Volume 21, Issue 5
مرور بر اساس
ارسال های اخیر
-
INTELLIGENT PHEROMONE UP GRADATION MECHANISM THROUGH NEURAL AUGMENTED ANT COLONY OPTIMIZATION (NaACO) META HEURISTIC IN MACHINE SCHEDULING
(Sharif University of Technology, 2014-10-01)The pheromone update phase in Ant Colony Optimization (ACO) has been addressed by various researchers in the context of scheduling problems. Various artificial intelligence (AI) techniques have also been used to investigate ...
-
A new fractional analytical approach for treatment of system of physical models by using Laplace Transform
(Sharif University of Technology, 2014-10-01)In this study, the homotopy perturbation transform method (HPTM) is performed to give approximate and analytical solutions of the first order linear and nonlinear system of time fractional partial differential equation. ...
-
Analytic Investigation of the Effects of Condensation Shock on Turbulent Boundary Layer Parameters of Nucleating Flow in a Supersonic Convergent-Divergent Nozzle
(Sharif University of Technology, 2014-10-01)Under the influence of intense expansion and supersonic acceleration of the steam flow in the divergent channel, the instability of the flow intensifies. In the lack of external surfaces, this non-equilibrium state causes ...
-
Analytical investigation of simultaneous effects of friction and heating to a supersonic nucleating Laval nozzle
(Sharif University of Technology, 2014-10-01)In supersonic water vapor flows of low pressure turbines, the nucleation phenomena and consequent condensation is commonly observed. Internal heat transfer which is caused by phase change is strongly irreversible and has ...
-
Pseudospectral Optimal Control of Active Magnetic Bearing Systems
(Sharif University of Technology, 2014-10-01)In this paper the optimal control framework is formed to control rotor-active magnetic bearing (AMB) systems. The multi-input–multi-output non-affine model of AMBs is well established in the literature and represents a ...
-
On Determination of Mode Shapes of Linear Continuous Systems
(Sharif University of Technology, 2014-10-01)Determination of mode shapes of vibrating system is an important step in vibration analysis. A procedure to determine the mode shapes of linear continuous systems based on the concept of normal equation is presented. This ...
-
Normalized Miss Distance Analysis of Single-Lag Optimal Guidance Lawwith Radome Effect, Saturation, and Fifth-Order Control System
(Sharif University of Technology, 2014-10-01)This paper deals with miss distance analysis of single-lag optimal guidance law (OGL) using linearized equations of motion in normalized form. The radome refraction error, acceleration limit, constant target acceleration, ...
-
Theoretical and experimental investigation of density jump on an inclined surface
(Sharif University of Technology, 2014-10-01)The density jump on an inclined surface is analyzed using integral method by applying mass and momentum conservation equations. The jump occurs in a two-layered fluid flow, in which the upper layer is stagnant and very ...
-
Two-phase natural convection of SiO2-water Nano fluid in an inclined square enclosure
(Sharif University of Technology, 2014-10-01)Natural convection of a Nano fluid consisted of water and SiO2 in a square enclosure cavity have been studied numerically. The sidewalls are maintained at different constant temperatures and the other walls are thermally ...
-
Forward Kinematic Problem of Three 4-DOF Parallel Mechanisms (4-PRUR1, 4-PRUR2 and 4-PUU) with Identical Limb Structures Performing 3T1R Motion Pattern
(Sharif University of Technology, 2014-10-01)This paper investigates the forward kinematic problem of three 4-DOF parallel mechanisms performing three translations and one rotation motion referred to as Schönfliesmotion. The kinematic arrangements of the mechanisms ...
