final equations involve the wavenumber energy-spectrum, a characteristic correlation frequency for each wavenumber, and a characteristic response frequency for each wavenumber. A relation is exhibited between the simplified equations and a Fokker-Planck type approximation recently proposed by S. F. Edwards. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Sep 01, 1963
- Accession Number
- AD0425829
Entities
People
- Robert H. Kraichnan
Organizations
- New York University