[PDF] Top 20 Exploration of the effect of surface roughness on heat transfer in microscale liquid flow
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Exploration of the effect of surface roughness on heat transfer in microscale liquid flow
... relative roughness parameter (R a ), the standard roughness parameter, was not ef- fective in fully explaining the different surfaces being ...the surface structures, five roughness parameters ... See full document
108
Experimental investigation on the effects of surface roughness on microscale liquid flow
... uniform roughness performance could be predicted in the laminar ...sawtooth roughness samples cause the results to converge to a single line for friction ...that roughness has an effect even ... See full document
119
Effects of structured roughness on fluid flow at the microscale level
... for surface wetting; the liquid does not fully contact the rough walls, and gases are trapped between some roughness ...when flow separation occurs over roughness elements, the ... See full document
105
Fundamental issues, mechanisms and models of flow boiling heat transfer in microscale channels
... fluxes, heat fluxes and working fluids ...different surface roughness of the test channels, channel dimension uncertainties, improper data reduction methods, flow boiling instabilities, ... See full document
131
Heat transfer enhancement by recirculating flow within liquid plugs in microchannels
... the effect of the vortices in droplets/plugs on the heat transfer process, it is necessary to characterize the interaction between the velocity field and the temperature ...the flow field in ... See full document
30
EFFECT OF USE OF SWIRL FLOW DEVICES TO IMPROVE HEAT TRANSFER RATE IN HEAT EXCHANGERS
... rotating flow and separated ...the flow. A separated flow can occur due to the fluid crossover through the ...develop heat transfer enhancement techniques in order to improve the ... See full document
9
Numerical study of vapor bubble effect on flow and heat transfer in microchannel
... Introduction Flow boiling in a con fined space involves many complex phenomena such as bubble nucleation, growth, departure, and ...phase liquid flow, phase change dominated by heat transfer ... See full document
11
Heat transfer enhancement in microchannels with liquid-liquid slug flow
... for flow formation is used here for generating oil- water slug ...slug flow is visualised with a Phantom high speed camera before introducing the flow to the heat transfer test ...the ... See full document
180
Heat transfer and fluid flow over microscale backward and forward facing step: A review
... 4. Flow regime ...the effect of the steps and the thermal conditions of the wall on the mainstream diminished at distances beyond ten times of step height in the transverse direction away from the heated ... See full document
28
Liquid and Flow Boiling Heat Transfer Inside a Copper Foam
... Considering the data reduction, in the case of flow boiling heat transfer measurements, the vapour quality at the inlet of the test section depends on the refrigerant conditions at the i[r] ... See full document
6
Unsteady flow and heat transfer in a thin film of Ostwald-de Waele liquid over a stretching surface
... and heat transfer within a thin liquid film on an unsteady stretching ...various heat exchangers and chemical processing equipment, ...and heat transfer ...thin liquid film ... See full document
11
The profile of liquid film’s flow on the surface roughness in vertically rotating disc contactor
... of liquid film on the surface of contact media with the different surface roughness provided the different kinds of flow ...the surface roughness in the nano scale, might ... See full document
6
The Effect Of Frequency On Flow And Heat Transfer Of A Heat Exchanger In An Oscillatory Flow Condition
... that heat transfer or gas channel volume is inversely proportional to ...of heat exchangers that were fabricated was approximately one order smaller than conventional scale heat exchangers and ... See full document
24
Microscale nonequilibrium heat transfer in technologies using intensive heat sources
... f microscale or nonequilibrium heat ...classical heat conduction i theory expressed by the Fourier law o f diffusion ..., heat conduction has been ...the heat i propagation character ... See full document
7
Numerical study of effect of staggering the artificial roughness on heat transfer coefficent
... artificial roughness on the absorber plate of solar air heater can significantly improve the performance of solar air ...of roughness element on the absorber plate also affects the performance of ... See full document
6
Heat Transfer and Fluid Flow over Wavy Channel or Surface
... of the wall due to strong pressure gradients and due to separation in flow. Fig. 6: Solution domain and grid for 2a/A = 0.20 [8] Jafar [9] propose a flow modeling in a baffle-fitted one millimeter ... See full document
5
The Effect of Surface Roughness on Skin Friction and Turbulence in Two Dimensional Flow
... .measurements and traversese One was used to measure the reference pressure, the other to measure the difference between the to-.. tal head at a station and the [r] ... See full document
116
Microscale Infrared Observation of Liquid Vapor Phase Change Process on the Surface of Porous Media for Loop Heat Pipe
... T.S. Zhao et al. conducted on theoretical modeling on evaporative heat transfer based on the visual study [10]. The experimental results support the results of numerical calculation such a formation of ... See full document
9
ESTIMATION OF RELAXATION AND THERMALIZATION TIMES IN MICROSCALE HEAT TRANSFER MODEL
... The DPL equation results from considerations concerning the parabolic two-temperature model (Al-Nimr, 1997; Chen and Beraun, 2001; Majchrzak and Poteralska, 2011; Majchrzak et al., 2009), in particular the energy ... See full document
9
Scalability of mass transfer in liquid-liquid flow
... To illustrate this effect, we again applied Rhodamine 6G to the water phase and took high-resolution photographs using a still camera (Nikon D200). Fig. 5 shows the phase distribution in the Corning AFR subject to ... See full document
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