PPT Slide
Heat Transfer Processes in Capillary Porous Structures
- Wick is filled with liquid. Conduction and convection across the liquid layer with vaporization at the liquid-vapour interface.
Limiting effects to the heat transfer in porous media
- Liquid layer recedes into a sublayer of the wick to minimize pressure drop.
- Bubbles coalesce together, blocking the wick and forming a layer of vapour adjacent to the heater.