38 Result(s)
within
Engineering
Mechanical Engineering
**yang Zhou
Article
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Article
Fe2O3 as indicator of heavy metal enrichment in Zhujiang (Pearl River) estuary sediments
A part of the heavy metals in estuary and coastal zone occurs naturally in the environment; the other part is due to human activity; so the directly measured concentration of heavy metal does not automatically...
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Article
Variable stiffness and dam** magnetorheological isolator
This paper presents the development and characterization of a magnetorheological (MR) fluid-based variable stiffness and dam** isolator. The prototype of the MR fluid isolator is fabricated, and its dynamic ...
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Article
Creep and recovery behaviors of magnetorheological elastomers
This paper presents experimental and modeling study of creep and recovery behaviors of magnetorheological elastomers (MREs) under constant stresses. Experimental study was accomplished using a rheometer with p...
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Article
3D Numerical simulation method of electromagnetic forming for low conductive metals with a driver
Electromagnetic forming (EMF) process is a high-speed forming process which can inhibit war**, reduce springback, and improve the formability of material at room temperature. In general, the electromagnetic ...
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Article
Multifractal detrended cross-correlation analysis for power markets
Multifractal theory has been widely used in kinds of field. In this paper, methods were proposed to study in the power-law auto-correlation and cross-correlation of power operating data based on multifractal d...
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Article
Study on the driver plate for electromagnetic forming of titanium alloy Ti-6Al-4V
In order to improve energy efficiency, a driver plate made from high-conductivity material is normally used in the electromagnetic forming process of high-strength but low-conductivity sheet metal. The choice ...
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Article
A Computational Model for Landmarks Acquisition in Positioning
This paper presents a computational model for landmarks acquisition in vehicle’s positioning. Considering the machine vision, visual attention mechanism of biology, feature-integration theory and the demand of...
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Article
Post-processor development of a five-axis machine tool with optimization tool radius compensation
The post-processor is an important interface that transforms cutter location data into numerical control (NC) data. The data compensation in a five-axis machine is quite complex, because of a variety of the ma...
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Article
Error analysis and compensation in machining thin-walled workpieces based on the inverse reconstruction model
At present, the error control process of the complex thin-walled workpiece mainly adopts the error suppression and error elimination; the effectiveness of error control depends on the cognition of the process ...
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Article
Qualitative and quantitative analysis of misaligned electrode degradation when welding galvannealed steel
Electrode misalignment, induced from the flexibility of welding machine gun of spot welder or the potential poor fit-up, leads to the high tendency of expulsion and asymmetric nugget shape. Yet very few studie...
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Article
The use of function-driven shape definition method and GRA–EMM-based Taguchi method to multi-criterion blade preform optimization
For a blade with complex shape, preform design plays an important part in the quality of an achieved part in the forging process. So many optimization methods were developed in many researches to obtain an opt...
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Article
The coupling strength versus convergence speed in pinning control
Pinning control, which drives a networked system to a coherent state, has attracted much attention in recent years. The controllability of pinning control is usually characterized by the ratio of the largest t...
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Article
Compilation of load spectrum of machining center spindle and application in fatigue life prediction
The load spectrum of machining center (MC) is the data basis for fatigue life prediction. A novel compiling method of dynamic cutting load spectrum of MC spindle is proposed, and then applied to the fatigue li...
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Article
Open AccessResearch on the Error Averaging Effect in A Rolling Guide Pair
By studying the effects of geometric precision on kinematic accuracy, an error map** model has been established, based on the hypothesis that a motion pair and its installation surface are rigid. However, wh...
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Article
Open AccessCFD Simulation of the Filtration Performance of Fibrous Filter Considering Fiber Electric Potential Field
Aiming at disclosing the quantitative effects of Coulomb forces on the filtration efficiency of aerosol particles, a three-dimensional random fiber model was established to describe the microstructure of fibro...
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Article
Comparative analysis of thermodynamic theoretical models for energy consumption of CO2 capture
CO2 capture is considered an effective technology to control the CO2 level in the atmosphere, but its development has been restricted due to its high energy requirement during CO2 concentration. Theoretical therm...
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Article
Asymmetric spinning for offset blanks
Various approaches have been attempted by researchers to break through the limitation of axisymmetric shape in metal spinning. In this study, a synchronous multipass spinning method for offset blanks is propos...
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Article
Modification of roller path for square cone by die-less asymmetric spinning
In our previous studies, numerical simulations and experiments were carried out to understand the mechanism of asymmetric spinning for square cone shape. However, the geometry of the products does not coincide...
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Article
Experimental study of asymmetric multi-pass spinning
Various approaches to produce non-axisymmetric parts in metal spinning have been developed by researchers. In asymmetric multi-pass spinning, the motion of the roller is synchronized with the mandrel’s rotatio...
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Article
Effects of rolling-cutting processing parameters on micro-grooved strips forming
High heat flux density in the micro-electronics field urges the demand for functional surface for heat transfer. Micro-grooved surface is the classical heat transfer surface because of the larger specific area...
