Volume 26, Issue 8
مرور بر اساس
ارسال های اخیر
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Lattice Boltzmann Simulation of Nanofluids Natural Convection Heat Transfer in Concentric Annulus (TECHNICAL NOTE)
(Materials and Energy Research Center, 2013-08-01)Abstract This study is applied Lattice Boltzmann Method to investigate the natural convection flow utilizing nanofluids in a concentric annulus. A numerical strategy presents for dealing with curved boundaries of second ...
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Modeling and Simulation of Modern Industrial Screens using Discrete Element Method (TECHNICAL NOTE)
(Materials and Energy Research Center, 2013-08-01)With progress in mineral processing technologies, particle size classification equipment has also been changed to satisfy the needs of modern plants. Accordingly, design, manufacturing and utilizing of banana screens in ...
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Energy and Exergy Analysis of Air PV/T Collector of Forced Convection with and without Glass Cover
(Materials and Energy Research Center, 2013-08-01)In this study, the overall performance of air PV/T, based on energy and exergy analysis has been investigated. Two combinations of air PV/T, which consist of unglazed and glazed air PV/T, are considered. Thermal analysis ...
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Experimental Study of the Effect of Castor Oil Biodiesel Fuel on Performance and Emissions of Turbocharged DI Diesel
(Materials and Energy Research Center, 2013-08-01)Experimental test are carried out on a semi-heavy duty Motorsazan MT4.244 agricultural engine at various loads in order to evaluate performance and emissions of DI diesel engine using the blends of diesel fuel with 5%, ...
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Convective Heat Transfer from a Heated Rotating Disk at Arbitrary Inclination Angle in Laminar Flow
(Materials and Energy Research Center, 2013-08-01)In this paper, experimental data and numerical results of heat transfer from a heated rotating disk in still air are presented over a large range of inclination angles and a dimensionless correlation is developed for forced, ...
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Adsorption of Fe (II) from Aqueous Phase by Chitosan: Application of Physical Models and Artificial Neural Network for Prediction of Breakthrough
(Materials and Energy Research Center, 2013-08-01)Removal of Fe (II) from aqueous media was investigated using chitosan as the adsorbent in both batch and continuous systems. Batch experiments were carried out at initial concentration range of 10-50 mg/L and temperature ...
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Mixed Mode Crack Propagation of Zirconia/Nickel Functionally Graded Materials
(Materials and Energy Research Center, 2013-08-01)Zirconia-nickel functionally graded materials were obtained by powder metallurgy technique. The microstructure, residual stress, fracture toughness and Vickers hardness were investigated. Mixed-mode fracture response of ...
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Effect of Corner Bluntness on Energy Absorbing Capability of Non-circular Metallic Tubes Subjected to Axial Impact
(Materials and Energy Research Center, 2013-08-01)The energy absorbing capability is one of the most important aspects of crushing behavior of a structure subjected to axial impact. In this paper, a simple practical method is introduced to enhance the crushing behavior ...
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MHD Flow of Blood through Radially Non-symmetric Stenosed Artery: a Hershcel-Bulkley Model (RESEARCH NOTE)
(Materials and Energy Research Center, 2013-08-01)The purpose of this study is to develop a mathematical model for studying the magnetic field effect on blood flow through an axially non-symmetric but radially symmetric atherosclerotic artery. Herschel-Bulkley equation ...
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Purification and Characterization of a Novel Thermostable and Acid Stable α-Amylase from Bacillus Sp. Iranian S1
(Materials and Energy Research Center, 2013-08-01)This study reports the purification and biochemical characterization of thermostable and acidic-pH-stable α-amylase from Bacillus sp. Iranian S1 isolated from the desert soil (Gandom-e-Beryan in Lut desert, Iran). Amylase ...
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Preparation of Nanochitosan as an Effective Sorbent for the Removal of Copper Ions from Aqueous Solutions
(Materials and Energy Research Center, 2013-08-01)The most important pollutants in wastewater are heavy metal ions. In this paper, the effects of various parameters such as pH, contact time, initial concentration, and temperature on the adsorption of Cu (II) by nanochitosan ...
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Thermal Conductivity of Cu and Al-Water Nanofluids
(Materials and Energy Research Center, 2013-08-01)Nanofluids are suspensions of nanoparticles in the base fluids, a new challenge for thermal sciences provided by nanotechnology. In this paper, the tested fluids are prepared by dispersing the Al and Cu into water at three ...
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Factor Effect Estimation in the Convective Heat Transfer Coefficient Enhancement of Al2O3/EG Nanofluid in a Double-pipe Heat Exchanger
(Materials and Energy Research Center, 2013-08-01)The forced convective heat transfer (CHT) coefficient of a particular nanofluid, Al2O3 nanoparticles-ethylene glycol (EG) mixture, was investigated experimentally in a double-pipe heat exchanger. The nanofluid Nusselt ...
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Encapsulation of Peppermint Oil with Arabic Gum-gelatin by Complex Coacervation Method
(Materials and Energy Research Center, 2013-08-01)The gelatin/gum Arabic microcapsules encapsulating peppermint oil were prepared by complex coacervation using tannic acid as hardening agent. The effects of various parameters, including concentration of wall material, ...



