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Michigan Technological University

Heat Transfer, Combustion

Annular flow boiling

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Full-Text Articles in Mechanical Engineering

Experimental Investigations Of Temperature Controlled Innovative Annular Flow-Boiling Of Fc-72 In Millimeter Scale Ducts – Steady And Enhanced Pulsatile Realizations, Patcharapol Gorgitrattanagul Jan 2017

Experimental Investigations Of Temperature Controlled Innovative Annular Flow-Boiling Of Fc-72 In Millimeter Scale Ducts – Steady And Enhanced Pulsatile Realizations, Patcharapol Gorgitrattanagul

Dissertations, Master's Theses and Master's Reports

Steady and steady-in-the-mean shear driven annular flow-boiling is experimentally investigated in this thesis. By annular flow-regime one means separated liquid and vapor flows with the flowing liquid film staying on the boiling-surface.

The goals for the steady annular flow-boiling operations are to better understand relative importance of heat-transfer mechanisms (nucleation versus convective phase-change, with convective meaning absence of nucleation) and to develop better quantitative characterizations/correlations for heat-transfer rates. The goals for the steady-in-the-mean annular investigations was to explore improved means of significantly increasing heat transfer rates - while retaining the flow-regime's annularity.

The experimental investigations (with FC-72 as a working …