Heat transfer 114 TJ Mechanical engineering and machinery 106 Technology: general issues 78 QA Mathematics 77 History of engineering and technology 73 heat transfer 41 Nanofluidics 35 Mass transfer 30 Cooling 28 Research & information: general 28 TP Chemical technology 26 Heat flux 25 Thermal conductivity 24 Nanofluids 22 Flow of fluids 21 Heat transfer coefficients 21 Performance 20 Reynolds number 20 Heat convection 19 Nusselt number 19 Boundary layers 18 Computational fluid dynamics 18 History of engineering & technology 18 Friction 17 Heat and mass transfer 17 Magnetohydrodynamics 17 Nanoparticles 17 Ordinary differential equations 17 Numerical methods 16 T Technology (General) 16