Transient Response of a Flexible High-Performance Variable Conductance Heat Pipe

2009 ◽  
Author(s):  
Rob Leitch ◽  
Jay Ambrose
Keyword(s):  
Heat Pipe ◽  
Transient Response ◽  
High Performance ◽  
Performance Variable

Characterization of a high performance ultra-thin heat pipe cooling module for mobile hand held electronic devices

2017 ◽  
Vol 53 (11) ◽  
pp. 3241-3247 ◽  
Author(s):  
Mohammad Shahed Ahamed ◽  
Yuji Saito ◽  
Koichi Mashiko ◽  
Masataka Mochizuki
Keyword(s):  
Heat Pipe ◽  
High Performance ◽  
Electronic Devices ◽  
Cooling Module

Novel Fluorescent Visualization Method to Characterize Transport Properties in Micro/Nano Heat Pipe Wick Structures

2009 ◽  
Author(s):  
Pramod Chamarthy ◽  
H. Peter J. de Bock ◽  
Boris Russ ◽  
Shakti Chauhan ◽  
Brian Rush ◽  
...  
Keyword(s):  
Heat Pipe ◽  
High Performance ◽  
Gravitational Force ◽  
Driving Forces ◽  
Electronics Cooling ◽  
Heat Pipes ◽  
High Permeability ◽  
Permeability Characteristics ◽  
Wick Structure ◽  
Initial Results

Heat pipes have been gaining a lot of popularity in electronics cooling applications due to their ease of operation, reliability, and high effective thermal conductivity. An important component of a heat pipe is the wick structure, which transports the condensate from condenser to evaporator. The design of wick structures is complicated by competing requirements to create high capillary driving forces and maintain high permeability. While generating large pore sizes will help achieve high permeability, it will significantly reduce the wick’s capillary performance. This study presents a novel experimental method to simultaneously measure capillary and permeability characteristics of the wick structures using fluorescent visualization. This technique will be used to study the effects of pore size and gravitational force on the flow-related properties of the wick structures. Initial results are presented on wick samples visually characterized from zero to nine g acceleration on a centrifuge. These results will provide a tool to understand the physics involved in transport through porous structures and help in the design of high performance heat pipes.

High Performance Passive Solar Heating System with Heat Pipe Energy Transfer

1984 ◽  
pp. 367-372
Author(s):  
M. H. de Wit ◽  
J. L. M. Hensen ◽  
H. A. L. van Dijk ◽  
G. J. van den Brink ◽  
E. van Galen
Keyword(s):  
Energy Transfer ◽  
Heat Pipe ◽  
High Performance ◽  
Heating System ◽  
Solar Heating ◽  
Passive Solar
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