... rates. Time versus bubble radius. Spherical bubble growth rates. Time versus bubble radius. Figure 5 shows bubble departure of a single vapor bubble under nucleate boiling conditions with mass transfer at the bubble interface through one cycle. At t  = 0.0 s the initial patch of vapor...

... the lumped value of the effective diffusivity for the mass transfer process in the course of drying propellants. Analytical solutions for the effective diffusivity at planar, cylindrical, and spherical geometries are obtained. These solutions are used to investigate effects of the propellant geometry...

... of this investigation was the transition regime, which occurred at Re = 2250–3010. Various measurements were recorded during the experiments using a hot-wire anemometer, an infrared thermometer, and a thermopile heat flux sensor; the mass transfer was measured using the naphthalene sublimation technique. The stagnation...

... and both were allowed to evaporate simultaneously. The evaporation dynamics were monitored using optical imaging techniques for varied separation (both horizontal and vertical) distances between them. Our observations reveal curtailed mass transfer rate from both the droplets although the evolution...

... obtained showed that with combined effects of suction/injection and nonlinear thermal radiation, the heat transfer rate is directly proportional to the angle of inclination but inversely proportional to plate shear stress and mass transfer rate. Furthermore, it was observed that the heat transfer rate...

... element method to analyze mass-transfer problem in a homogeneous vitreous using simplified cylindrical vitreous body model. They accurately describe the geometry of the eye, and both diffusive and convective mass transfers were taken into account. However, as already mentioned, the vitreous humor...

...Pei Fu; Jian Yang; Qiuwang Wang Microstructure modification of thick anode is an effective way to enhance cell performance of the anode-supported planar solid oxide fuel cells (SOFCs). In this work, the influence of multilayer anode microstructure with gradient porosity on cell mass transfer...

... chosen near the resonance at 65 Hz and 69 Hz. Four experimental methods were used: phase-locked visualization of the oscillating nozzle lips, jet momentum flux measurement using a precision scale, hot-wire anemometry, and mass transfer measurement using the naphthalene sublimation technique. The results...

.... Assoc. Editor: Oronzio Manca. 08 05 2013 06 11 2013 The distributions of the mass transfer coefficient in horizontal 90 deg bends were measured under a range of two phase annular flow conditions. A dissolving wall technique at a high Schmidt number (Sc = 1280) is used...

.... A comparison of the numerical results with previously published results for special cases shows a good agreement. The effects of the nonlinear temperature and concentration parameters on the velocity and heat and mass transfer are shown graphically. A representative sample of the results is presented showing...

... condensation on the tube surface under different conditions are included in the paper. Marangoni condensation steam-ethanol mixture heat transfer mass transfer phase change heat-transfer enhancement Condensation of vapor mixtures has been widely studied for many years. In most cases...

...Steven B. Beale; Jon G. Pharoah; Ashwani Kumar Superscripts — = mean, overall value * = in the limit of negligible rate of mass transfer ″ = per unit area · = per unit time References [1] Da Costa , A. R. , and Fane , A. G. , 1994 , “ Net-Type Spacers...

...Si-Min Huang; Li-Zhi Zhang; Kai Tang; Li-Xia Pei The fluid flow and conjugate heat and mass transfer across a hollow fiber membrane tube bundle used for liquid desiccant air dehumidification are investigated. In this process, humid air flows across the fiber bank and salt solution flows inside...

.... , 2010 , “ A Numerical Simulation for Mass Transfer Through the Porous Membrane of Parallel Straight Channels ,” Int. J. Heat Mass Transfer , 53 , pp. 2404 – 2413 . 10.1016/j.ijheatmasstransfer.2010.01.043 3 Tu , J.-W. , Ho , C.-D. , and Chuang , C.-J. , 2009 , “ Effect...

...Sadia Hina; Tasawar Hayat; Saleem Asghar; Mohammed Shabab Alhothuali; Adnan Alhomaidan This paper discusses the effects of magnetic field and heat and mass transfer on the peristaltic flow of an incompressible fluid in a channel with compliant walls. Mathematical formulation for the fourth grade...

... mass transfer Momentum and heat transfer in a viscoelastic boundary layer over a linear stretching sheet have been studied extensively in recent years because of their ever-increasing usage in the polymer processing industry, in particular, in manufacturing processes of artificial films...

...R. R. Kairi; P. V. S. N. Murthy In this paper, we investigate the influence of melting on mixed convection heat and mass transfer from vertical flat plate in a non-Newtonian fluid-saturated non-Darcy porous medium including the prominent Soret effect. The wall and the ambient medium are maintained...

... characteristics and poor kinetics demand special attention to the thermal design of the storage devices. Comprehensive discussion on thermal design and heat and mass transfer aspects of metal hydride based hydrogen storage devices have been made by the author [( 1 2 3 )]. A typical metal hydride based...

..., a method that consumes a precious fossil fuel while emitting carbon dioxide to the atmosphere. An overview of high temperature electrolysis technology will be presented, including basic thermodynamics, experimental methods, heat and mass transfer phenomena, and computational fluid dynamics modeling. 12...

...Dominique Gobin; Benoît Goyeau In many industrial processes or natural phenomena, coupled heat and mass transfer and fluid flow take place in configurations combining a clear fluid and a porous medium. Since the pioneering work by Beavers and Joseph (1967), the modeling of such systems has been...