Study on The Hydroforming of Radial Micro-channels for Flat Heat Pipe and Thermal Performance Testing
|關鍵字:||液壓成形，平板式熱管，輻射狀微流道，有限元素;Hydroforming, Radial Flat Heat Pipe, Radial micro-channels, Finite Element Analysis|
In this study, a high-pressure hydroforming apparatus with a maximum working pressure of 250MPa was used to fabricate the wick structures for the flat heat pipe. Copper sheets (C1100) with a thickness of 0.15 mm were tested in the hydroforming experiment. At the same time, finite element analysis (Abaqus/Explicit) was used to analyze the hydroforming process numerically. A finite element model of sheet metal hydroforming was based on material properties gotten from material testing, and conditions of hydroforming. And this research compared the results of simulation and hydroforming experiment to verify the accuracy of the finite element model. After that, this finite element model was used to predict the formability of radial micro-channels to decide experiment parameters of hydroforming. A radial flat heat pipe was assembled with hydroformed radial micro-channels and filled with water as working fluid in vacuum environment. Then, thermal performance experiments were conducted by using different amount of working fluid, and subsequently this radial flat heat pipe was also used on cooling LED practically.
|Appears in Collections:||Thesis|
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