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Flow Boiling on Micropin Fins Entrenched Inside a Microchannel—Flow Patterns and Bubble Departure Diameter and Bubble Frequency
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Flow boiling of HFE 7000 in five parallel microchannels of 222 μm hydraulic diameter, each containing a single row of 24 in-line 100 μm pin fins, was investigated. High speed photography ...
Flow Boiling Heat Transfer on Micro Pin Fins Entrenched in a Microchannel
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Flow boiling of 1-methoxyheptafluoropropane (HFE 7000) in 222 μm hydraulic diameter channels containing a single row of 24 inline 100 μm pin fins was studied for mass fluxes from 350 kg/m2 s ...
Hydrodynamic Characteristics of Crossflow over MEMS-Based Pillars
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A parametric study was performed to reveal the hydrodynamic processes controlling crossflow over MEMS-based micro pin fin devices. Pressure drop experiments were conducted and used to obtain ...
Prediction of Leading-Edge Sheet Cavitation Inception on Hydrofoils at Low to Moderate Reynolds Number Flows
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The inception of leading-edge sheet cavitation on two-dimensional smooth thin hydrofoils at low to moderately high Reynolds number flows is investigated by an asymptotic approach and numerical ...
Laminar Flow Across a Bank of Low Aspect Ratio Micro Pin Fins
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Pressure drops and friction factors associated with the forced flow of de-ionized water over staggered and in-line circular/diamond shaped micro pin-fin bundles 100μm long with hydraulic diameter ...
Experimental Investigation of Single-Phase Microjet Array Heat Transfer
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The heat transfer performance of two microjet arrays was investigated using degassed deionized water and air. The inline jet arrays had diameters of 54 μm and 112 μm, a spacing of 250 μm, ...
Single-Phase Microscale Jet Stagnation Point Heat Transfer
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An investigation of the pressure drop and impingement zone heat transfer coefficient trends of a single-phase microscale impinging jet was undertaken. Microelectromechanical system (MEMS) processes ...
Flow Boiling of R134a in Circular Microtubes—Part I: Study of Heat Transfer Characteristics
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An experimental study of two-phase heat transfer coefficients was carried out using R134a in uniformly heated horizontal circular microtubes with diameters from 0.50 mm to 1.60 mm over a range ...
Flow Boiling of R134a in Circular Microtubes—Part II: Study of Critical Heat Flux Condition
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A detailed experimental study was carried out on the critical heat flux (CHF) condition for flow boiling of R134a in single circular microtubes. The test sections had inner diameters (ID) of ...
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