Volume 9, Issue 3
مرور بر اساس
ارسال های اخیر
-
Development of Process Model for Optimal Selection of Process Parameters for Geometric Tolerances and Surface Roughness in Stereolithography
(Islamic Azad University Majlesi Branch, 2016-09-01)The accuracy of stereolithography (SL) product is vital for meeting the intended functional applications. The parameters like layer thickness, hatch spacing, hatch overcure contribute significantly to the accuracy of the ...
-
Estimation of the Time-Dependent Heat Flux Using Temperature Distribution at a Point in a Three Layer System with None Homogeneous Boundary Conditions
(Islamic Azad University Majlesi Branch, 2016-09-01)In this paper, the conjugate gradient method coupled with adjoint problem is used in order to solve the inverse heat conduction problem and estimation of the time- dependent heat flux using the temperature distribution at ...
-
Design, Manufacture and Environmental Tests of Battery Pack for Spacecraft Freights
(Islamic Azad University Majlesi Branch, 2016-09-01)The satellite battery pack is one of the important and vital parts that are required conducting special design with multiple capabilities. Some parameters like the minimum weight, lack of outgassing of parts, avoiding from ...
-
Injection into Orbit Optimization using Orthogonal Polynomials
(Islamic Azad University Majlesi Branch, 2016-09-01)In this study, the problem of determining an optimal trajectory of a nonlinear injection into orbit problem with minimum time was investigated. The method was based on orthogonal
-
Trajectory Path Planning of Cable Driven Parallel Manipulators, Considering Masses and Flexibility of the Cables
(Islamic Azad University Majlesi Branch, 2016-09-01)Cable driven parallel manipulator (CDPM) is a special class of parallel manipulator in which the rigid extensible links are replaced by actuated cables. It is necessary to take into consideration the cable dynamics, i.e.; ...
-
Severe Plastic Deformation of Nanostructured Cu-30%Zn Tubes at Increased Temperatures
(Islamic Azad University Majlesi Branch, 2016-09-01)Severe plastic deformation (SPD) methods were developed for producing of metals and alloys with ultrafine grained (UFG) microstructures having high strength. Parallel tabular channel angular pressing (PTCAP) as a noble ...
-
Experimental Study and Modeling of Friction Stir Welding Process of Aluminum 1100 Alloys, using Artificial Neural Network with Taguchi Method
(Islamic Azad University Majlesi Branch, 2016-09-01)In this paper, the temperature distribution in workpiece and microstructure of welded zone in friction stir welding of aluminum 1100 alloys and the effect of the tool rotational speed on these parameters ...
-
Design and Optimization of Metal Matrix Composite (MMC’S) Spur Gear
(Islamic Azad University Majlesi Branch, 2016-09-01)Gears are one of the most critical components in power transmission system of an automobile and also many rotating machinery. Many studies have been conducted on optimum gear design. The main objective is to design different ...
-
Numerical Simulation of Fluid Flow in Random Granular Porous Media using Lattice Boltzmann Method
(Islamic Azad University Majlesi Branch, 2016-09-01)In this paper, fluid flow between two parallel flat plates that are partially filled with two-dimension porous media is investigated numerically using single relaxation time (SRT) lattice Boltzmann method (LBM) at pore ...
-
Investigating the Effects of Expansion Equal Channel Angular Extrusion (Exp-ECAE) on Dynamic Behavior of AA7075 Aluminum Alloy
(Islamic Azad University Majlesi Branch, 2016-09-01)Expansion equal channel angular extrusion (Exp-ECAE) is a severe plastic deformation (SPD) operation for processing bulk materials. In the current study, AA7075 Al was SPD-processed by expansion equal ...
-
Experimental Study and Finite Element Simulation of Residual Stress in Welded Sections of Steel P91 Pipes with Multi-pass Welding
(Islamic Azad University Majlesi Branch, 2016-09-01)All the producing and assembling processes exert residual stress on the pieces that may lead to structural failure. Therefore, calculating the residual stress in such structures has been common in recent years. In this ...
-
Kinematic Synthesis of a Novel Parallel Cable Robot as Artificial Leg
(Islamic Azad University Majlesi Branch, 2016-09-01)Accommodation of mechanism with human being's physical characteristics creates the possibility of safe and efficient interaction between human being and robot. Regarding the fact that amputation of a limb in human beings ...



