Numerical Hydroacoustic Analysis of NACA Foils in Marine Applications and...
One of the most important parameters to be considered in the design process of lifting surfaces for marine applications is the acoustic noise emitted by the designed surface. In the present work, the...
View ArticleOptimum Conditions for Maximum Power of a Direct Methanol Fuel Cell
It is well known that anode and cathode pressures and cell temperature are the effective parameters in performance of Direct Methanol Fuel Cell (DMFC). In the present study, the genetic algorithm as...
View ArticlePlastic Constitutive Model and Analysis of Flow Stress of 40Cr Quenched and...
To solve the problem of the accuracy of the numerical simulations of cold rolling, the thermomechanical responses of 40Cr under uniaxial compression loading are presented. The strain rates include...
View ArticleContact Analysis of a Dry Friction Clutch System
The numerical simulation of the friction clutch system (pressure plate, clutch disc, and flywheel) during the full engagement period (assuming no slipping between contact surfaces) is carried out using...
View ArticleScan and Paint: Theory and Practice of a Sound Field Visualization Method
Sound visualization techniques have played a key role in the development of acoustics throughout history. The development of measurement apparatus and techniques for displaying sound and vibration...
View ArticleCauchy Six-Dimensional Formalism for Lamb Waves in Multilayered Plates
Propagation of Lamb waves in multilayered elastic anisotropic plates is studied in the framework of combination of the six-dimensional Cauchy formalism and the transfer matrix method. The closed form...
View ArticleProcessing and Properties of Nanocrystalline CoCrFeNiCuAlTiXVMo High Entropy...
Fabrication of nanocrystalline equiatomic high entropy alloys is a crucial aspect for the product of many tools. The present study describes the synthesis of nanocrystalline equiatomic...
View ArticleThe Flow Simulation and Experimental Study of a Large Low-Head Mixed-Flow...
A large low-head mixed-flow pumping system has been carried out based on numerical analysis of a three-dimensional viscous flow. For analysis, the Reynolds-averaged Navier-Stokes equations with a Shear...
View ArticleNumerical Modeling of the Flow in a Vaneless Diffuser of Centrifugal...
This paper presents the results of numerical investigation of the flow in a vaneless diffuser of centrifugal compressor stage. Simulations were performed using both a commercial CFD package ANSYS CFX...
View ArticleA Functional Representation Model Facilitating Design Space Expansion
This paper addresses the functional representation based on the event model. In the event model, the ontology is defined based on the theory of propositional logic to describe the connotation of the...
View ArticleModeling of Homogeneous Mixture Formation and Combustion in GDI Engine with...
Mixture homogeneity plays a crucial role in HCCI engine. In the present study, the mixture homogeneity was analysed by three-dimensional engine model. Combustion was studied by zero-dimensional single...
View ArticleStress Intensity Factors for Cracked Finite Plates with Mixed Boundary Condition
The mixed boundary problems for finite plates with one crack or two collinear cracks are studied. Complex stress functions that satisfy the equilibrium equations and compatibility conditions in the...
View ArticleSpringback Analysis in Sheet Metal Forming Using Modified Ludwik...
This paper deals with the springback analysis in sheet metal forming using modified Ludwik stress-strain relation. Using the deformation theory of plasticity, formulation of the problem and spring back...
View ArticleA Critical Review of Computational Methods and Their Application in...
Members of the aerospace fan community have systematically developed computational methods over the last five decades. The complexity of the developed methods and the difficulty associated with their...
View ArticleNumerical Study of Flutter of a Two-Dimensional Aeroelastic System
This paper deals with the problem of the aeroelastic stability of a typical aerofoil section with two degrees of freedom induced by the unsteady aerodynamic loads. A method is presented to model the...
View ArticleEffect of Density and Pointed Corner Degree of Pore on Local Stress in Welded...
The process of assembly by welding, in marine structures, led to the creation of microstructural heterogeneities zones. Welded structures generally contain defects such as lack of penetration, slag...
View ArticleExact Solution of Thermoelastic Problem for a One-Dimensional Bar without...
We consider a homogeneous isotropic thermoelastic half-space in the context of the theory of thermoelasticity without energy dissipation. There are no body forces or heat source acting on the...
View ArticleEstimate Lateral Tire Force Based on Yaw Moment without Using Tire Model
This paper demonstrates the implementation of a model-based vehicle estimator, which can be used for lateral tire force estimation without using any highly nonlinear tire-road friction models. The...
View ArticleElastic Analysis of Rotating Thick Truncated Conical Shells Subjected to...
Using disk form multilayers, an elastic analysis is presented for determination of displacements and stresses of rotating thick truncated conical shells. The cone is divided into disk layers form with...
View ArticleTravel-Time Difference Extracting in Experimental Study of Rayleigh Wave...
In order to identify the travel-time difference accurately in the experimental study of Rayleigh wave acoustoelastic effect, an experimental system is constructed by the ultrasonic pulser-receiver,...
View ArticleSpringback of Friction Stir Welded Sheets Made of Aluminium Grades during...
The main aim of the present work is to study the effect of shoulder diameter, rotational speed, and welding speed on the springback performance of friction stir welded sheets. The friction stir welded...
View ArticleEquilibrium, Kinetics, and Thermodynamics of Remazol Brilliant Blue R Dye...
The adsorption of remazol brilliant blue R (RBBR) dye on pinang frond based activated carbon (PF-AC) was investigated in a batch process. The effects of initial dye concentration, contact time,...
View ArticlePerformance of Pulverized Coal Combustion under High Temperature Air Diluted...
The high temperature air combustion (HiTAC) is an advanced promising technology for heat recovery, energy saving, and stability improvement of flame. Computational fluid dynamic (CFD) is known as an...
View ArticleCycle Time Reduction in Injection Molding Process by Selection of Robust...
Cycle time of a part in injection molding process is very important as the rate of production and the quality of the parts produced depend on it, whereas the cycle time of a part can be reduced by...
View ArticleThe Effect of Nanoparticles on Thermal Efficiency of Double Tube Heat...
This paper refers to the Overall Heat Transfer Coefficient of Nano Fluids (OHTCNF) in heat exchangers and the relevant effective parameters. An improvement in Heat Transfer (HT) and OHTCNF containing...
View ArticlePrediction of Waste Heat Energy Recovery Performance in a Naturally Aspirated...
The waste heat from exhaust gases represents a significant amount of thermal energy, which has conventionally been used for combined heating and power applications. This paper explores the performance...
View ArticleDetermining Transmission Coefficient of Propagating Solitary Wave over...
The objective of this study is to numerically investigate transmission coefficient of submerged trapezoidal breakwater of various configurations subjected to solitary waves. Boussinesq equations of...
View ArticleRolling Bearing Fault Diagnosis Based on Physical Model and One-Class Support...
This paper aims at diagnosing the fault of rolling bearings and establishes the system of dynamics model with the consideration of rolling bearing with nonlinear bearing force, the radial clearance,...
View ArticlePerformance Analysis of Short Journal Bearing under Thin Film Lubrication
The steady state performance analysis of short circular journal bearing is conducted using the viscosity correction model under thin film lubrication conditions. The thickness of adsorbed molecular...
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