Effect of liquid-vapor phase distribution on the heat transfer mechanisms during flow boiling in minichannels and microchannels

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Title: Effect of liquid-vapor phase distribution on the heat transfer mechanisms during flow boiling in minichannels and microchannels
Author: Kandlikar, Satish
Abstract: Heat transfer during flow boiling in minichannels and microchannels is intimately linked to the liquid-vapor phase distribution in the channels. The vapor phase exists as nucleating bubbles, dispersed bubbles, elongated bubbles, an annular core, or all vapor flow completely filling the channel. Similarly, the liquid can exist as bulk liquid, slugs, thin film on the heated wall, or dispersed droplets. A detailed analysis of various structures, supported by high-speed video images, is carried out, and the effects on the associated heat transfer rates are discussed. This information provides insight into the flow boiling mechanisms and guidance for future research in this area.
Description: RIT community members may access full-text via RIT Libraries licensed databases: http://library.rit.edu/databases/
Record URI: http://hdl.handle.net/1850/5500
Publishers URL: http://dx.doi.org/10.1080/01457630500341607
Date: 2006

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