Journal of Heat Transfer: Recent submissions
Now showing items 2141-2160 of 3611
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Steady Mixed Convection Flow on a Horizontal Circular Cylinder Embedded in a Porous Medium Filled by a Nanofluid Containing Gyrotactic Micro Organisms
(The American Society of Mechanical Engineers (ASME), 2013)In this paper, the steady mixed convection boundary layer flow past a horizontal circular cylinder with a constant surface temperature embedded in a porous medium saturated by a nanofluid containing both nanoparticles and ... -
Flow Over a Stretching Sheet in a Dusty Fluid With Radiation Effect
(The American Society of Mechanical Engineers (ASME), 2013)The radiation effect on a steady twodimensional boundary layer flow of a dusty fluid over a stretching sheet is analyzed. The governing nonlinear partial differential equations have been transformed by a similarity ... -
Experimental Measurements of Critical Heat Flux in Expanding Microchannel Arrays
(The American Society of Mechanical Engineers (ASME), 2013)The effect of an expanding microchannel crosssection on flow boiling critical heat flux (CHF) is experimentally investigated across four rates of expansion. A pumpedloop apparatus is developed to boil R134a in an array of ... -
Electrohydrodynamic Conduction Driven Single and Two Phase Flow in Microchannels With Heat Transfer
(The American Society of Mechanical Engineers (ASME), 2013)Microchannels have wellknown applications in cooling because of their ability to handle large quantities of heat from small areas. Electrohydrodynamic (EHD) conduction pumping at the microscale has previously been demonstrated ... -
Numerical Simulations of Hydrodynamics and Heat Transfer in Wavy Falling Liquid Films on Vertical and Inclined Walls
(The American Society of Mechanical Engineers (ASME), 2013)The flow of thin falling liquid films is unstable to longwave disturbances. The flow instability leads to development of waves at the liquid–gas interface. The effect of the waves on heat and mass transfer in falling ... -
Effect of Thermal Creep on Heat Transfer for a Two Dimensional Microchannel Flow: An Analytical Approach
(The American Society of Mechanical Engineers (ASME), 2013)In this paper, velocity profile, temperature profile, and the corresponding Poiseuille and Nusselt numbers for a flow in a microtube and in a slitchannel are derived analytically with an isoflux thermal boundary condition. ... -
Effect of Cross Sectional Perturbation on Critical Heat Flux Criteria in Microchannels
(The American Society of Mechanical Engineers (ASME), 2013)A variety of predictive correlations for critical heat flux (CHF) are examined in light of the growing body of work exploring enhanced flow boiling CHF via crosssectional expansion. The analysis considers the effect of a ... -
Investigation of Heat Transfer in Evaporator of Microchannel Loop Heat Pipe
(The American Society of Mechanical Engineers (ASME), 2013)Loop heat pipes (LHP) are heat transfer devices which use evaporation and condensation of working fluid to transfer heat and use capillary forces to provide fluid circulation in a closed loop. One of the main applications ... -
Temperature Dependent Viscosity and Thermal Conductivity Effects on the Laminar Forced Convection in Straight Microchannels
(The American Society of Mechanical Engineers (ASME), 2013)A parametric investigation is carried out on the effects of temperature dependent viscosity and thermal conductivity and of viscous dissipation in simultaneously developing laminar flows of liquids in straight microchannels ... -
DSMC Simulation of Low Knudsen Micro/Nanoflows Using Small Number of Particles per Cells
(The American Society of Mechanical Engineers (ASME), 2013)Direct simulation Monte Carlo (DSMC) method in low Knudsen rarefied flows at micro/nanoscales remains a big challenge for researchers due to large computational requirements. In this article, the application of the simplified ... -
Numerical Investigation of Microflow Over Rough Surfaces: Coupling Approach
(The American Society of Mechanical Engineers (ASME), 2013)A numerical analysis of the flow field in rough microchannel is carried out decomposing the computational physical domain into kinetic and continuum subdomains. Each domain size is determined by the value of a proper ... -
Guidelines for the Determination of Single Phase Forced Convection Coefficients in Microchannels
(The American Society of Mechanical Engineers (ASME), 2013)This paper deals with the analysis of the main features of forced microconvection of liquid and gas flows through microchannels. A critical overview of the main effects that tends to play an important role in the determination ... -
Kinetic Analysis on Nanoparticle Condensation by Molecular Dynamics
(The American Society of Mechanical Engineers (ASME), 2013)Condensation on a cubic seed particle was simulated by classical molecular dynamics (MD). Seed size and supersaturation ratio of the system were the factors that were examined in order to observe the effects of the dimension ... -
Pressure Drop During Condensation in Microchannels
(The American Society of Mechanical Engineers (ASME), 2013)The paper reports calculations of friction pressure gradient for the special case of laminar annular flow condensation in microchannels. This is the only flow regime permitting theoretical solution without having recourse ... -
Heat Transfer and Pressure Drop Through Nano Fin Arrays in the Free Molecular Flow Regime
(The American Society of Mechanical Engineers (ASME), 2013)Gas flow through arrays of rectangular nanofins is modeled using the linearized freemolecular drag and heat transfer equations. These are combined with the onedimensional equations for conservation of mass, momentum, and ... -
Measurement of Coherent Thermal Emission Due to Magnetic Polaritons in Subwavelength Microstructures
(The American Society of Mechanical Engineers (ASME), 2013)Spectral and directional control of thermal emission is critically important for applications such as space cooling and energy harvesting. The effect of magnetic polaritons (MPs) on spectral modulation has been analyzed ... -
Local Heat Transfer Dependency on Thermal Boundary Condition in Ribbed Cooling Channel Geometries
(The American Society of Mechanical Engineers (ASME), 2013)The present study is geared toward quantifying the effects of imposed thermal boundary condition in cooling channel applications. In this regard, tests are conducted in a generic passage, with evenly distributed rib type ... -
A Hybrid Partial Coherence and Geometry Optics Model of Radiative Property on Coated Rough Surfaces
(The American Society of Mechanical Engineers (ASME), 2013)Thermal and optical engineering applications of electromagnetic wave scattering from rough surfaces include temperature measurement, radiation heating process, etc. Most of the surfaces have random roughness and are often ... -
Special Section on Microchannel Heat Transfer
(The American Society of Mechanical Engineers (ASME), 2013)This special section highlights papers that were presented at the colocated meeting of the 2012 ASME Summer Heat Transfer, the Fluids Engineering Summer Meeting, and the 10th International Conference on Nano, Micro, and ... -
In MemoriamA Tribute to the Life and Legacy of Professor Jack P. Holman
(The American Society of Mechanical Engineers (ASME), 2013)Jack received his B.Sc. and M.Sc. degrees from SMU in 1955 and 1956, respectively, and his Ph.D. degree from Oklahoma State University in 1958, all in Mechanical Engineering. Immediately after his Ph.D., he joined the Air ...