Journal of Thermal Science and Engineering Applications: Recent submissions
Now showing items 681-700 of 1661
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Heat Transfer and Pressure Drop Performance of Al2O3/Water and TiO2/Water Nanofluids in Tube Fitted With Simple or Modified Spiral Tape Inserts
(The American Society of Mechanical Engineers (ASME), 2021)The present paper deals with the forced convection and pressure drop of Al2O3/water and TiO2/water nanofluids with the presence of inserts in a circular tube. The constant heat flux is maintained around the copper tube ... -
Algal Biomass Harvesting Using Low-Grade Waste Heat: Investigation of Dewatering Algal Suspension by Evaporation
(The American Society of Mechanical Engineers (ASME), 2021)This study investigated the feasibility of harvesting algae biomass using an original and novel method that uses low-grade waste heat with an integrated heat exchanger, evaporation tank, and reservoir system. Several ... -
The Dufour Effect in Film Cooling Experiments With Foreign Gases
(The American Society of Mechanical Engineers (ASME), 2021)In typical film cooling experiments, the adiabatic wall temperature may be determined from surface temperature measurements on a low thermal conductivity model in a low-temperature wind tunnel. In such experiments, it is ... -
Effect of Sucrose Catalyst in the Catalytic Converter on Performance and Emission of Spark Ignition Engine
(The American Society of Mechanical Engineers (ASME), 2021)In this study, experimental attempts were made to reduce exhaust gas toxic emissions from the spark ignition (SI) engine. For this, a sucrose catalyst is coated inside the metallic substrate. The obtained emission level ... -
Experimental Investigation of a Loop Heat Pipe With R245fa and R1234ze(E) as Working Fluids
(The American Society of Mechanical Engineers (ASME), 2021)Two kinds of new refrigerant R1234ze(E) and R245fa were discussed as substitutes or supplements to traditional working fluids of loop heat pipes (LHPs) based on their favorable thermophysical properties and characteristics ... -
Theoretical Investigation on the Heating Performance of a Recuperative Heat Pump Water Heater Using CO2/HCs With Large Temperature Glides in Cold Regions
(The American Society of Mechanical Engineers (ASME), 2021)Considering the issues of environmental pollution and energy efficiency, heat pumps are gradually replacing traditional coal combustion for heating at low ambient temperatures. In this paper, eco-friendly CO2/HCs with large ... -
Near Source Modeling of Pollutant Emissions From an Elevated Source Over an Urban Area Under Cross High Ventilation
(The American Society of Mechanical Engineers (ASME), 2021)Due to the rapid urbanization of many cities around the world, industrial manufacturing plants have grown rapidly, thus leading to the release of large amounts of pollutants into the environment. This is the main reason ... -
Experimental Investigation of Local Heat Transfer Measurement Having Inclined Discrete Ribs of Solar Air Heater Duct Using LCT Technique
(The American Society of Mechanical Engineers (ASME), 2021)The steady-state experiment using liquid crystal thermography has been conducted for the analysis of Nusselt number distribution over the absorber surface of solar air heater (SAH) duct having a gap with the staggered ... -
Optimization of a Radiant System for Hydrothermal Performance Using Taguchi and Utility Concept
(The American Society of Mechanical Engineers (ASME), 2021)Radiant floor panel technology is gaining popularity as an alternative system over the conventional heating, ventilation, and air conditioning system to maintain the room temperature for the desired comfort. This research ... -
Forward Osmosis Absorption Heat Pumps for Space Conditioning and Graywater Purification: Cycle Development and Working Fluids Selection
(The American Society of Mechanical Engineers (ASME), 2021)A thermodynamic model is developed for a forward osmosis (FO) absorption heat pump capable of purifying graywater and providing year-round space conditioning with low-temperature heat as the primary energy input. The model ... -
Numerical Model of the Railway Brake Disk for the Temperature and Axial Thermal Stress Analyses
(The American Society of Mechanical Engineers (ASME), 2022)Increases in travel speeds and traffic density in railway sector impose challenges on the modern disk-pad brake systems such as higher temperatures and stresses resulting in cracks/hot spots and a degraded system performance. ... -
Theoretical Analysis of a Self-Condensing CO2 Transcritical Power Cycle With Regeneration Involving Dense Particle Suspensions in a Solar Thermal Power Plant
(The American Society of Mechanical Engineers (ASME), 2022)The choice of heat transfer fluids (HTFs) significantly dictates the thermal efficiency of the solar power plant. Presently, molten salt is widely used choice owing to its phase, low cost, and non-toxic nature. Along with ... -
The Effect of Curvature on the Heat Transfer Performance of Regenerative Cooling Passages for a High-Area-Ratio Nozzle
(The American Society of Mechanical Engineers (ASME), 2022)Numerical studies on the flow and heat transfer characteristics of rectangular regenerative cooling passages with lateral curvature for a high-area-ratio nozzle are presented. Unlike regular geometries of coolant paths ... -
Effects of Rib Design on the Unsteady Tip Heat Transfer Amplitude for a Turbine Rotor Blade
(The American Society of Mechanical Engineers (ASME), 2022)By solving the unsteady Reynolds-averaged Navier–Stokes equations and SST k–ω turbulence model, effects of rib design on the unsteady tip heat transfer amplitude for a turbine rotor blade with different rotating speeds are ... -
Performance Investigation of a Constant Temperature Heat Pump Dryer
(The American Society of Mechanical Engineers (ASME), 2022)Heat pump drying systems (HPDS) are systems composed of a heat pump (HP) that carries out a drying process which is energy efficient and environmentally friendly. However, in the HPDS, HP technology is used in the drying ... -
Multidimensional Computational Fluid Dynamics Combustion Process Modeling of a 6V150 Diesel Engine
(The American Society of Mechanical Engineers (ASME), 2022)The smart diesel program requires the engine electronic control unit to consider additional parameters, such as altitude and climatic conditions, in the mapping calibration process. A specially designed environmental ... -
Application of Computational Fluid Dynamics and Process Modeling to Investigate Low-Load Operation of a Subcritical Utility-Scale Boiler
(The American Society of Mechanical Engineers (ASME), 2022)To enable the inclusion of intermittent renewable energy sources on existing power grids requires base-load coal-fired power plants to operate flexibly, including fast load changes and continuous low-load operation. Low-load ... -
Modeling and Multi-Objective Optimization of a Miniature Refrigeration System
(The American Society of Mechanical Engineers (ASME), 2022)In this study, the development of a physical model for a miniature refrigeration system is presented. The model is based on physical foundations and the incorporation of information provided in the manufacturers’ catalogs. ... -
Experimental Investigations on Performance Analysis of a Wickless Thermosiphon Heat Pipe With Two Heat Sources and Multiple Branches
(The American Society of Mechanical Engineers (ASME), 2022)In an electronic circuit of laptops, supercomputers with multiple central processing units, spacecraft etc., it is required to arrange the cooling system for multiple heat loads in the smallest possible space in view of ... -
Thermal Performances Assessment and Improvement of Hollow Concrete Blocks Commonly Used in Morocco: Experimental and Numerical Approach
(The American Society of Mechanical Engineers (ASME), 2022)In the present study, experimental and numerical studies are conducted to identify and improve the thermal properties of the most commonly used hollow concrete blocks in Morocco. The experimental approach consists of ...