The effective thermal conductivity of grooved capillary structures of triangular and rectangular shapes within the range of liquid-phase/metal thermal conductivities from 0.1 to 0.001 has been investigated with the help of the electrothermal analogy method. The dependences for calculating the effective conductivity of such structures under the conditions of evaporation and condensation have been obtained. The thermal model was based on the superposition principle of separate thermal resistances. The estimated values are in good agreement with experimental data obtained for a flat heat pipe. The results permitted optimization of the parameters of cooling systems with heat pipes.
3rd International Heat Pipe Conference
- Pub Date:
- Heat Pipes;
- Thermal Conductivity;
- Cooling Systems;
- Thermal Resistance;
- Fluid Mechanics and Heat Transfer