706,415 Result(s)
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Science, Humanities and Social Sciences, multidisciplinary
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Article
Magneto-Hydro-Dynamic Generator with Joule Heating and Viscous Dissipation: An Analytic Investigation of Mixed Convection Flow
This study investigates mixed convection heat transfer in the vertical channel of magneto-hydro-dynamic (MHD) generators, considering the effects of magnetic fields, Joule heating, and viscous dissipation. The...
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Open AccessAnalytical Modeling Methods in Machining: A State of the Art on Application, Recent Challenges, and Future Trends
Information technology applications are crucial to the proper utilization of manufacturing equipment in the new industrial age, i.e., Industry 4.0. There are certain fundamental conditions that users must meet...
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Effect of Blade number on the Energy Dissipation and Centrifugal Pump Performance Based on the Entropy Generation Theory and Fluid–Structure Interaction
Fluid–structure interactions may impact the precision and reliability of the unsteady flow and rotor deflection investigation in the centrifugal pump. The energy transfer between fluid and solid could disregar...
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Article
Fast Aerodynamics Prediction of Wedge Tail Airfoils Using Multi-head Perceptron Network
Wedge tail airfoils refer to the addition of a wedge section to the tail of an airfoil. This modification has demonstrated greater efficiency in increasing the lift forces compared to the base airfoil design. ...
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Article
Comprehensive Investigation of Two-Stage Thermoelectric Cooler Parameters on Its Performance
Due to the poor coefficient of performance and low cooling capacity of thermoelectric coolers, it is necessary to use these coolers in a cascade arrangement. In this regard, two-stage coolers are very importan...
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Article
Design and Performance Assessment of a Novel Poly-generation System with Stable Production of Electricity, Hydrogen, and Hot Water: Energy and Exergy Analyses
The present investigation proposes an innovative hybrid energy system based on solar energy equipped with a parabolic trough collector, a supercritical CO2 Brayton cycle (SCBC), a recuperative organic Rankine cyc...
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Crashworthiness Performance and the Improved Design of Lateral Corrugated Tubes Under Axial Impact
Lateral corrugated tubes (LCTs) with a sinusoidal cross-section have a wider design space than the ordinary circular tube, which is suitable for design of high performance energy absorbers. To investigate the ...
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Article
Optimization for Bending Collapse of Thin-Walled Twelve Right-Angle Section Tubes with Variable Thickness
This study aimed to investigate the influence of variable thickness on the mechanical properties of thin-walled twelve right-angle section tubes (TTRSTs) through numerical characterization. This paper introduc...
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Article
On Direct Metal Laser Sintering of Functionally Graded Material with Virgin and Mixed Powder
In the recent past, several studies were reported on meta-structure-based direct metal laser sintering (DMLS) of functionally graded materials (FGM) using virgin/recycled metallic powders. But hitherto little ...
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Article
Investigation of Bistable Behaviour of Initially Curved Rectangular Microplates
Electrostatically actuated MEMS plate devices have many potential applications as micro-actuators and highly sensitive sensors. Bistability may occur in microplate devices and it refers to two stable configura...
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Article
Electrical Current-Assisted Low-Plasticity Burnishing of Inconel 718 Built by Laser Powder Bed Fusion: Surface Integrity and Fatigue Life Analysis
Low-plasticity burnishing (LPB) is usually used for finishing of material to enhance service performance by improving the roughness and inducing compressive residual stress to surface and underneath layers. Ho...
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Article
Thermal Performance Analysis of Twin Pulsating Turbulent Jets Im**ing over Intermittently Moving Plate
This study introduces a novel approach to enhance the thermal performance of a confined slot jet im**ement system over a heated plate using multiple pulsating jets. By analyzing the complex fluid flow struct...
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Article
Evolution of Iron-Based Metallic Glass Composite Coating with Enhanced Corrosion Resistance and Biocompatibility
Metallic glasses are a new class of metallic alloys that attract increasing attention in bone implants due to their ultrahigh wear resistance and hardness, high toughness and superior strength. However, their ...
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Article
An Experimental and Computational Investigation on Fluid Flow and Thermal Performance of a Rhombus Passage Solar Air Heater of Various Configurations
The experimental and numerical findings of fluid flow and thermal characteristics of rhombus passage solar air heater (SAH) over Reynolds number range 5000–28000 are reported in this article. In this comprehen...
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Article
Waste Heat and Mass Recovery from Boiler Exhaust Gases in a New Generation District Heating System: Energy and Exergy Analysis
The study performs energy and exergy analyses for each component such as boilers, buildings, distribution networks and heat exchangers of a new generation district heating system. Energy and exergy efficiencie...
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Article
Improvement of the Unequal Division Shear Zone Model Based on Sensitivity Analysis and Classification of Uncertain Parameters
Inversion of relevant parameters of cutting analysis model through experimental data is an effective method to improve the prediction accuracy of the model. In view of the present situation that the prediction...
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Article
Two-Phase Numerical Simulation for the Heat and Mass Transfer Evaluation Across a Vertical Deformable Sheet with Significant Impact of Solar Radiation and Heat Source/Sink
The growing need for industrial development, limited availability of non-renewable energy resources, minimizing energy consumption, and ecosystem concerns has prompted researchers to explore the practical appl...
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Article
Nanostructured Al–Ti–Fe–Mn–Ni High-Entropy Alloy by Mechanical Alloying: Synthesis and Characterization
A multicomponent bulk nanostructured Al20Ti20Fe20Mn20Ni20 high-entropy alloy (HEA) was prepared by the powder metallurgy method. The process involved mechanical alloying of the elemental powders of equal wt% foll...
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Article
The Effects of EGR and Oxygen Content on the GCI Engine Performance Under Two-Injection Modes and Fueled Biodiesel Blends
When compared to other internal combustion engine types (SI engine, CI engine), the gasoline compression ignition engine (GCI engine) offers a promising and efficient way to enhance heat efficiency and less ha...
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Article
Feasibility of Waste Fat Chicken Biodiesel–Diesel Blend in Modern Common-Rail Direct Injection (CRDI) Turbocharged Diesel Engine: A Potential Study of Saudi Arabia
The Kingdom of Saudi Arabia (KSA) is facing extreme gas emissions challenges in the energy and transport sector. So, it is always preferred to use fuels that should be derived from waste to energy resources th...
