TURBULENT DRAG REDUCTION BY POLYACRYLIC ACID

Polyacrylic acid was synthesized to high molecular weight, then studied as a drag reducing agent in dilute solutions of variable pH and ionic strength, the polymer being in both non-ionized and polysalt forms. As the polymer varies from the non-ionized polycarboxylic acid in the form of a compact coil at pH 2 to the polycarboxylate salt in the form of a very highly extended coil in solutions of low ionic strength, its effectiveness in drag reduction continuously increases. (Modified author abstract)

• Supplemental Notes:
  • Journal Prepublication.
• Corporate Authors:

  Massachusetts Institute of Technology

  Department of Chemical Engineering
  Cambridge, MA  United States  02139
• Authors:
  • Banijamali, S H
  • Merrill, E W
  • SMITH, K A
  • Peebles, LHJ
• Publication Date: 1974-4-8

Media Info

• Pagination: 16 p.

Subject/Index Terms

• TRT Terms: Additives; Drag; Flow; Polymers; Shear stress; Turbulence; Walls
• Candidate Terms: Turbulent flow
• Old TRIS Terms: Drag reduction; Polymer additives; Wall shear stress
• Subject Areas: Design; Marine Transportation;

Filing Info

• Accession Number: 00057233
• Record Type: Publication
• Source Agency: National Technical Information Service
• Report/Paper Numbers: CED-DR-74-1
• Contract Numbers: N00014-67A-0204-0037
• Files: TRIS
• Created Date: Aug 28 1974 12:00AM