Journal of Thermal Science and Engineering Applications: Recent submissions
Now showing items 721-740 of 1661
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Effects of pH and Surfactant on the Forced Convection of Al2O3/Water and TiO2/Water Nanofluids
(The American Society of Mechanical Engineers (ASME), 2021)The present paper deals with the forced convection of Al2O3/water and TiO2/water nanofluids with the variation of pH and addition of surfactant in nanofluids. The aim of this study is to investigate the effect of suspension ... -
Numerical Simulation of Nonlinear Thermal Radiation on the 3D Flow of a Couple Stress Casson Nanofluid Due to a Stretching Sheet
(The American Society of Mechanical Engineers (ASME), 2021)Little is known on the three-dimensional flow of a couple stress Casson fluid conveying nanoparticles when the significance of Lorentz force, chaotic gesture of those minute particles, and thermophoresis are significant. ... -
Experimental Investigation on an Ultra-High Temperature Air Source Heat Pump Water Heater
(The American Society of Mechanical Engineers (ASME), 2021)To generate boiling water beyond 100 °C via heat pump technology, the prototype of an ultra-high temperature air source heat pump water heater (ASHPWH) based on a single-stage compression cycle of R134a was established, ... -
Homogeneous and Automated Cooling of a Mold Segment by Multiple Water Jet Impingement and a Cross Air Flow
(The American Society of Mechanical Engineers (ASME), 2021)Multiple water jets and a cross air flow are used to cool a mold segment in a homogeneous and automated manner. The test segment was cooled from an initial temperature of 573 K. An average temperature difference of less ... -
Thermodynamic Analysis in Bubbling Fluidized Bed Dryers With Spiral and Cone Angles
(The American Society of Mechanical Engineers (ASME), 2021)Effective thermodynamic analysis is quite necessary for proper system design performance and optimization of system processes. Energy is concerned with the quantitative evaluation of system processes. Nonetheless, exergy ... -
Computational Fluid Dynamics Investigation on Catalytic Hydrodeoxygenation of a Bio-Oil Model Compound in a Fluidized Bed Reactor
(The American Society of Mechanical Engineers (ASME), 2021)Bio-oil produced from waste biomass by various thermochemical approaches possess several drawbacks primarily due to the presence of oxygenated compounds. These compounds render bio-oil difficult to be used as normal fuel ... -
Assessment of Heat Exchanger Degradation in a Boeing 737-800 Environmental Control System
(The American Society of Mechanical Engineers (ASME), 2021)There are a number of systems on an aircraft working together, in harmony, to produce safe and trouble free flight. The environmental control system (ECS) is one of these systems, and its failure is a major contributor to ... -
Thermo-Fluid Design Simulation of Nd3+ POCl3 Transverse Flow Liquid Laser Cavity
(The American Society of Mechanical Engineers (ASME), 2021)Computational fluid dynamics (CFD) based thermal design of a transverse flow optical cavity is carried out for 1 kW Nd3+ POCl3 liquid laser source to investigate temperature and velocity distribution in the optical pumping ... -
Conjugate Heat Transfer Simulations to Evaluate the Effect of Anisotropic Thermal Conductivity on Overall Cooling Effectiveness
(The American Society of Mechanical Engineers (ASME), 2021)Ceramic matrix composites (CMCs) show promise as higher temperature capable alternatives to traditional metallic components in gas turbine engine hot gas paths. However, CMC components will still require both internal and ... -
Analysis of Heat Transfer Oscillation and Buoyancy Effects of Supercritical R1234ze(E) Cooled in Horizontal Helically Coiled Tubes
(The American Society of Mechanical Engineers (ASME), 2021)The helically coiled tubes (HCTs) have been attracting huge attention for enhancing the heat transfer of supercritical fluids and improving energy efficiency. Moreover, the new refrigerant R1234ze(E) has excellent environmental ... -
Analysis of Thermal Creep Effects on Fluid Flow and Heat Transfer in a Microchannel Gas Heating
(The American Society of Mechanical Engineers (ASME), 2021)Thermal creep effects on fluid flow and heat transfer in a microchannel gas flow at low velocities are studied numerically. The continuity and Navier–Stokes equations in vorticity–stream function form, coupled with the ... -
Numerical Simulation of Heat Transfer in Laminar Natural Convection of Mixed Newtonian-Non-Newtonian and Pure Non-Newtonian Nanofluids in a Square Enclosure
(The American Society of Mechanical Engineers (ASME), 2021)This paper presents a steady-state heat transfer model for the natural convection of mixed Newtonian-Non-Newtonian (Alumina-water) and pure non-Newtonian (Alumina-0.5 wt% Carboxymethyl Cellulose (CMC)/water) nanofluids in ... -
Effect of Surface Roughness on Fluid Flow and Heat Transfer Characteristics of Lattice Brick Setting in Tunnel Kilns
(The American Society of Mechanical Engineers (ASME), 2021)This paper presents the effect of brick and kiln wall roughness on the fluid flow, pressure drop, and convection and radiation heat transfer in tunnel kilns. The surface roughness of 0–4 mm is investigated for bricks and ... -
Thermal Performance Comparison and Augmentation of Two Identical Box-Type Solar Cookers Operating in Tropical Climatic Conditions
(The American Society of Mechanical Engineers (ASME), 2021)In the present study, experimental studies have been performed to compare the thermal performance of two geometrically identical box type solar (B-T-S) cookers. To carry out this aim, the thermal performance of BTS cooker ... -
Experimental Investigation of Buoyancy-Induced Convection in High-Porosity Open-Cell Aluminum Metal Foams Under Different Orientations
(The American Society of Mechanical Engineers (ASME), 2021)This investigation deals with buoyancy-induced convection of air in an open-cell aluminum foam under different orientations. Metal foam samples with a porosity of 93% and pore densities of 2, 4, 8, and 16 pores per cm (PPC) ... -
Microfluidic Concentration Enhancement of Bio-Analyte by Temperature Gradient Focusing via Joule Heating by DC Plus AC Field: A Numerical Approach
(The American Society of Mechanical Engineers (ASME), 2021)We present a detailed numerical analysis of electrophoresis induced concentration of a bio-analyte facilitated by temperature gradient focusing (TGF) in a phosphate buffer solution via Joule heating inside a converging–diverging ... -
Investigation and Application of Bio-Inspired Microscale Structures to Turbine Endwall for Enhancing Film Cooling Performance
(The American Society of Mechanical Engineers (ASME), 2021)In this paper, inspired by micro-scale surface structure patterns of birds’ flight feather, a novel thermal-protection enhancement technique is proposed for a turbine endwall with cavity air leaked from an upstream realistic ... -
Coupled Computation Fluid Dynamics Models for Air Flow and Thermal Analysis of Marine Engine Room
(The American Society of Mechanical Engineers (ASME), 2021)Thermal management of machinery spaces of marine vessels using a heating ventilation and air conditioning (HVAC) system is needed to maintain the temperature within the tolerable limit for efficient combustion in internal ... -
Comparative Analysis of Heat Transfer and Fluid Flow in Circular and Rhombus Pin Fin Heat Sink Using Nanofluid
(The American Society of Mechanical Engineers (ASME), 2021)Numerical investigation has been carried out to compare the heat transfer performance and fluid flow behavior of microchannel heat sinks with circular and rhombus pin fins which are arranged in an in-line manner. Diameter ... -
A Comparative Study on Thermal-Hydraulic Performance of Different Non-Newtonian Nanofluids Through an Elliptical Annulus
(The American Society of Mechanical Engineers (ASME), 2021)This paper presents a numerical investigation on heat transfer and flow behavior for non-Newtonian nanofluids with different nanoparticles (Al2O3 and CuO) and carboxymethyl cellulose (CMC) with water as a base fluid. The ...