... to outflow. Streamlines in the corner regions on the horizontal midplane z ∕ H = 0.5 of wavy fins for two different values of the frontal velocity u f The distributions of temperature and mass flow rates of vapor condensing per unit area of the fin surfaces are shown in Fig...

...Z. G. Qu; W. Q. Tao; Y. L. He In this paper, a numerical investigation of air side performance of strip fin surface is presented. Three-dimensional numerical computation was made for a model of a two-row finned tube heat exchanger. The tube configuration is simulated with step-wise approximation...

... 2004 16 11 2004 heat transfer mass transfer temperature distribution optimisation Analytical Dehumidification Finned Surfaces Heat Exchangers Optimization Extended surfaces or fins are commonly used on the gas side of the heat exchangers to enhance the rate of heat...

... Condensation Enhancement Finned Surfaces Heat Transfer Efforts have been deployed in recent years toward designing heat exchangers that simultaneously meet the requirements of energy saving, size reduction and subsequent cost reduction. This has led to an extensive use of heat transfer augmentation...

... cooling strategies. Consequently, there is a significant ongoing effort in the gas turbine industry, federal laboratories, and academia directed at improving blade cooling technology. Cooling Finned Surfaces Heat Transfer Heat Exchangers Microstructures heat exchangers nickel...

...., and Joseph, D. D., 1990, Elementary Stability and Bifurcation Theory , 2nd ed., Springer-Verlag, New York. boiling numerical analysis film boiling heat conduction external flows convection bifurcation thermal analysis Boiling Enhancement Finned Surfaces Heat Transfer...

... coincide with the heat rate through the fin base and when the efficiency is calculated using this quantity values greater than unity are obtained in the first few instants of the transient period 4 . Finned Surfaces Heat Transfer classical mechanics...

... May 16, 2003. Associate Editor: K. S. Ball. 27 November 2002 16 May 2003 23 09 2003 forced convection external flows flow through porous media Computational Enhancement Finned Surfaces Forced Convection Heat Transfer Porous Media Laminar forced convection...

... March 2001 05 November 2002 17 07 2003 condensation heat transfer two-phase flow Bundles Condensation Enhancement Finned Surfaces Refrigeration In accordance with the international regulation on HCFCs (hydrochlorofluorocarbons), a number of zeotropic mixtures of HFC...

... . Manuscript received by the Heat Transfer Division August 12, 2002; revision received March 5, 2003. Associate Editor: H. Bau. 12 August 2002 05 March 2003 17 07 2003 natural convection laminar flow finite volume methods confined flow vortices Cavities Finned Surfaces...

... heat exchangers heat transfer statistical analysis Convection Data Analysis Energy Finned Surfaces Heat Transfer Heat Exchangers Parameter Estimation For design and analysis of heat exchangers, it is necessary to evaluate the average heat transfer coefficients, if not available...

...; revision received November 8, 2002. Associate Editor: H. S. Lee. 25 January 2002 08 November 2002 21 03 2003 gas turbines heat transfer channel flow surface topography cooling heat engines Enhancement Finned Surfaces Heat Transfer Rotating Turbines...

... permeability flow through porous media laminar flow boundary layers vortices external flows Computational Finned Surfaces Heat Transfer Natural Convection Laminar convection from a heated cylinder is an important problem in heat transfer. It is used to simulate a wide range of engineering...

... convection heat radiation temperature distribution nonlinear equations Conduction Convection Enhancement Finned Surfaces Radiation When fins dissipate heat by convection or by radiation (or both), the performance is significantly affected by variable thermal conductivity, particularly...

... applications. Besides being a simple benchmark geometry for study of complex flow phenomena, a cavity system can simulate a lubricating groove between sliding plates or approximate the separated flow in a surface cavity with an external stream flowing over it. Cavities Convection Finned Surfaces...

... difference methods Computational Finite Difference Finned Surfaces Heat Transfer Laminar Mixed Convection Laminar convection from a heated cylinder is an important problem in heat transfer. It is used to simulate a wide range of engineering applications as well as provide a better insight...

... Finned Surfaces Refrigeration Tubes heat transfer condensation pipe flow two-phase flow In Fig. 16 the average heat transfer coefficients in the microfin tube are given as function of mass flux for different refrigerant mass fractions. The heat transfer coefficients increase...

... optimisation space vehicles heat radiation integro-differential equations Finned Surfaces Heat Transfer Radiation Radiating extended surfaces are widely used to reject heat from a spacecraft, which became very important with the advent, in the middle of the last century, of space exploration...

... 2002 heat transfer condensation Bundles Condensation Finned Surfaces Zeotropic Mixture Horizontal Tubes A large number of specifically designed enhanced surface tubes have been tested to find the best surface geometry for condensing either pure fluids or vapor mixtures...

... such as fin surface mounted with VGs, its back surface (mounted without VGs) and flat tube surface are considered. The mass transfer experiments are performed using naphthalene sublimation method. The effects of the fin spacing and VG parameters such as height and attack angle on heat transfer and pressure...