Journal of Thermal Science and Engineering Applications: Recent submissions
Now showing items 821-840 of 1661
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Heat Transfer and Pressure Drop Measurements in a High Aspect Ratio Channel With Circular Pins and Strip Fins
(The American Society of Mechanical Engineers (ASME), 2020)This paper focuses on the measurements of heat transfer enhancement and pressure drop of different pin or fin configurations in a high aspect ratio (AR = 9.57/1.2) channel. Two different pin-fin shapes including circular ... -
Numerical and Experimental Study on the Heat Flux of Double-Wave Trench
(The American Society of Mechanical Engineers (ASME), 2020)The film cooling characteristics of the transverse trench (TT) and the double-wave trench (DWT) were numerically studied by using Reynolds-averaged Navier–Stokes simulations with realizable k–ɛ turbulence model and enhanced ... -
Investigation of the Effect of Perforated Sheath on Thermal-Flow Characteristics Over a Gas Turbine Reverse-Flow Combustor—Part 1: Experiment
(The American Society of Mechanical Engineers (ASME), 2020)Reverse-flow combustors have been used in heavy, land-based gas turbines for many decades. A sheath is typically installed over the external walls of the combustor and transition piece to provide enhanced cooling through ... -
Thermo-Convective Flow of a Yield-Stress Fluid Between Two Horizontal Plates for Rayleigh Numbers Greater Than the Critical Value
(The American Society of Mechanical Engineers (ASME), 2020)In this paper, two-dimensional unsteady simulations of yield-stress fluids in the Poiseuille–Rayleigh–Bénard flow between two horizontal plates were performed. The laminar flow of these fluids is characterized by the ... -
Experimental Investigation of a Flat-Plate Oscillating Heat Pipe With Groove-Enhanced Minichannels
(The American Society of Mechanical Engineers (ASME), 2020)The thermal and capillary performance of a groove-enhanced, or “microchannel-embedded,” flat-plate oscillating heat pipe (MC FP-OHP) was experimentally investigated while varying heating width, orientation, working fluid ... -
Subcooled Flow Boiling on Micro-Porous Structured Copper Surface in a Vertical Mini-Gap Channel
(The American Society of Mechanical Engineers (ASME), 2020)An experimental investigation of subcooled flow boiling in a rectangular mini-gap channel with the dimension of 0.5 mm × 5 mm was conducted with deionized water as the working fluid. Fabricated by electroless plating method ... -
A Modified Correlation for Flow Boiling Heat Transfer in Plate Heat Exchangers
(The American Society of Mechanical Engineers (ASME), 2020)Corrugated plate heat exchangers are increasingly used in two-phase flow applications for their flexible compact size and efficient heat transfer performance. This paper presents a brief review of recent studies on the ... -
Thermally Mediated Double Emulsion Breakup in Bifurcating Bi-Layer Microchannel
(The American Society of Mechanical Engineers (ASME), 2020)In this paper, we report the breakup dynamics of double emulsion droplets, as they flow through the bifurcating junction in bi-layer microchannel. Two cases have been investigated: the first involves double emulsion with ... -
Study on Forced Convective Heat Transfer of FC-72 in Vertical Small Tubes
(The American Society of Mechanical Engineers (ASME), 2020)This paper presents an experimental investigation of the forced convective heat transfer of FC-72 in vertical tubes at various velocities, inlet temperatures, and tube sizes. Exponentially escalating heat inputs were ... -
Effect of Morphology of Nano-Structured Surfaces on Anti-Icing Performance
(The American Society of Mechanical Engineers (ASME), 2020)Droplets bouncing off cold surfaces before being frozen is one way to achieve anti-icing, in which process superhydrophobic surfaces have been proven to play an important role. By using template-assisted method, three types ... -
Experimental and Numerical Investigations of Subcooled Boiling Heat Transfer in a Small-Diameter Tube
(The American Society of Mechanical Engineers (ASME), 2020)The boiling heat transfer for subcooled water flowing in a small-diameter tube was investigated experimentally and numerically. In the experiment, a platinum tube was used as an experimental tube (d = 1.0–2.0 mm) to conduct ... -
Mild Whole-Body Hyperthermia-Induced Interstitial Fluid Pressure Reduction and Enhanced Nanoparticle Delivery to PC3 Tumors: In Vivo Studies and Micro-Computed Tomography Analyses
(The American Society of Mechanical Engineers (ASME), 2020)In this study, we performed in vivo experiments on mice to evaluate whether whole-body hyperthermia enhances nanoparticle delivery to PC3 (prostatic cancer) tumors. PC3 xenograft tumors in immunodeficient mice were used ... -
Unsteady Heat Transfer Between Gas and Tube in a Wave Rotor Refrigerator
(The American Society of Mechanical Engineers (ASME), 2020)The performance of a wave rotor refrigerator (WRR) is strongly affected by unsteady heat transfer between gas and tubes. In this work, the mechanism of the heat transfer and its effects on WRR were investigated numerically ... -
Heating Analysis of a Water Droplet in Between Multi-Wall Hydrophobic Surfaces
(The American Society of Mechanical Engineers (ASME), 2020)Droplet heat transfer in between parallelly located superhydrophobic plates is examined. The thermal field inside the droplet is predicted by adopting the experimental conditions. The influence of plates spacing (heights) ... -
Numerical Optimization of an Ejector for Waste Heat Recovery Used to Cool Down the Intake Air in an Internal Combustion Engine
(The American Society of Mechanical Engineers (ASME), 2020)In the present paper, a numerical investigation of a jet-ejector is carried out using a real gas model of R1234yf. The prototype under investigation works with specific operating conditions of a jet-ejector refrigeration ... -
Thermal Characterization of a Turbulent Free Jet With Planar Laser-Induced Fluorescence
(The American Society of Mechanical Engineers (ASME), 2020)Two-color, toluene-based, planar laser-induced fluorescence (PLIF) is utilized to characterize the thermal structure of a turbulent, free jet. The PLIF technique has been used to measure concentration gradients for combustion ... -
Effect of Surface Inclination on Filmwise Condensation Heat Transfer During Flow of Steam–Air Mixtures
(The American Society of Mechanical Engineers (ASME), 2020)Empirical/semi-empirical correlations are available in the literature to quantify the effect of several major parameters, like bulk pressure, non-condensable gas mass fraction, and wall subcooling, on condensation heat ... -
Experimental Investigation of a Miniature Ejector Using Water as Working Fluid
(The American Society of Mechanical Engineers (ASME), 2020)This paper presents an experimental investigation of a miniature ejector using water as the working fluid. The investigated ejector cooling system can utilize the thermal energy to be removed to power the cooling system ... -
Experimental Study on Oscillating Heat Pipe With a Hydraulic Diameter Far Exceeding the Maximum Hydraulic Diameter
(The American Society of Mechanical Engineers (ASME), 2020)In order to understand the heat transfer performance, startup, and fluid flow conditions of oscillating heat pipes (OHPs) with a hydraulic diameter far exceeding the maximum hydraulic diameter (MHD) defined by dh,max≤2σB ... -
Steady-State Safety Analysis of Ghana Research Reactor-1 With Low-Enriched-Uranium Core
(The American Society of Mechanical Engineers (ASME), 2020)Research reactors all over the world are expected to operate within certain safety margins just like pressurized water reactors and boiling water reactors. These safety margins mainly include onset of nucleate boiling ratio ...