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Experimental analysis on the variable polarity plasma arc pressure
variable polarity plasma arc arc pressure orthogonal experiment
2011/8/5
Arc pressure is one of the key factors for variable polarity plasma arc(VPPA) and welding pool formation. In this paper, VPPA pressure was measured by pressure transducer and U-tube barometer methods....
Experimental analysis on the variable polarity plasma arc pressure
variable polarity plasma arc arc pressure orthogonal experiment
2011/8/4
Arc pressure is one of the key factors for variable polarity plasma arc(VPPA) and welding pool formation. In this paper, VPPA pressure was measured by pressure transducer and U-tube barometer methods.
Numerical Analysis of Nozzle Clearance’s Effect on Turbine Performance
nozzle clearance variable nozzle turbine (VNT) mixed flow turbine
2011/8/4
Variable nozzle turbine (VNT) has become a popular variable geometry turbine (VGT) technology for the diesel engine application. Nozzle clearance, which can’t be avoided on the hub and shroud side of ...
Separation of Comprehensive Geometrical Errors of a 3-DoF Parallel Manipulator Based on Jacobian Matrix and its Sensitivity Analysis with Monte-Carlo Method
parallel kinematic machines (PKMs) limited-degree-of-freedom (limited-DoF)
2011/8/4
Parallel kinematic machines (PKMs) have the advantages of a compact structure, high stiffness, a low moving inertia, and a high load/weight ratio. PKMs have been intensively studied since the 1980s, a...
Vibration Analysis of Plates With Spot Welded Stiffeners
Stiffened Plates Spot Welding Residual Stresses
2010/1/15
In this work both theoretical and experimental investigation was carried out to study the effect of residual stresses on the vibrational characteristics of plates with spot welded stiffeners at differ...
GMAW process stability evaluation through acoustic emission by time and frequency domain analysis
GMAW Acoustic pressure Time domain
2009/12/14
Purpose: In the present work was made the comparative analysis in time domain and frequency domain to the acoustical pressure generate by the electric arc to determinate which of the two analysis meth...
Purpose: of this paper is to analyze the results of tests on the mechanical properties and microstructural changes
in Friction Stir Welds in the aluminium alloy 6082-T6 in function of varying process...
Statistical analysis of welding industry of South Korea
Statistical analysis Welding industry HSK classification
2010/1/19
Purpose: This paper represents the current status of welding industry of South Korea - how much the welding industry accounts for in monetary terms in the manufacturing industry of South Korea.
Desig...
Use of SEM and EDS analysis in the investigation of Al-Si-Cu piston alloy cast porosity
casting porosity piston
2009/10/23
Porosity formation was detected in the casting thinnest section in the proximity of the as cast surface and near the wall centerline. In order to investigate the cause of the porosity formation light ...
Investigation of Turbulators for Fire Tube Boilers Using Exergy Analysis
Boiler Turbulator Fire Tube Effciency Exergy
2009/10/13
In this paper,an experimental study of ve di erent types of \turbulator" inserts for re tube boilers is presented. The experimental setup was constructed in the Department of Mechanical Engineering ...
Non-gray Radiation Analysis in Participating Media with the Finite Volume Method
Radiative transfer FVM WSGG-model Non-gray Scattering
2009/10/10
The Weighted-Sum-of-Gray-Gases (WSGG) model is used to investigate radiative heat transfer in nongray media. The finite volume method (FVM) is used to solve the radiative transfer equation. Validation...
3D finite element analysis of metal flow in hot aluminium extrusion of T-shaped profile with various offset pockets
Extrusion Finite element model Aluminium
2010/1/19
Purpose: The present paper has therefore investigated influence of offset pocket design on metal flow behaviour
in hot aluminium extrusion of a T-shaped profile.
Design/methodology/approach: A serie...
Microstructure quantitative analysis of aluminum skeleton castings
Skeleton casting Core AlSi alloy Microstructure
2011/3/17
In this article authors showed method for manufacturing of closed skeleton castings with hypo – eutectic and eutectic aluminium alloys.
The numerical analysis of Hi-temp 095 wire drawing process
Computational material science Wire drawing Solders
2010/2/8
Purpose: The aim of this paper was the optimization of wire drawing process parameters.
Design/methodology/approach: The hard binding material determined according to American standard ANSI/AWSA 5.8-...
Analysis of quality and cost of FeSiMg treatment master alloy vs cored wire in production of ductile cast iron
Ductile cast iron Vermicular cast iron PE Method
2011/3/15
The results of studies on the use of FeSi5%Mg magnesium alloy in modern cored wire injection method for production of nodular and vermicular graphite cast irons were described. The injection of Mg cor...