The study of shear flow in micro wick structures
Date Issued
2009
Date
2009
Author(s)
Chen, In-Lun
Abstract
This paper presents a novel concept of fabricating flexible flat plate heat pipe and proposes two fabrication processes. PDMS is used as the substrate of flexible flat plate heat pipe. The flexible flat plate heat pipe can be arbitrary bent in repetition without causing permanent damages due to excellent mechanical properties of PDMS. The silicon wafer is used as the mold with conjugated micro-structures. Then, the PDMS fluid was cast on the silicon mold to form the substrate of the flexible flat plate heat pipe. The flexible flat plate was completed after filling of adequate working fluid inside. The micro-structure in the heat pipe is used as the wick structure, and the working fluid flows by capillary force along the wick structure in heat circulation. The mechanical properties and the variations of the working fluid inside the flexible flat plate heat pipe have been measured.
Subjects
Flexible flat plate heat pipe
wick structure
working fluid
capillary force
heat circulation
Type
thesis
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