Volume 29, Issue 8
مرور بر اساس
ارسال های اخیر
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Numerical Investigation on the Effect of Mold Design on Shrinkage of Sand Casted Multistage BB3-6×6 Pump Casing (RESEARCH NOTE)
(Materials and Energy Research Center, 2016-08-01)Design and manufacturing technology of high pressure multistage pumps which are commonly utilized in oil and gas industries, used to be imported from foreign companies. Due to international sanctions against I. R. Iran, ...
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Oscillation Control of Aircraft Shock Absorber Subsystem Using Intelligent Active Performance and Optimized Classical Techniques Under Sine Wave Runway Excitation (TECHNICAL NOTE)
(Materials and Energy Research Center, 2016-08-01)This paper describes third aircraft model with 2 degrees of freedom. The aim of this study is to develop a mathematical model for investigation of adoptable landing gear vibration behavior and to design Proportional ...
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Experimental Study of Heat Transfer Rate in a Shell and Tube Heat Exchanger with Air Bubble Injection (TECHNICAL NOTE)
(Materials and Energy Research Center, 2016-08-01)Shell and tube heat exchangers are widely being used in many of industrial and power engineering applications. Different techniques have been employed in order to enhance the performance of the heat exchanger. Air bubble ...
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A Non-linear Integer Bi-level Programming Model for Competitive Facility Location of Distribution Centers
(Materials and Energy Research Center, 2016-08-01)The facility location problem is a strategic decision-making for a supply chain, which determines the profitability and sustainability of its components. This paper deals with a scenario where two supply chains, consisting ...
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Investigation of Entropy Generation Through the Operation of an Unlooped Pulsating Heat Pipe
(Materials and Energy Research Center, 2016-08-01)In the present study, an unlooped pulating heat pipe has been considered with two liquid slugs and three neighboirng vapor plugs.The governing equations such as momentum, energy and mass equations are solved explicitly ...
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A Multi-objective Mathematical Model for Sustainable Supplier Selection and Order Lot-Sizing under Inflation
(Materials and Energy Research Center, 2016-08-01)Recently, scholars and practitioners have shown an increased interest in the field of sustainable supplier selection and order lot-sizing. While several studies have recently carried out on this field, far too little ...
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Optimizing Flexible Manufacturing System: A Developed Computer Simulation Model
(Materials and Energy Research Center, 2016-08-01)In recent years, flexible manufacturing system as a response to market demands has been proposed to increase product diversity, optimum utilization of machines andperiods of short-term products.The development of computer ...
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Designing different Sampling Plans Based on Process Capability Index
(Materials and Energy Research Center, 2016-08-01)Acceptance sampling plan is a method to make decision on either accepting or rejecting a specific lot or more generally to inspect the quality of products that can be used by different methods. Along with this, one suitable ...
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A Multiband Multiple-input Multiple-output Antenna System for Long Term Evolution and Wireless Local Area Networks Handsets
(Materials and Energy Research Center, 2016-08-01)A novel multiband multiple-input-multiple-output (MIMO) antenna system is proposed. The MIMO antenna system consists of two antenna elements, each of which comprises of three radiators: a driven monopole, an S-shaped strip ...
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Adaptive Fuzzy Dynamic Sliding Mode Control of Nonlinear Systems
(Materials and Energy Research Center, 2016-08-01)Two phenomena can produce chattering: switching of input control signal and the large amplitude of this switching (switching gain). To remove the switching of input control signal, dynamic sliding mode control (DSMC) is ...
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Compact and Efficient Active Vibro-acoustic Control of a Smart Plate Structure
(Materials and Energy Research Center, 2016-08-01)An effective wide band active control law through one kind of the Dynamic Vibration Absorber (DVA) is proposed and studied in this paper. With the help of mechanical impedance method, active DVA control law is formulated ...
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An Efficient Curvelet Framework for Denoising Images
(Materials and Energy Research Center, 2016-08-01)Wiener filter suppresses noise efficiently. However, it makes the out image blurred. Curvelet preserves the edges of natural images perfectly, but, it produces visual distortion artifacts and fuzzy edges to the restored ...
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Effect of Different Turbine-generator Shaft Models on the Subsynchronous Resonance Phenomenon in the Double Cage Induction Generator Based Wind Farm
(Materials and Energy Research Center, 2016-08-01)This paper focuses on the turbine-generator shaft models of double-cage Induction Generator (IG) based wind farm and its influence on the sub-synchronous resonance phenomenon. For this purpose, six different shaft models ...
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New Low Cost Printed Antenna CPW-Fed for Global Positioning System, Personal Communication System and Worldwide Interoperability for Microwave Access Band Applications (TECHNICAL NOTE)
(Materials and Energy Research Center, 2016-08-01)This paper presents a new design of a CPW-Fed multi bands planar antenna. This antenna can be integrated easily with passive and active elements. The proposed antenna is suitable to operate for GPS, PCS and WiMAX bands. ...
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Studies of Drop Behavior and Prediction of Sauter Mean Drop Diameter in Various Rotary Agitated Extraction Columns
(Materials and Energy Research Center, 2016-08-01)Knowledge of droplet behavior is one of the most important criteria for determination of mass transfer kinetics for choosing the type of liquid-liquid extraction columns. Mean drop size data of dispersed phase droplets in ...
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Kinetics Studies Impact of Initial pH and Addition of Yeast Saccharomyces cerevisiae on Biogas Production from Tofu Wastewater in Indonesia
(Materials and Energy Research Center, 2016-08-01)The purpose of this work was to study the effect of initial pH and yeast Saccharomyces Cerevisiae on biogas production from tofu wastewater (TW). The initial pH was varied in ranging of 5 – 9 in substrate without yeast ...
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Production of Single Cell Protein from Sugarcane Bagasse by Saccharomyces cerevisiae in Tray Bioreactor
(Materials and Energy Research Center, 2016-08-01)In this study, solid state fermentation (SSF) was carried out to produce single cell protein (SCP) from sugarcane bagasse using Saccharomyces cerevisiae. The SSF experiment were performed in a tray bioreactor. The influence ...
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Development of an Enhanced Gain Substrate Integrated Waveguide H-plane Horn Antenna Using Thin Substarte
(Materials and Energy Research Center, 2016-08-01)In this paper a dual band and high gain H-plane horn antenna implemented by substrate integrated waveguide (SIW) using a single layer thin substrate is introduced. The proposed antenna consists of five parts of rectangular ...



