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Natural SciencesMaterials ScienceMechanical EngineeringFluid DynamicsFluid MechanicsPolymer EngineeringLow-reynolds-number FlowPolymer AdditivesPolymer PhysicsPolymer RheologyTurbulent FlowViscous FlowAdditive Effects On RheologyDrag ReductionLubricantsPolymer FrictionPolymeric Fluid DynamicsReynolds NumberReynolds Number EffectsTurbulent Pipe Flow
Abstract : A brief review is given of the literature on turbulent flow of high- polymer solutions. Laboratory experiments using rotating disks and turbulent pipe flow have led to generalizations as to characteristics of friction-reducing high polymers. Linear, high-molecular-weight, soluble polymers are shown to be most effective. The maximum drag reduction achievable by polymer addition appears to be a function of the Reynolds number of the flow.