Browsing Journal of Thermal Science and Engineering Applications by Issue Date
Now showing items 1-20 of 1486
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Modeling and Analysis of Flow, Thermal, and Energy Fields Within Stacks of Thermoacoustic Engines Filled With Porous Media: A Conjugate Problem
(The American Society of Mechanical Engineers (ASME), 2009)In this paper, an analytical study has been conducted on the flow and energy transfer of an unsteady compressible oscillating flow through channels filled with porous media representing stacks ... -
Nanofluid Properties and Their Effects on Convective Heat Transfer in an Electronics Cooling Application
(The American Society of Mechanical Engineers (ASME), 2009)In the search for new, more effective coolant fluids, nanoparticle suspensions have shown promise due to their enhanced thermal conductivity. However, there is a concomitant increase in the ... -
Computational Heat Transfer Analysis of the Effect of Skirts on the Performance of Third-World Cookstoves
(The American Society of Mechanical Engineers (ASME), 2009)In many developing countries, natural gas, wood, or biomass fired cookstoves find prolific usage. Skirts, placed around the cookpot, have been proposed as a means to improve the thermal efficiency. ... -
Options for Biomass Utilization in Coal Fired Power Stations
(The American Society of Mechanical Engineers (ASME), 2009)This paper summarizes the results of engineering investigations conducted using a variety of computational modeling tools to evaluate different options for cofiring up to 10% (input energy) biomass ... -
Publisher's Note: Journal of Thermal Science and Engineering Applications, 2009, 1(2)
(The American Society of Mechanical Engineers (ASME), 2009)The heading “Invited Papers” was inadvertently inserted in the June 2009 (Vol. 1, No. 2) issue table of contents. All titles should have been listed under the heading “Research Papers.” -
Aerothermal Challenges in Syngas, Hydrogen-Fired, and Oxyfuel Turbines—Part II: Effects of Internal Heat Transfer
(The American Society of Mechanical Engineers (ASME), 2009)Future advanced turbine systems for electric power generation, based on coal-gasified fuels with CO2 capture and sequestration, are aimed for achieving higher cycle efficiency and near-zero emission. ... -
Novel Jet Impingement Cooling Geometry for Combustor Liner Backside Cooling
(The American Society of Mechanical Engineers (ASME), 2009)Impinging jets are commonly used to enhance heat transfer in modern gas turbine engines. Impinging jets used in turbine blade cooling typically operate at lower Reynolds numbers in the range ... -
A Thermal Model for Concentric-Tube Overfire Air Ports
(The American Society of Mechanical Engineers (ASME), 2009)A quasisteady multimode heat-transfer model for boiler concentric-tube overfire air ports has been developed that predicts the effect of geometry, furnace heat source and heat sink temperatures, ... -
A Quantitative Method for Assessment of Car Inclination Effects on Thermal Management of the Underhood Compartment
(The American Society of Mechanical Engineers (ASME), 2009)The study presented here concerns the impact of car inclination on the temperatures in the vehicle underhood compartment. We report here underhood thermal measurements carried out on a vehicle ... -
Heat Transfer Analysis of a Novel Pressurized Air Receiver for Concentrated Solar Power via Combined Cycles
(The American Society of Mechanical Engineers (ASME), 2009)A novel design of a high-temperature pressurized solar air receiver for power generation via combined Brayton–Rankine cycles is proposed. It consists of an annular reticulate porous ceramic (RPC) ... -
Surface Roughness Effects on Flow Boiling in Microchannels
(The American Society of Mechanical Engineers (ASME), 2009)The influence of surface roughness on flow boiling heat transfer and pressure drop in microchannels is experimentally explored. The microchannel heat sink employed in the study consists of ten ... -
Heat Transfer From Novel Target Surface Structures to a Normally Impinging, Submerged and Confined Water Jet
(The American Society of Mechanical Engineers (ASME), 2009)Contemporary electronic systems generate high component-level heat fluxes. Impingement cooling is an effective way to induce high heat transfer coefficients in order to meet thermal constraints. ... -
Experimental Investigation on a Rotary Regenerator Operating at Low Temperatures
(The American Society of Mechanical Engineers (ASME), 2009)This work investigated the operation conditions of a rotary regenerator operating at low regeneration temperatures, which is widely used in solar desiccant air conditioning systems. A rigorous ... -
Experimental Testing of a Thermoelectric-Based Hydronic Cooling and Heating Device With Transient Charging of Sensible Thermal Energy Storage Water Tank
(The American Society of Mechanical Engineers (ASME), 2009)Experiments were performed to charge either cold or hot water thermal energy storage tanks using a heat exchanger equipped with multiple thermoelectric (TE) modules. The primary objective was ... -
Development of Scalable Silicon Heat Spreader for High Power Electronic Devices
(The American Society of Mechanical Engineers (ASME), 2009)A silicon heat spreader, called hexcell, is presented to develop thin, strong, interconnected, and scalable heat transfer devices for high power electronics cooling. Several key technical aspects, ... -
Spray-Formed, Metal-Foam Heat Exchangers for High Temperature Applications
(The American Society of Mechanical Engineers (ASME), 2009)Open pore metal foams make efficient heat exchanger because of their high thermal conductivity and low permeability. This study describes a novel method of using wire-arc spraying to deposit ... -
A Model From First Principles of the Radial Heat Flux in a Cylinder Bore of a Modern Diesel Engine
(The American Society of Mechanical Engineers (ASME), 2009)A simple model from first principles has been developed to estimate the heat transferred from the piston rings and skirt to the cylinder wall. The model considers the various forms in which ... -
An Innovative Falling Film Evaporative Cooling With Recirculation Driven by Low-Grade Heat
(The American Society of Mechanical Engineers (ASME), 2009)A falling film evaporator integrated with a recirculation tube driven by low-grade heat has been proposed to achieve a more compact and reliable system, which can be easily integrated into ... -
An Experimental Study of the Flow of R-407C in an Adiabatic Spiral Capillary Tube
(The American Society of Mechanical Engineers (ASME), 2009)The objective of this study is to investigate the effect of coiling on the flow characteristics of R-407C in an adiabatic spiral capillary tube. The characteristic coiling parameter for a ... -
Numerical Simulation of Thermal Stress for a Liquid-Cooled Exhaust Manifold
(The American Society of Mechanical Engineers (ASME), 2009)Liquid-cooled exhaust manifolds are widely used in turbocharged diesel engines. The large temperature gradient in the overall manifold can cause remarkable thermal stress. The objective of the ...