Volume 6, Issue 3
مرور بر اساس
ارسال های اخیر
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Determining the Optimal Size and Operation Sensitivity Analysis of a CCHP System Implemented in a Residential unit in Tehran
(Islamic Azad University Majlesi Branch, 2013-09-01)Abstract: Implementing a combined cooling, heating and power system(CCHP) to cool, heat and produce electricity is growing rapidly due to its efficiency and low emissions. In this paper, using economic analysis, the size ...
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Study of Skin Friction in Channels by Lattice Boltzmann Method
(Islamic Azad University Majlesi Branch, 2013-09-01)A finite volume-lattice Boltzmann algorithm is applied to study skin friction behaviour in different channel flows. For this purpose, cell centred scheme is adapted to discretize the Boltzmann equation and consistent ...
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Maximizing First Natural Frequency Of 2D Structures Using Bee Colony Optimization (BCO) and fuzzy logic
(Islamic Azad University Majlesi Branch, 2013-09-01)Nowadays, different methods are used to solve optimization problems which ,one of the newest is BCO method that are inspired by the nature and derived from the social life of bees of these methods can be noted that BCO is ...
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Experimental Examination of Intact and CFRP Retrofitted RC Beams under Monotonic and High Cycle Fatigue Loadings
(Islamic Azad University Majlesi Branch, 2013-09-01)The aim of this research is to investigate the effect of Carbon Fiber Reinforced Polymer (CFRP) composite fabric on monotonic and fatigue behaviors of reinforced concrete beams. To control the failure occurrence, a small ...
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Investigation of Variance of Roller Burnishing Parameters on Surface Quality by Taguchi Approach
(Islamic Azad University Majlesi Branch, 2013-09-01)Surface roughness of engineering parts is very significant property that effectively influences on the wear and fatigue strength. There are many methods for improving surface quality of engineering parts such as grinding, ...
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Comparison of performances of air standard Atkinson, Diesel and Otto cycles with constant specific heats
(Islamic Azad University Majlesi Branch, 2013-09-01)In this paper, the effects of input temperature and compression ratio on the net output work and efficiency of the air standard cycles, i.e. Atkinson cycle, Diesel cycle and Otto cycle are analyzed. We assumed that the ...
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A New Approach for Determining the Optimum Pressure–Time Diagram in Superplastic Forming Process
(Islamic Azad University Majlesi Branch, 2013-09-01)Superplastic materials show huge amount of deformation in low strain rates and temperature above half of melting point. In superplastic forming, estimating the pressure–time diagram and thickness distribution has significant ...
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A New Method for Biomodelling and Rapid Prototyping of Human's Hard Tissues as Substituting Prostheses
(Islamic Azad University Majlesi Branch, 2013-09-01)3D imagination of human's organs has become feasible by digital image processing techniques and algorithms via CT or MRI images in recent years. In this study, a new method for reverse engineering and biomodelling of hard ...
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Investigation of water balance in water recovery of closed steam injection gas turbine cycles
(Islamic Azad University Majlesi Branch, 2013-09-01)An industrial gas turbine has the characteristic of decreasing output power on hot summer days while electricity demand peaks. Steam injection in gas turbines has been used for many years to prevent the loss of performance ...
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Design and Analysis of a New Dental Implant using Finite Element Method
(Islamic Azad University Majlesi Branch, 2013-09-01)Dental implants restorations basically include four parts: implant, abutment, metal framework, and crown. In this common kind of restoration, crown is cemented to metal framework. However, in this research a novel method ...
