In order to study the heat transfer performance of low temperature radiation micro-grooved heat pipe radiator,an experimental system of the micro-grooved heat pipe radiator based on the water-air heat transfer path is built and tested.The results show that the heat transfer power of the heat sink with the heating end size of 0.9 m×0.5 m×0.003 m is about 273 W when it works stably under the test conditions.Then,the thermal resistance analysis model of the heat transfer process of the heat sink is established,and the calculation formulas of the thermal resistance of the three major parts of the micro-grooved heat pipe radiator and its subdivisions are given,and the corresponding thermal resistance values are calculated according to the experimental data.Finally,through the comparison of each subdivision thermal resistance,the weak links of the heat transfer process of the system are analyzed,and the measures to strengthen the heat transfer are put forward.
关键词
微槽道热管散热器/传热功率/热阻/蒸发/冷凝
Key words
micro-grooved plate heat pipe radiator/heat transfer power/thermal resistance/evaporation/condensation