Journal of Heat Transfer: Recent submissions
Now showing items 861-880 of 3611
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Impacts of Dilution on Hydrogen Combustion Characteristics and NOx Emissions
(The American Society of Mechanical Engineers (ASME), 2019)Combustion characteristics at small scales have been studied continuously due to the potential applications in portable power devices. It is known that heat release impacts at small scales result in different flame behavior ... -
Experimental Investigation of the Feasibility of Using a Liquid Metal as a Variable Conductance Radiator for Space Applications
(The American Society of Mechanical Engineers (ASME), 2019)The feasibility of using a liquid metal with a high thermal conductivity as a functional fluid for realizing a variable conductance radiator (VCR) for space applications was proposed and investigated. The variable thermal ... -
A New Approach to Delay or Prevent Frost Formation in Membranes
(The American Society of Mechanical Engineers (ASME), 2019)Saturation of the water vapor is essential to form frost inside a permeable membrane. The main goal of this paper is to develop a numerical model that can predict temperature and humidity inside a membrane in order to show ... -
Sensitivity of On-Skin Thermometry to Detecting Dermal Dehydration
(The American Society of Mechanical Engineers (ASME), 2019)The recent development of flexible sensors that can measure temperatures at the surface of the skin opens novel possibilities for continuous health monitoring. Here, we investigate such sensors as 3ω thermometers to ... -
Thermal-Conductivity Enhancement of Microfluids With Ni3(μ3-ppza)4Cl2 Metal String Complex Particles
(The American Society of Mechanical Engineers (ASME), 2019)The thermal conductivity of microfluids comprising Ni3(μ3-ppza)4Cl2 metal string complex (MSC) microparticles in an aqueous glycerol solution was investigated using the transient hot-wire method. A comparative analysis of ... -
Effects of Homogeneous–Heterogeneous Reactions and Convective Condition in Darcy–Forchheimer Flow of Carbon Nanotubes
(The American Society of Mechanical Engineers (ASME), 2019)This paper presents Darcy–Forchheimer three-dimensional (3D) flow of water-based carbon nanotubes (CNTs) with heterogeneous–homogeneous reactions. A bi-directional linear extendable surface has been employed to create the ... -
Temperature and Velocity of the Gas–Vapor Mixture in the Trace of Several Evaporating Water Droplets
(The American Society of Mechanical Engineers (ASME), 2019)The optical techniques (particle image velocimetry (PIV), laser-induced phosphorescence (LIP), planar laser-induced fluorescence (PLIF)) are used to study unsteady and inhomogeneous temperature and velocity fields of a ... -
Enhanced Specific Heat of Sodium Acetate Trihydrate by In-Situ Nanostructure Synthesis
(The American Society of Mechanical Engineers (ASME), 2019)Recent studies have shown that doping nanoparticles (NPs) into a molten salt eutectic can induce salt molecules to form a stelliform nanostructure that can enhance the effective heat capacity of the mixture. This phenomenon ... -
Buckling of Magnetically Formed Filler Fiber Columns Under Compression Increases Thermal Resistance of Soft Polymer Composites
(The American Society of Mechanical Engineers (ASME), 2019)Thermally conductive soft composites are in high demand, and aligning the fill material is a potential method of enhancing their thermal performance. In particular, magnetic alignment of nickel particles has previously ... -
Nonisothermal Evaporation of Layers of Aqueous Salt Solutions
(The American Society of Mechanical Engineers (ASME), 2019)Evaporation of layers of aqueous solutions of salts (LiBr, CaCl2, NaCl, MgCl2, BaCl2, and CsCl) is studied experimentally. Experimental data are compared with evaporation of the water layer. The solution is placed on a ... -
Modified Lewis Number and Buoyancy Ratio Effects on Turbulent Double-Diffusive Convection in Porous Media Using the Thermal Nonequilibrium Model
(The American Society of Mechanical Engineers (ASME), 2019)This work presents a study of double-diffusive free convection in a porous square cavity under turbulent flow regime and with aiding drive. The thermal nonequilibrium model was employed to analyze the energy and mass ... -
Statistical Approach to Radiative Transfer in the Heterogeneous Media of Thin-Wall Morphology—II: Applications
(The American Society of Mechanical Engineers (ASME), 2019)The statistical multiphase approach (MPA) proposed in the first part of this work to evaluate radiative properties of composite materials is applied to porous structures of opaque material and biological tissues. Radiative ... -
Numerical Investigation of Natural Convection Heat Transfer From a Stack of Horizontal Cylinders
(The American Society of Mechanical Engineers (ASME), 2019)Natural convection heat transfer from horizontal solid cylinders has been studied numerically by varying the Rayleigh number in the range of (104≤Ra≤108) and (1010≤Ra≤1013) for both laminar and turbulent flows, respectively. ... -
Melting Heat Transfer in Squeezed Nanofluid Flow Through Darcy Forchheimer Medium
(The American Society of Mechanical Engineers (ASME), 2019)In this attempt, melting heat transfer characteristic of unsteady squeezed nanofluid flows in non-Darcy porous medium is interrogated. The nanofluid model incorporates Brownian diffusion and thermophoresis to characterize ... -
Diffusive Phonons in Nongray Nanostructures
(The American Society of Mechanical Engineers (ASME), 2019)Nanostructured semiconducting materials are promising candidates for thermoelectrics (TEs) due to their potential to suppress phonon transport while preserving electrical properties. Modeling phonon-boundary scattering in ... -
The Second Law Analysis of Thermodynamics for the Plate–Fin Surface Performance in a Cross Flow Heat Exchanger
(The American Society of Mechanical Engineers (ASME), 2019)In this paper, a particular heat exchanger is designed and analyzed by using second law of thermodynamics. The heat exchanger operates with the cross flow forced convection having cylindrical, square, and hexagonal pin ... -
Discussion: “Convection Heat Transfer of Power-Law Fluids Along the Inclined Nonuniformly Heated Plate With Suction or Injection” [Sui, J., Zheng, L., and Zhang, X., 2016, ASME J. Heat Transfer, 138(2), p. 021701]
(The American Society of Mechanical Engineers (ASME), 2019)The present comment concerns some doubtful results in the above paper. -
On the Effective Thermal Conductivity of Nanofluids With Fractal Aggregation
(The American Society of Mechanical Engineers (ASME), 2019)A generalized effective medium theory (EMT) is proposed to account for the fractal structure of the dispersed phase in a dispersing medium under the dilute limit. The thermal conductivity of nanofluids with fractal aggregates ... -
Numerical Analysis of Plume Structures of Fluids on a Horizontal Heated Plate
(The American Society of Mechanical Engineers (ASME), 2019)Numerical investigations have been carried out to predict the near-wall dynamics in indirect natural convection for air (Pr = 0.7) and water (Pr = 5.2). Near-wall flow structures appear to be line plumes. Three-dimensional ... -
Free Convection in a Wavy Walled Cavity With a Magnetic Source Using Radial Basis Functions
(The American Society of Mechanical Engineers (ASME), 2019)In this study, free convection in a cavity with differentially heated wavy walls is numerically investigated in the presence of a magnetic source. Polyharmonic spline radial basis function (RBF) is utilized to discretize ...