Journal of Heat Transfer: Recent submissions
Now showing items 781-800 of 3611
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Influence of Geometrical Parameters on Heat Transfer of Transversely Corrugated Helically Coiled Tube for Deicing Fluid
(American Society of Mechanical Engineers (ASME), 2019)In order to ensure flight safety in cold winter, aircraft ground deicing is crucial and necessary. In Chinese deicing fluid heating system, the helically coiled tube is paramount exchanger to heat deicing fluid. The deicing ... -
Steady-State Energetic and Exergetic Performances of Single-Phase Natural Circulation Loop With Hybrid Nanofluids
(American Society of Mechanical Engineers (ASME), 2019)Energy and exergy performances of natural circulation loop (NCL) with various water-based hybrid nanofluids (Al2O3 + TiO2, Al2O3 + CNT, Al2O3 + Ag, Al2O3 + Cu, Al2O3 + CuO, Al2O3 + graphene) with 1% volumetric concentration ... -
Design, Fabrication, and Performance Evaluation of a Hybrid Wick Vapor Chamber
(American Society of Mechanical Engineers (ASME), 2019)The growing electrification of transportation systems is dramatically increasing the waste heat that must be dissipated from high-density power electronics. Transformative embedded heat spreading technologies must be ... -
Thermal Performance and Operating Regimes of a Flat Pulsating Heat Pipe for the Temperature Homogenization
(American Society of Mechanical Engineers (ASME), 2019)A copper–water closed flat pulsating heat pipe (PHP), 3.4 m long and of inner diameter 4 mm, was manufactured and tested. This PHP aims both at homogenizing the temperature of a large aluminum plate, of surface area ... -
Two-Phase Pipe Quenching Correlations for Liquid Nitrogen and Liquid Hydrogen
(American Society of Mechanical Engineers (ASME), 2019)Recently, two-phase cryogenic flow boiling data in liquid nitrogen (LN2) and liquid hydrogen (LH2) were compared to the most popular two-phase correlations, as well as correlations used in two of the most widely used ... -
Spectral Radiation Analysis of Premixed Oxy-Methane Flames
(American Society of Mechanical Engineers (ASME), 2019)For a hydrocarbon burning with oxygen, the resulting exhaust stream is composed mainly of carbon dioxide and water vapor. This exhaust allows for easier carbon capture and sequestration since the water can be condensed ... -
Study of Entropy Generation in Heat Exchanger Tube With Multiple V Cuts in Perforated Twisted Tape Insert
(American Society of Mechanical Engineers (ASME), 2019)The present work deals with the study of entropy generation in circular tube fitted with perforated twisted tape (PTT) insert with multiple V cuts. Experimental data pertaining to heat transfer and frictional losses are ... -
Experimental Investigation of Air–Water Mist Jet Impingement Cooling Over a Heated Cylinder
(American Society of Mechanical Engineers (ASME), 2019)Experimental investigation on heat transfer mechanism of air–water mist jet impingement cooling on a heated cylinder is presented. The target cylinder was electrically heated and was maintained under the boiling temperature ... -
Thermal Performance of a Corrugated Wall With Artificial Roughness
(American Society of Mechanical Engineers (ASME), 2019)This paper aims to determine the flow characteristics and thermal performance of plate heat exchangers. The study is divided into two parts. In the first part, four different shapes of corrugated boundaries have been ... -
Effect of the Nozzle Radiation on the Fused Filament Fabrication Process: Three-Dimensional Numerical Simulations and Experimental Investigation
(American Society of Mechanical Engineers (ASME), 2019)This paper addresses heat distribution issues in fused filament fabrication (FFF) process. Three-dimensional (3D) numerical simulations and experimental investigations are performed during additive manufacturing of parts ... -
Theoretical and Experimental Investigation of Thermal Dynamics of Steinhart–Hart Negative Temperature Coefficient Thermistors
(American Society of Mechanical Engineers (ASME), 2019)The temperature-dependent dynamics of a negative temperature coefficient (NTC) thermistor conducting variable electric current is modeled using the differential approach. The thermistor is assumed to follow the Steinhart–Hart ... -
Heat Transfer and Turbulent Flow Structure in Channels With Miniature V-Shaped Rib-Dimple Hybrid Structures on One Wall
(American Society of Mechanical Engineers (ASME), 2019)An experimental and numerical study has been conducted on heat transfer and turbulent flow structure in channels with novel hybrid structures with miniature V-shaped ribs and dimples on one wall. One miniature V-shaped rib ... -
Effects of Two-Temperature on Rayleigh Wave in Generalized Magneto-Thermoelastic Media With Hydrostatic Initial Stress
(American Society of Mechanical Engineers (ASME), 2019)The governing equations of two-temperature generalized magneto-thermoelasticity with hydrostatic initial stress are specialized in two dimensions and are solved for surface wave solutions. The appropriate solutions in a ... -
Experimental Heat Transfer From Heating Source Subjected to Rigorous Natural Convection Inside Enclosure and Cooled by Forced Nanofluid Flow
(American Society of Mechanical Engineers (ASME), 2019)Mixed convection heat transfer characteristics from heat source located symmetrically inside square enclosure and cooled by Al2O3/water-based nanofluid flow was experimentally investigated. The configuration was subjected ... -
Computational Modeling of Adiabatic Bubble Growth Dynamics From Submerged Capillary-Tube Orifices in Aqueous Solutions of Surfactants
(American Society of Mechanical Engineers (ASME), 2019)The growth dynamics of isolated gas bubbles from a submerged capillary-tube orifice in a pool of an aqueous surfactant (sodium dodecyl sulfate or SDS) solution is computationally investigated. The governing equations for ... -
Experimental Investigation of Oscillating Heat Pipe With Hybrid Fluids of Liquid Metal and Water
(American Society of Mechanical Engineers (ASME), 2019)A new oscillating heat pipe (OHP) charged with hybrid fluids can improve thermal performance. The key difference in this OHP is that it uses room temperature liquid metal (Galinstan consisting of gallium, indium, and tin) ... -
Infrared Microscopy Enhanced Ångström's Method for Thermal Diffusivity of Polymer Monofilaments and Films
(American Society of Mechanical Engineers (ASME), 2019)Ångström's method has been used to quantify thermal diffusivity of materials for over 150 years via measurement of thermal waves propagating through a long, thin sample. However, the traditional Ångström's method has some ... -
Unconstrained Melting Heat Transfer of Nano-Enhanced Phase-Change Materials in a Spherical Capsule for Latent Heat Storage: Effects of the Capsule Size
(American Society of Mechanical Engineers (ASME), 2019)Toward accelerated latent heat storage, the unconstrained melting heat transfer in spherical capsules was revisited experimentally in the presence of nano-enhanced phase-change materials (NePCMs), with an emphasis on the ... -
Conjugate Nusselt Numbers for Simultaneously Developing Flow Through Rectangular Ducts
(American Society of Mechanical Engineers (ASME), 2019)We consider conjugate forced-convection heat transfer in a rectangular duct. Heat is exchanged through the isothermal base of the duct, i.e., the area comprised of the wetted portion of its base and the roots of its two ... -
Optimal Arrangement Design of a Tube Bundle in Cross-Flow Using Computational Fluid Dynamics and Multi-Objective Genetic Algorithm
(American Society of Mechanical Engineers (ASME), 2019)Recently, energy saving problem attracts increasing attention from researchers. This study aims to determine the optimal arrangement of a tube bundle to achieve the best overall performance. The multi-objective genetic ...