Volume 14, Issue 3
مرور بر اساس
ارسال های اخیر
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Effect of Surfactant on Spherical Oil Agglomeration of Coal (RESEARCH NOTE)
(Materials and Energy Research Center, 2001-08-01)In this paper, the results of the Spherical Oil Agglomeration of Abstract .45 micrometer superpits low grade co al pa rticles (Bagworth Colliery, U.K.) within a su spension are prese nte d.Demineralized agglomerates were ...
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Effect of Camber and Thickness on the Aerodynamic Properties of an Airfoil in Ground Proximity (RESEARCH NOTE)
(Materials and Energy Research Center, 2001-08-01)A linear vortex panel method is extended to include the effect Abstract of ground proximity on the aerodynamic properties of two dimensional airfoils. The image method is used to model the ground effect . According to the ...
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The Theoretical and Experimental Investigation of the Effect of Variation of Thermodynamical Parameters of Egr fluid on No Emissions in S I Engines
(Materials and Energy Research Center, 2001-08-01)Exhaust Gas Recirculation (EGR) concept is the most simple and Abstract more economical method for NO pollutant reduction in spark ignition engines. However, when the higher amount of the EGR gas enters into the engine, ...
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A Fuzzy Expert System for Predicting the Performance of Switched Reluctance Motor
(Materials and Energy Research Center, 2001-08-01)In this paper a fuzzy expert system for predicting the performance of a switched reluctance motor has been developed. The design vector consists of design parameters, and output performance variables are efficiency and ...
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The Response of Two-Degree of Freedom Self-Sustained Systems with Quadratic Nonlinearities to a Parametric Excitation (RESEARCH NOTE)
(Materials and Energy Research Center, 2001-08-01)In this study the interaction between self-excited and paramet rically excited oscillations in two-degree-of-freedom systems with quadratic nonlinearities is investigated. The fundamental parametric resonance of the first ...
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Dynamic Compensation of Electrical Power Systems Using Multilevel Voltage Source Inverter
(Materials and Energy Research Center, 2001-08-01)A New Static Var Generator (SVG), using cascaded full-bridge inverters (FBI) with binary output levels and the parallel connections of two cascaded inverters by means of current sharing reactor in each phases is introduced. ...
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Forward Position Kinematics of a Parallel Manipulator with New Architecture
(Materials and Energy Research Center, 2001-08-01)The forward position kinematics (FPK) of a parallel manipulator with new architecture supposed to be used as a moving mechanism in a flight simulator project is discussed in this paper. The closed form solution for the FPK ...
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Kinematics and Dynamic Modelling of the Human Shoulder
(Materials and Energy Research Center, 2001-08-01)This paper deals with kinematics and dynamics of the human shoulder in order to obtain the workspace related to the reachability of the wrist and applications to determine load for the wheelchair. The model contains six ...
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A Low Cost Sensorless Control Drive Circuit for of Low Voltage Switched Reluctance Motor
(Materials and Energy Research Center, 2001-08-01)Shaft position sensing is an essential part of switched reluctance (SR) motor drive In order to synchronize the pulses of phase current with the period of rising inductance of the proper motor phase. Direct sensors such ...
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Multilevel Input Ring-Tcm Coding Scheme: a Method for Generating High-Rate Codes
(Materials and Energy Research Center, 2001-08-01)The capability of multilevel input ring-TCM coding scheme for generating high-rate codes with improved symbol Hamming and squared Euclidean distances is demonstrated. The existence of uniform codes and the decoder complexity ...
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Control of Engineering Properties of Asphalt Concrete Based on Permanent Deformation Constraint of Subgrade at Tropical Zones in Iran (TECHNICAL NOTE)
(Materials and Energy Research Center, 2001-08-01)The permanent deformation pavement of roads and streets at tropical zones Abstract (if layers are sufficiently compacted) is due to increase of asphalt layers temperature and consequential decrease of modulus of elasticity. ...
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Numerical Solution for Gate Induced Vibration Due to Under Flow Cavitation
(Materials and Energy Research Center, 2001-08-01)Among the many force s to which hydraulic structures are exposed to, the forces induced by cavitation incident are of typical hydrodynamic unknown forces. The aim of this study is to define these forces as coupled ...



