Drag Reduction in Turbulent Flow of Polymer Solutions.
Abstract
Polyelectrolytes as drag reducing agents were studied; abnormal effects occurred only in dilute aqueous solutions free of added electrolyte. Extensional flows of polyisobutylene observed by light scattering indicate greater elongation than in shear flow, but work is unfinished. Onset of drag reduction studied with 'monodisperse' poly cis isoprene solutions indicate time based hypothesis gives better correlation than length based hypothesis and that there may be two different onset levels.
Document Details
- Document Type
- Technical Report
- Publication Date
- Oct 24, 1975
- Accession Number
- ADA017105
Entities
People
- Edward W. Merrill
- Kevin A. Smith
- R. C. Armstrong
Organizations
- Massachusetts Institute of Technology