Heat Transfer Coefficient Depends On. The heat convection coefficient the most important parameter for the convection process is dependent on not only the wind velocity the speed of air convection near the pavement surface but also the pavement surface characteristics roughness 189190 189 190. Heat transfer coefficient depends on both the thermal properties of a medium the hydrodynamic characteristics of its flow and the hydrodynamic and thermal boundary conditions.
Figure 3 shows the flow over a flat surface. Air 10 to 100 wm2k water 500 to 10 000 wm2k. The local heat transfer coefficient is based on the local heat flux which does not depend on the total area.
All of the above.
Characteristics of the fluid flow. An energy balance on the absorber plate of area 1 δ x gives 364 s δ x u t δ x t p t a h c p a δ x t p t h r p b δ x t p t b where hcpa convection heat transfer coefficient from absorber plate to air wm2 k. The thermal properties of fluid. This implicit function is built using experimental data.