Flow and heat transfer characteristics of drag reducing surfactant solution in a helically coiled pipe

Engineering & Materials Science

• Surface active agents 100%
• Drag 82%
• Pipe 69%
• Heat transfer 61%
• Turbulent flow 34%
• Water 31%
• Drag reduction 27%
• Nonionic surfactants 17%
• Amines 13%
• Laminar flow 12%
• Flow velocity 11%
• Tapes 11%
• Impurities 11%
• Heat transfer coefficients 10%
• Heat flux 10%
• Oxides 9%
• Boundary conditions 8%
• Degradation 7%
• Friction 7%
• Fluids 7%
• Temperature 4%
• Experiments 4%

Physics & Astronomy

• surfactants 87%
• drag 87%
• heat transfer 71%
• turbulent flow 32%
• drag reduction 29%
• water flow 27%
• water 19%
• zwitterions 18%
• friction factor 15%
• amines 13%
• Newtonian fluids 12%
• heat transfer coefficients 12%
• laminar flow 11%
• tapes 11%
• heat flux 10%
• coils 9%
• flow velocity 9%
• degradation 8%
• boundary conditions 8%
• impurities 7%
• oxides 7%
• temperature 3%

Chemical Compounds

• Heat Transfer 98%
• Surfactant 62%
• Flow 59%
• Reduction 34%
• Non-Newtonian Behaviour 23%
• Transfer Coefficient 18%
• Chemical Depolymerization 17%
• Zwitterion 17%
• Nonionic Surfactant 15%
• Coil 14%
• Velocity 12%
• Heat 11%
• Amine 9%
• Length 9%
• Oxide 8%