3D Heat Transfer Analysis of a Miniature Copper-Water Vapor Chamber with Wicked Pillars Array

Table 1

Specifications of the structure of the two vapor chambers.

	With wicked pillars	Without wicked pillars
Material of chamber	Copper	Copper
Material of wick	Sintered copper powder	Sintered copper powder
Working medium	Distilled water	Distilled water
Size of chamber	80mm×80mm×4mm	80mm×80mm×4mm
Thickness of chamber	0.8 mm	0.8 mm
Thickness of wick	0.5 mm	0.5 mm
Area of heat source	25mm×25mm	25mm×25mm
Area of cooling surface	70mm×70mm	70mm×70mm
Diameter of wicked pillars	5 mm	—
Height of wicked pillars	1.4 mm	—
Number of wicked pillars	36	—