Volume 27, Issue 2
مرور بر اساس
ارسال های اخیر
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Experimental Investigation of Force Convection Heat Transfer in a Car Radiator Filled with SiO2-Water Nanofluid
(Materials and Energy Research Center, 2014-02-01)In this study, effect of adding in SiO2 nanoparticle in base fluid (water) in car radiator is investigated experimentally. Radiators are compact heat exchangers that optimized and evaluated by considering different working ...
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Behavior of Compacted Lime-soil Columns
(Materials and Energy Research Center, 2014-02-01)This study presents the results of large scale laboratory model tests to investigate the behavior of Compacted Lime – Well-graded Soil (CL-WS) rigid stone columns in soft soils. The unit cell idealization is used for ...
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Evaluation of Static and Dynamic Methods for Determining the Bearing Capacity of the Driven Pipe Piles (TECHNICAL NOTE)
(Materials and Energy Research Center, 2014-02-01)Determination of the pile capacity is always a major concern for the safe geotechnical engineering design. Different direct and indirect methods have been proposed for determining pile bearing capacity such as static and ...
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Convective Heat Transfer of Oil Based Nanofluid Flow Inside a Circular Tube
(Materials and Energy Research Center, 2014-02-01)Abstract An empirical investigation was carried out to study convective heat transfer of nanofluid flow inside an inclined copper tube under uniform heat flux condition. Required data are acquired for laminar and ...
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Leaching Kinetics of Stibnite in Sodium Hydroxide
(Materials and Energy Research Center, 2014-02-01)Spherical pellets of antimony sulphide were dissolved in 1 molar sodium hydroxide solutions at different temperatures. It was found that the shrinking core with ash layer model could satisfactorily explain the dissolution ...
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Structural and Functional Analysis of an Industrial, Flexible, and Demountable Wall Panel System (RESEARCH NOTE)
(Materials and Energy Research Center, 2014-02-01)Building waste is a critical issue in current construction. Innovative design strategies are required to reduce the depletion of valuable materials and resources through providing flexible and versatile structures. This ...
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Influence of Nano-silica and Polypropylene Fibers on Bond Strength of Reinforcement and Structural Lightweight Concrete (RESEARCH NOTE)
(Materials and Energy Research Center, 2014-02-01)In this study, first by surveythe parameters affecting the compressive strength, such as water to cement ratio, cementgrade, silica fume to cement percentage, and the various ratios oflight weight aggregate LECA, to total ...
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Comparison of using Different Modeling Techniques on the Prediction of the Nonlinear Behavior of R/C Shear Walls
(Materials and Energy Research Center, 2014-02-01)Abstract: Reinforced concrete shear walls have been used throughout the world as known resisting elements for the lateral wind and earthquake loads. They are mostly designed and constructed based on elastic calculations ...
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Analytical and Experimental Investigation of I Beam-to-CFT Column Connections under Monotonic Loading (RESEARCH NOTE)
(Materials and Energy Research Center, 2014-02-01)In this study, the behavior characteristics of I beam-to-concrete filled tube (CFT) column connection is studied through experiment and finite element models under the monotonic loading. To validate the finite element ...
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Investigation of Correlations between Seismic Parameters and Damage Indices for Earthquakes of Iran Region (TECHNICAL NOTE)
(Materials and Energy Research Center, 2014-02-01)Seismic record of an earthquake contains important and significant data about characteristics of a ground motion. In this study, interdependencies between important seismic parameters and three overall structural damage ...
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Entropy Generation of Double Diffusive Natural Convection in a Three Dimensional Differentially Heated Enclosure
(Materials and Energy Research Center, 2014-02-01)Entropy generation of double diffusive natural convection in a three dimensional differentially heated enclosure has been performed numerically. Vertical walls of enclosure are heated differentially and remaining walls are ...
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Modification of Polyaniline/Polystyrene and Polyaniline/Metal Oxide Structure by Surfactant
(Materials and Energy Research Center, 2014-02-01)Polyaniline/polystyrene (PAni/PS) composites were prepared in aqueous solution by polymerization of styrene and aniline in two-stages. Firstly styrene polymerize by using Ammonium persulfate (APS) as an oxidant in the ...
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Preparation and Characterization of Polyaniline/Sb2O3 Nanocomposite and its Application to Removal of Pb(ІІ) from Aqueous Media
(Materials and Energy Research Center, 2014-02-01)Nanocomposite of polyaniline (PAn) containing nanometre size Sb2O3 was prepared in aqueous media in situ chemical oxidative polymerization method at room temperature in the presence of hydroxypropylcellulose (HPC) as a ...
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Influence of Glycerol and Clay Contents on Biodegradability of Corn Starch Nanocomposites
(Materials and Energy Research Center, 2014-02-01)In this study, biodegradation of corn starch/glycerol/Na-MMT nanocomposites by soil burial tests were carried out for up to 6 months. Films were prepared by casting method according to central composite design and response ...
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Modeling of TiO2-water Nanofluid Effect on Heat Transfer and Pressure Drop
(Materials and Energy Research Center, 2014-02-01)This paper reports a numerical study on the force convection heat transfer and flow characteristics of a nanofluid containing water and Tio2 with various volume fractions (0.002
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Effect of Organic Substrate on Promoting Solventogenesis in Ethanologenic Acetogene Clostridium ljungdahlii ATCC5538
(Materials and Energy Research Center, 2014-02-01)Clostridium ljungdahlii is a strictly anaerobic acetogene known for its ability to ferment a wide variety of substrates to ethanol and acetate. This bacterium presents a complex anaerobic metabolism including the acetogenic ...
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A comparison on Lipase Production from Soybean meal and Sugarcane Bagasse in Solid State Fermentation using Rhizopus oryzae
(Materials and Energy Research Center, 2014-02-01)In this study, solid-state fermentation of two types of agricultural residues/products for lipase production in a tray-bioreactor was investigated. Rhizopus oryzae was used as a potential fungus strain and two types of ...
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Effect of Total Solid Content to Biogas Production Rate from Vinasse (RESEARCH NOTE)
(Materials and Energy Research Center, 2014-02-01)Vinasse that has high COD and total solid content is bottom of distillation from unit of bioethanol production Vinasse treatment using anaerobic digestion produced biogas. This research used anaerobic digester-laboratory ...



