...Mingyang Liu; Haixiao Liu A mechanistic model of film movements is developed based on the treatments on the annular flow field. The initial conditions at the inlet are determined by adopting a validated film thickness correlation of fully developed upward annular flow in vertical pipes. The overall...

.... 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...

... with varying degrees of success, and a recent correlation is identified for its superior predictive capability, evidenced by a mean absolute error of 21.7%. microgravity condensation annular flow Following the Apollo manned missions to the Moon in the 1960s and 1970s, interest shifted...

... and the magnitude of the heat transfer coefficient and its distribution along the channel. 11 08 2010 21 08 2011 11 04 2012 13 04 2012 condensation numerical model conjugate heat transfer annular flow microchannel Film condensation heat transfer in microchannels has received...

...A. Megahed; I. Hassan An analytical model is proposed to predict the flow boiling heat transfer coefficient in the annular flow regime in mini- and microchannel heat sinks based on the separated model. The modeling procedure includes a formulation for determining the heat transfer coefficient based...

... are studied. 18 08 2007 27 02 2008 07 08 2008 confined flow flow through porous media forced convection Navier-Stokes equations rotational flow annular flow forced convection heat transfer porous media In the past few decades, interactions in flow between a fluid...

... Thermal Protection ,” M.S. thesis, University at Buffalo, Buffalo, NY. heat exchangers phase change materials latent heat pipe flow thermal energy storage specific heat latent heat phase change material PCM micro encapsulation annular flow 2007 American Society of Mechanical...

... developed forced convection 3 4 5 6 7 8 9 . Sathymurthy et al. 10 investigated the problem of fully developed mixed (combined forced and free) convection for a Newtonian fluid in an eccentric annulus. Analytical Annular Flow Convection Heat Transfer Mixed Convection convection...

.... Vanka. 13 March 2002 05 February 2003 17 07 2003 swirling flow pipe flow heat transfer thermal diffusivity Annular Flow Computational Forced Convection Heat Transfer Turbulence An effect of promoting the turbulent transport of heat and momentum...

...Y. Feng; J. Seyed-Yagoobi The mechanism of heat transfer enhancement and pressure drop penalty in the presence of a radial electric field for the two-phase (liquid/vapor) annular flow is presented. The turbulence spectral theory shows that the radial electric field fluctuation changes the turbulent...

... . Manuscript received by the Heat Transfer Division March 13, 2002; revision received July 8, 2002. Associate Editor: C. Amon. 13 March 2002 08 July 2002 03 12 2002 convection pipe flow turbulence Annular Flow Experimental Forced Convection Heat Transfer Heat Exchangers...

...-dimensional, even at very low speed of rotation. When the Taylor number exceeds a critical value, Ta c , the recirculating flows in the grooves are superimposed on the Taylor vortices so that the flow is much more complicated than for a smooth annulus. Annular Flow Computational...

... measurement errors laminar flow Annular Flow Forced Convection Heat Transfer Inverse Laminar Inverse heat conduction problems concerned with the determination of the thermal boundary conditions, the initial condition, or the thermal properties of a heated body have been generally treated...

...T. A. Trabold; R. Kumar; P. F. Vassallo Local measurements were made in a droplet-laden vapor core in upward R-134a annular flow in a high aspect ratio vertical duct. These detailed measurements are unique in that they were performed at high pressures and low liquid-to-vapor density ratios. Using...

... from evaporation of a very thin liquid film covering the heated surface. The same phenomenon was always observed in annular flow in forced convective boiling ( 9 ) in which heat transfer is enhanced and boiling is suppressed by evaporation...

...S. Nozu; H. Honda A method is presented for estimating the condensation heat transfer coefficient in a horizontal, spirally grooved microfin tube. Based on the flow observation study performed by the authors, a laminar film condensation model in the annular flow regime is proposed. The model...

... that the dynamics of the temperature variations can be inferred from that of the velocity variations. 07 July 1998 26 Mar 1999 05 12 2007 Annular Flow Computational Heat Transfer Instability Mixed Convection Ball K. S. , Farouk B. , and Dixit V. C. , 1989...