The Scientific World Journal / 2014 / Article / Tab 5

Research Article

Heat Removal from Bipolar Transistor by Loop Heat Pipe with Nickel and Copper Porous Structures

Table 5

Main design parameters of the LHP.

 Total length (mm)130
 Active length (mm)86
 Outer/inner diameter (mm)28/26
 Size (length/height/width)118/89/40
Sintered copper powder
 Number of vapor grooves6
 Porosity (%)52–55
 Outer/inner diameter (mm)26/8
Sintered nickel powder
 Number of vapor grooves6
 Porosity (%)67–70
 Outer/inner diameter (mm)26/8
Compensation chamber
 Outer/inner diameter (mm)35/33
 Length (mm)110
Charge mass
 Distilled water60%
Vapor line
 Length (mm)670
 Outer/inner diameter (mm)6/4
Liquid line
 Length (mm)820
 Outer/inner diameter (mm)6/4
 Length (mm)420
 Outer/inner diameter (mm)6/4

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