Heat transfer 114 TJ Mechanical engineering and machinery 66 QA Mathematics 52 heat transfer 41 Nanofluidics 35 Mass transfer 30 Cooling 27 Heat flux 25 Thermal conductivity 24 Nanofluids 22 Flow of fluids 21 Heat transfer coefficients 21 Reynolds number 20 Heat convection 19 Nusselt number 19 Performance 19 Boundary layers 18 Computational fluid dynamics 18 Friction 17 Heat and mass transfer 17 Magnetohydrodynamics 17 Nanoparticles 17 Ordinary differential equations 17 Numerical methods 16 T Technology (General) 15 Temperature 15 Natural convection 14 Phase change materials 14 Boundary layer flow 13 Drops 13