Journal of Heat Transfer: Recent submissions
Now showing items 2301-2320 of 3611
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Infrared Imaging and Spatiotemporal Radiation Properties of a Turbulent Nonpremixed Jet Flame and Plume
(The American Society of Mechanical Engineers (ASME), 2013)Radiation transfer from turbulent nonpremixed jet flames and plumes is important in many applications such as energyefficient combustion systems, temperature sensitive pollutant control, and detection, control, and suppression ... -
Experimental Characterization of Capillary Fed Carbon Nanotube Vapor Chamber Wicks
(The American Society of Mechanical Engineers (ASME), 2013)The thermal performance of passive vapor chamber heat spreaders can be improved by enhancing evaporation from the internal wick structure. A wick structure that integrates conventional copper screen mesh and carbon nanotubes ... -
Charging Station of a Planar Miniature Heat Pipe Thermal Ground Plane
(The American Society of Mechanical Engineers (ASME), 2013)Thermal ground planes (TGPs) are planar, thin (thickness of 3 mm or less) heat pipes which use twophase heat transfer. The objective is to utilize TGPs as thermal spreaders in several microelectronic cooling applications. ... -
Effect of Inlet Restriction on Flow Boiling Heat Transfer in a Horizontal Microtube
(The American Society of Mechanical Engineers (ASME), 2013)Flow boiling heat transfer in a horizontal microtube with inlet restriction (orifice) under uniform heating condition is experimentally investigated using FC72 as working fluid. A stainless steel microtube with an inner ... -
A Hybrid Approach for the Simulation of the Thermal Motion of a Nearly Neutrally Buoyant Nanoparticle in an Incompressible Newtonian Fluid Medium
(The American Society of Mechanical Engineers (ASME), 2013)A hybrid approach consisting of a Markovian fluctuating hydrodynamics of the fluid and a nonMarkovian Langevin dynamics with the Ornstein–Uhlenbeck noise perturbing the translational and rotational equations of motion ... -
Emergence of Computational Fluid Dynamics at Imperial College (1965–1975): A Personal Recollection
(The American Society of Mechanical Engineers (ASME), 2013)This paper is a personal recollection of the development of computational fluid dynamics (CFD) at Imperial College (IC) in the 1960s by a group founded by Brian Spalding who was the charismatic leader of a dedicated team ... -
Modeling and Simulations of Laminar Mixed Convection in a Vertical Pipe Conveying Slurries of a Microencapsulated Phase Change Material in Distilled Water
(The American Society of Mechanical Engineers (ASME), 2013)Steady, laminar, mixed convection in a straight and vertically oriented pipe conveying slurries of a microencapsulated phasechange material (MCPCM) suspended in distilled water (flowing upwards), with essentially uniform ... -
Large Eddy Simulations of Discrete Hole Film Cooling With Plenum Inflow Orientation Effects
(The American Society of Mechanical Engineers (ASME), 2013)Large eddy simulations of film cooling from a discrete hole inclined 35 deg and fed by a plenum chamber are performed at a density ratio of 2 and blowing ratios from 0.5 to 2.0. Cylindrical holes at a length to diameter ... -
Optimization Under Uncertainty Applied to Heat Sink Design
(The American Society of Mechanical Engineers (ASME), 2013)Optimization under uncertainty (OUU) is a powerful methodology used in design and optimization to produce robust, reliable designs. Such an optimization methodology, employed when the input quantities of interest are ... -
Unsteady Magnetohydrodynamic Free Convection Flow Past a Semi Infinite Permeable Moving Plate Through Porous Medium With Chemical Reaction and Radiation Absorption
(The American Society of Mechanical Engineers (ASME), 2013)The effect of the chemical reaction and radiation absorption on the unsteady free convective flow of an incompressible viscous fluid through porous medium past a semiinfinite vertical permeable moving plate is studied. The ... -
A Fast Hybrid Fourier–Boltzmann Transport Equation Solver for Nongray Phonon Transport
(The American Society of Mechanical Engineers (ASME), 2013)Nongray phonon transport solvers based on the Boltzmann transport equation (BTE) are being increasingly employed to simulate submicron thermal transport in semiconductors and dielectrics. Typical sequential solution schemes ... -
Numerical Study of Laminar Flow and Mass Transfer for In Line Spacer Filled Passages
(The American Society of Mechanical Engineers (ASME), 2013)Performance calculations for laminar fluid flow and mass transfer are presented for a passage containing cylindrical spacers configured in an inlinesquare arrangement, typical of those employed in the process industries. ... -
Jupiter’s Red Oval BA: Dynamics, Color, and Relationship to Jovian Climate Change
(The American Society of Mechanical Engineers (ASME), 2013)Jupiter now has a second red spot, the Oval BA. The first red spot, the Great Red Spot (GRS), is at least 180 yr old. The Oval BA formed in 2000 was originally white, but part turned red in 2005. Unlike the Great Red ... -
Benjamin Franklin and Computational Fluid Dynamics: The Population Approach to Turbulence
(The American Society of Mechanical Engineers (ASME), 2013)Turbulent fluids can be usefully considered as populations, the members of which are distinguished by their positions in nongeometric spaces of which the dimensions may be arbitrarily chosen. These dimensions can be ... -
A Parallel Universe: Contributions to the Initial Development of Computational Heat Transfer
(The American Society of Mechanical Engineers (ASME), 2013)Computational heat transfer developed in parallel timewise with computational fluid dynamics because they were both prompted by the emergence of electronic devices for computation in the middle of the twentieth century and ... -
Widening Absorption Band of Grating Structure With Complex Dual Groove Grating
(The American Society of Mechanical Engineers (ASME), 2013)The wavelengthselective radiative property is becoming a noticeable requirement in various technological fields. There are many researches that have been focused on the radiative properties of metal periodic microstructure ... -
A Meshless Method for Modeling Convective Heat Transfer
(The American Society of Mechanical Engineers (ASME), 2013)A meshless method is used in a projectionbased approach to solve the primitive equations for fluid flow with heat transfer. The method is easy to implement in a matlab format. Radial basis functions are used to solve two ... -
Enhanced Specific Heat Capacity of Nanomaterials Synthesized by Dispersing Silica Nanoparticles in Eutectic Mixtures
(The American Society of Mechanical Engineers (ASME), 2013)Anomalous enhancements in the specific heat capacity values of nanomaterials were measured in this study. Silica nanoparticles (∼2–20 nm) were dispersed into eutectic of lithium carbonate and potassium carbonate (62:38 ... -
Spinoff Challenges for Computational Fluid Dynamics
(The American Society of Mechanical Engineers (ASME), 2013)This paper describes extensions of computational fluid dynamics (CFD) to fields of analysis lying well beyond their current realms of application. In particular, three examples are presented. The first is to the collective ... -
Computational Aerodynamics: Solvers and Shape Optimization
(The American Society of Mechanical Engineers (ASME), 2013)Aeronautics, and in particular aerodynamics, has been one of the main technological drivers for the development of computational fluid dynamics (CFD). This paper presents a personal account of the main advances in the ...