Journal of Thermal Science and Engineering Applications: Recent submissions
Now showing items 461-480 of 1661
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Skin Cooling of Turbine Airfoils by Single Wall Effusion: Part I—Reduced Order Modeling
(The American Society of Mechanical Engineers (ASME), 2023)A quasi-1D conjugate reduced order model (ROM) is developed to capture aero-thermal physics of effusion cooling in turbine airfoils. This framework explicitly considers the coolant supply from the leading edge and its ... -
Drying Kinetics and Performance Analysis of Thermal Storage-Based Hybrid Greenhouse Dryer for Uniform Drying of Tomato Flakes
(The American Society of Mechanical Engineers (ASME), 2023)This communication focuses on the experimental investigation of mixed heat storage-based hybrid greenhouse dryer. The proposed system is a combination of a solar air heater and a greenhouse dryer. Mixed heat storage material ... -
Numerical Study of Heat Transfer During Oblique Impact of a Cold Drop on a Heated Liquid Film
(The American Society of Mechanical Engineers (ASME), 2023)A three-dimensional study of a cold droplet impacting obliquely on a heated solid flat surface covered with a hot liquid layer has been performed. The drop Weber number, liquid film thickness, and drop impact angle are set ... -
Investigation of Performance Augmentation Due to Geometric Modification of Vortex Generators Placed in Fin-and-Tube Heat Exchangers
(The American Society of Mechanical Engineers (ASME), 2023)Compact sizing of fin-and-tube heat exchangers is quite possible by integrating longitudinal vortex generators with the baseline fins. As geometry of the vortex generators is an important design parameter, the thrust of ... -
Performance Evaluation of a Fin and Tube Heat Exchanger Based on Different Shapes of the Winglets
(The American Society of Mechanical Engineers (ASME), 2023)The present work investigates numerically the performance of a fin- and tube-type heat exchanger using the finite volume method. The effect of different winglet geometries, namely, straight profile, concave profile, convex ... -
Effect of Tube Rows on Two-Phase Heat Transfer Characteristics of Water Over Staggered Tube Bundles Under Flow Boiling Mode
(The American Society of Mechanical Engineers (ASME), 2023)Tube bundles are an integral part of the two-phase heat exchangers and are employed in numerous commercial applications. Present research compares two kinds of horizontal staggered tube bundles under upward crossflow boiling ... -
A Novel Non-Intrusive Imaging Technique to Quantify Shrinkage of Elephant Foot Yam During Convective Drying
(The American Society of Mechanical Engineers (ASME), 2023)The current work discusses the design and development of a novel convective drying system which predicts both the drying and the shrinkage characteristics of any food material simultaneously at different drying air velocities ... -
Numerical Investigation on Heat Flux Variation in Fuel Bundle Over Fully Voided Concentric Channel of IPHWR Under Severe Accidental Scenario
(The American Society of Mechanical Engineers (ASME), 2023)A steady-state thermal analysis is performed on a fully voided channel of an Indian pressurized heavy water reactor (IPHWR) by providing variable heat flux inputs of 800 W/m2, 1500 W/m2, 2500 W/m2, 3500 W/m2, and 4500 W/m2 ... -
Performance Analysis of a Phase Changing Material Based Thermocycler for Nucleic Acid Amplification
(The American Society of Mechanical Engineers (ASME), 2023)Modeling, simulation, and thermal performance analysis of a thermocycler for the continuous-flow polymerase chain reaction (CF-PCR), with a phase changing material (PCM)-laden annealing flow path, is presented. The incessant ... -
Optimized Film Cooling Flow on a Contoured Endwall Within a Transonic Annular Cascade
(The American Society of Mechanical Engineers (ASME), 2023)Film cooling was measured on the endwall of a five-vane annular cascade in a blowdown wind tunnel at an exit Mach number of 0.9. The adiabatic film cooling effectiveness was calculated from the partial pressure of oxygen ... -
Research on Parasitic Power of Cooling Balance of Plant System for Proton Exchange Membrane Fuel Cell
(The American Society of Mechanical Engineers (ASME), 2023)In high-power systems of proton exchange membrane fuel cells (PEMFC), cooling systems for the balance of plants (BOP) play an extremely important role in maintaining the temperature of the key components of the fuel cell ... -
Experimental Assessment of Thermohydraulic Performance of a Rectangular Solar Air Heater Duct Using Twisted V-Shaped Staggered Ribs
(The American Society of Mechanical Engineers (ASME), 2023)The present experimental effort aims to determine the thermohydraulic performance of a rectangular solar air heater duct with V-shaped ribs staggered over the absorber plate. The performance test is conducted with variable ... -
Estimation of Out-of-Plane Effective Thermal Conductivity of Wire Mesh Using 3D Unit-Cell Model Incorporating Secondary Effects
(The American Society of Mechanical Engineers (ASME), 2023)This study proposes a modified collocated parameter model to estimate the effective thermal conductivity (keff) of two-phase wire mesh materials. The study focused on the influence of parameters, primary as well as secondary, ... -
Study on the Exergy Transfer Characteristics of the Heat Transfer Process of the Tube Heating Furnace
(The American Society of Mechanical Engineers (ASME), 2023)Aiming to describe the heat transfer process of tubular heating furnace from the angle of energy quality, an exergy transfer model of tubular heating furnace was established to evaluate the energy consumption level of heat ... -
Design and Thermal Performance Research of Airfoil Alkali Metal High-Temperature Heat Pipe
(The American Society of Mechanical Engineers (ASME), 2023)An integrated airfoil alkali metal high-temperature heat pipe structure is proposed for the air rudder. The heat transfer properties of lithium and sodium are analyzed, and the equal-thickness test pieces are designed and ... -
Thermoeconomic Analysis of Novel Vapor Compression-Absorption Multi-Target-Temperature Cascade Refrigeration System
(The American Society of Mechanical Engineers (ASME), 2023)To fulfill the requirement of multi-refrigeration temperature, multi-target-temperature techniques are increasing research interests for industrial and commercial applications. Taking forward the previous research keeping ... -
Computational Fluid Dynamics Study on Exhaust Heat Recovery of Various Spiral Tube Heat Exchangers
(The American Society of Mechanical Engineers (ASME), 2023)With the continuous development of internal combustion engine technology, the thermal efficiency of traditional energy vehicles has been difficult to improve, and the heat loss caused by high-temperature exhaust emissions ... -
Modeling an Evaporative Cooling System to Improve Gas Turbines Performance
(The American Society of Mechanical Engineers (ASME), 2023)Evaporative cooling systems are commonly used in thermoelectric plants to cool the air at gas turbines inlet, improving the performance of these engines. Normally, the evaporative cooling is modeled as adiabatic saturation ... -
Numerical Prediction and Correlations of Effective Thermal Conductivity in a Drilled-Hollow-Sphere Architected Foam
(The American Society of Mechanical Engineers (ASME), 2023)Additive manufacturing is now a promising option to obtain porous customized structures at relatively low scales. The capability to design structures with tunable heat transfer performance compared to conventional porous ... -
Designing an Effective Plate Fin Heat Exchanger and Prediction of Thermal Performance Operated Under Different Water Blends Using Machine Learning
(The American Society of Mechanical Engineers (ASME), 2023)The main aim of the article is intended to design an effective Plate-Fin Heat Exchanger (PFHX) with composite materials such as SS316 + copper and SS304 + Flyash in a counterflow type. These are brazed together with the ...