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Keywords: film condensation
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Journal Articles
Article Type: Research-Article
J. Heat Transfer. January 2021, 143(1): 011601.
Paper No: HT-20-1163
Published Online: October 7, 2020
... 2020 non-condensable gas film condensation heat and mass transfer similarity transformation Natural gas becomes a potential substitution of fuel coal in line with the adjustment of national energy structure in China, and it plays an important role in the energy-saving and environment...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. October 2011, 133(10): 101505.
Published Online: August 15, 2011
... = condensate film o = external sat = saturated tc = thermocouple v = vapor w = surface of tube wall References 1 Sparrow , E. W. , and Marschall , E. , 1969 , “ Binary Gravity-Flow Film Condensation ,” ASME J. Heat Tranfer , 91 , pp. 205 – 211...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. August 2011, 133(8): 081504.
Published Online: May 4, 2011
... 04 03 2011 04 05 2011 04 05 2011 bubbles capillarity chaos evaporation film condensation fluid oscillations heat pipes heat transfer liquid films pipe flow pulsatile flow oscillating pulsating heat pipe simulation The pulsating (or oscillating) heat pipe...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. April 2011, 133(4): 042901.
Published Online: January 19, 2011
...Wei Shao; Yuwen Zhang An advanced theoretical model of a U-shaped minichannel, a building block of a closed-end oscillating heat pipe, has been developed. Thin film evaporation in the evaporator and thin film condensation in the condenser, axial variation of surface temperature, and pressure loss...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. October 2010, 132(10): 101502.
Published Online: July 29, 2010
...S. Kulkarni; A. Narain; S. Mitra Accurate steady and unsteady numerical solutions of the full 2D governing equations—which model the forced film condensation flow of saturated vapor over a semi-infinite horizontal plate (the problem of Cess and Koh)—are obtained over a range of flow parameters...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. October 2010, 132(10): 101501.
Published Online: July 27, 2010
...Y. Liao This work presents a unique and unified formulation to solve the laminar film condensation two-phase boundary layer equations for the free, mixed, and forced convection regimes in the absence or presence of noncondensables. This solution explores the vast space of mixed convection across...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. November 2009, 131(11): 111501.
Published Online: August 26, 2009
...Gunnar Tamm; Daisie D. Boettner; Bret P. Van Poppel; Michael J. Benson; A. Özer Arnas Analytical solutions for laminar film condensation on a vertical plate are integral to many heat transfer applications, and have therefore been presented in numerous refereed articles and in most heat transfer...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. January 2009, 131(1): 011502.
Published Online: October 21, 2008
...V. Dharma Rao; V. Murali Krishna; P. K. Sarma; K. V. Sharma The problem of laminar film condensation of a vapor from vapor-gas mixture in laminar flow in a vertical parallel plate channel is formulated theoretically. The flowing gas-vapor mixture contains a noncondensable gas in high concentration...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. July 2008, 130(7): 071502.
Published Online: May 19, 2008
... model to analyze the problem of a downward condensate flow along a cool inclined surface in a porous medium. Liu et al. ( 19 ) supplied a similarity solution for film condensation in a porous medium with a lateral mass flux. Char et al. ( 20 ) investigated the problem of a mixed convection condensate...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. January 2008, 130(1): 012201.
Published Online: January 25, 2008
... in the present study have also been used to enhance heat transfer in the internal coolant channels for the trailing edge. blades cooling design engineering film condensation gas turbines turbulence 11 01 2006 21 03 2007 25 01 2008 2008 American Society...
Journal Articles
Article Type: Technical Papers
J. Heat Transfer. October 2007, 129(10): 1352–1372.
Published Online: February 10, 2007
... for the commonly occurring large heat sink situations, for which the condensing surface temperature (not heat flux) remains approximately the same for any given set of inlet conditions while the exit-condition changes. In this paper’s context of flows of a pure vapor that experience film condensation on the inside...
Journal Articles
Article Type: Technical Papers
J. Heat Transfer. November 2005, 127(11): 1207–1213.
Published Online: June 20, 2005
...Takahiro Murase; Adrian Briggs; Hua Sheng Wang; John W. Rose Measurements for film condensation of steam, R113 and ethylene glycol on a horizontal wire-wrapped tube are reported. All measurements were made at near atmospheric vapor pressure and with coolant at around 20 ° C . Care was taken...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. December 2004, 126(6): 906–914.
Published Online: January 26, 2005
...Arijit Dutta; S. K. Som; P. K. Das A theoretical study has been made to determine the heat transfer coefficient in film condensation of slowly downward flowing saturated vapor over horizontal noncircular tubes with progressively increasing radius of curvature drawn in the direction of gravity...
Journal Articles
Article Type: Technical Papers
J. Heat Transfer. October 2004, 126(5): 676–686.
Published Online: November 16, 2004
... management systems (looped heat pipes, etc.). The flow geometry, in normal or zero gravity, is chosen to be the inside of a channel with film condensation on one of the walls. In normal gravity, film condensation is on the bottom wall of a tilted (from vertical to horizontal) channel. It is found...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. August 2004, 126(4): 527–534.
Published Online: May 24, 2004
.... Manglik. 02 06 2003 24 05 2004 ammonia water film condensation heat transfer flow instability surface tension Binary Condensation Enhancement Surface Tension Ammonia-water mixtures are an industrially important working fluid, used in absorption...
Journal Articles
Article Type: Technical Papers
J. Heat Transfer. June 2002, 124(3): 491–499.
Published Online: May 10, 2002
... or for falling film condensation or evaporation. Previous studies have centered mostly on falling films on plain tube arrays. The objective of the present study is to extend the investigation to tubes with enhanced surfaces: a low finned tube, an enhanced boiling tube and an enhanced condensation tube...
Journal Articles
Article Type: Technical Notes
J. Heat Transfer. June 2002, 124(3): 573–576.
Published Online: May 10, 2002
...Chi-Chang Wang; Cha'o-Kuang Chen Mixed-convection film condensation with downward flowing vapors onto a finite-size horizontal wavy plate is studied by a simple mathematical model and the spline alternating-direction implicit method. Effects of the wavy geometry, the interfacial vapor shear...
Journal Articles
Article Type: Technical Papers
J. Heat Transfer. February 2002, 124(1): 94–101.
Published Online: August 14, 2001
...Hiroshi Honda; Huasheng Wang; Shigeru Nozu A stratified flow model of film condensation in helically grooved, horizontal microfin tubes has been developed. The height of stratified condensate was estimated by extending the Taitel and Dukler model for a smooth tube to a microfin tube. For the upper...
Journal Articles
Article Type: Technical Papers
J. Heat Transfer. June 2001, 123(3): 492–500.
Published Online: August 14, 2000
... effects. Shea , F. L. , and Krase , N. W. , 1940 , “ Drop-Wise and Film Condensation of Steam ,” Transactions of the American Institute Chemical Engineering , 36 , pp. 463 – 487 . Slegers , L. , and Seban , R. A. , 1969 , “ Nusselt Condensation of n -Butyl Alcohol...
Journal Articles
Article Type: Technical Papers
J. Heat Transfer. April 2001, 123(2): 294–300.
Published Online: January 21, 2000
...M. Mosaad, Professor The present theoretical study concerns with mixed-convection laminar film condensation outside an inclined elliptical tube with isothermal surface. The assumptions used are as in the classical Nusselt-Rohsenow theory, however, with considering the interfacial vapor shear...