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RISImpact of Flow Dynamics on the Heat Transfer of Bubbly Flow in a Microchannel
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: During nucleate flow boiling, the bubble dynamics affect the liquid flow field and the corresponding heat transfer process through several distinct mechanisms. At the microscale, this effect is different than at the macro ...
An Experimental Study of Passive and Active Heat Transfer Enhancement in Microchannels
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An experimental study on singlephase heat transfer and fluid flow downstream a single microscale pillar in a microchannel was conducted. A secondary jet flow was issued from slits formed along the pillar. A comparison of ...
Condensation Heat Transfer in Ultracompact Minichannel Heat Exchangers
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: To improve condensation heat transfer performance in a variety of systems, reduced channel sizes are used. However, few studies have been performed on complete heat exchangers. Hence, condensation heat transfer coefficients ...
Critical Heat Flux Condition and Post-Critical Heat Flux Heat Transfer of Carbon Dioxide at High Reduced Pressures in a Microchannel
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Flow boiling heat transfer around the critical heat flux (CHF) condition at high reduced pressures of carbon dioxide in a 296-μm hydraulic diameter microchannel was experimentally studied. The CHF conditions for developing ...
Heat Transfer in Microchannels—2012 Status and Research Needs
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Heat transfer and fluid flow in microchannels have been topics of intense research in the past decade. A critical review of the current state of research is presented with a focus on the future research needs. After providing ...