Heat 126 Transmission Nanofluids 43 Heat exchangers 33 Fluid dynamics 24 Thermal properties 21 Mathematical models 9 Finite element method 8 Thermodynamics 8 Computational fluid dynamics 7 Dissertations 6 Dissertations, Academic 6 Nanostructured materials 6 Solar collectors 6 Convection 5 Fluid mechanics 5 Fouling 5 Graphene 5 Fibers 4 Heat pipes 4 Mass transfer 4 Microfluidics 4 Nusselt number 4 Solar energy 4 Suspensions (Chemistry) 4 Thermal analysis 4 Turbulence 4 ANSYS (Computer system) 3 Convection, Natural 3 Energy conservation 3