- Title of project: CHARACTERIZATION OF CRITICAL TWO-PHASE FLOW REGIMES FOR DESIGN OF COMPACT ENERGY SYSTEMS
- Funding agency (Optional):
- Description: The objective of this research is to
advance the science of thin films formation and evaporation in different
flow regimes in microchannels. Flow regimes involving thin films are
arguably the most intricate phenomena in the microchannel flow boiling
process that dictate heat and mass transfer and pressure drop. The
proposed study is enabled by a newly developed testing/sensing platform
capable of accurately measuring the magnitude, area of influence, and
time period of activation of flow boiling underlying microscale
transport events. The new measurement technique can resolve thermal
field in liquid films with thicknesses on the order of a micrometer,
forming in microseconds, and flow, become unstable and rupture/atomize
during transition from one flow regime to another. The measurement
method, for the first time, allows to relate the flow regimes thermo-
and hydrodynamics characteristics. The knowledge gained through the
experimental and analytical studies will be used in development of
predictive models for quantitative assessment of flow boiling heat
transfer and pressure drop. These models are key to the design and
performance evaluation of heat exchangers for compact and efficient
energy systems. - Restrictions/Constraints:
- Knowledge and skills needed:
- How to apply: Send your resume to Dr. Moghaddam
- Faculty contact/webpage: Dr. Saeed Moghaddam, saeedmog@ufl.edu, https://neslabs.mae.ufl.edu/
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