• Feasibility Study on Synthesis of Zeolite from Coal Wastes of Coal Washing Plants 

  Khoshdast, H؛ Ranjbar, M (Islamic Azad University, South Tehran Branch, 2010-12-01)

  Zeolite was synthesized from coal tailings and coal fly ash sampled from Zarand coal washing plant, Iran, using H2O2–promoted hydrothermal treatment. Samples consisted mainly of SiO2 and Al2O3 which are the main components ...

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• Ultrasonic degradation of hydrogels in aqueous solutions 

  Ebrahimi, R؛ Ghasemzadeh Mohammadi, H؛ Safdari Ahmadabad, R؛ Rahmani, M (Islamic Azad University, South Tehran Branch, 2010-12-01)

  Continuous exposure to high-energy ultrasonic waves depolymerises macromolecules in solutions and produces a permanent reduction in viscosity. Different factors affect the efficiency of this ultrasonic depolymerisation. ...

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• Effect of carbon nanotubes and activated carbon addition to the blends of monoethanolamine and triethanolamine on CO2 absorption at low partial pressures 

  Aber, S؛ Zarei, M؛ Niaei, A؛ Joshani Koshky, H (Islamic Azad University, South Tehran Branch, 2010-12-01)

  Carbon dioxide is a major greenhouse gas that contributes to the global warming by more than %60. Absorption has been widely used to treat high concentrations of CO2 in synthesis gas production, hydrogen manufacturing, and ...

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• Investigation of the flame temperature for some gaseous fuels using artificial neural network 

  Majedi Asl, Z؛ Salem, A (Islamic Azad University, South Tehran Branch, 2010-12-01)

  In the present study the adiabatic temperature of gaseous fuels were calculated and the influence of effective parameters of flame temperature was discussed. Firstly, a new computational program named FTC (Flame Temperature ...

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• Fuel combustion optimizing by regulated level of chemical underburn 

  Aleksander Szkarowski, Prof؛ Sylwia Janta-Lipi ska, M.Sc (Islamic Azad University, South Tehran Branch, 2011-03-01)

  Variety of energy–ecology optimizing means that optimum result of fuel combustion is focused not only on the direct efficiency of its usage but also on minimum environmental damage. Best possible fuel combustion connected ...

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• Autoignition of gaseous fuels in various oxidizer volumetric compositions in high temperature 

  Werle, Sebastian (Islamic Azad University, South Tehran Branch, 2011-03-01)

  The paper presents results of experimental studies on the methane and propane ignition process in various volumetric compositions of oxidizers heated to temperatures higher than ignition point of analyzed fuels (HTAC ...

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• Modeling the effect of EGR on combustion and pollution of dual fuel engines with flow field model 

  Jafarmadar, Samad؛ Zehni, Alborz (Islamic Azad University, South Tehran Branch, 2010-12-01)

  At the present work, the effect of cold exhaust gas recirculation (EGR) on combustion and pollution of a dual fuel engine has been investigated by CFD code FIRE. The turbulent flow within the combustion chamber is simulated ...

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• Static and dynamic neural networks for simulation and optimization of cogeneration systems 

  Zomorodian, Roozbeh؛ Rezasoltani, Mohsen؛ Ghofrani, Mohammad Bagher (Islamic Azad University, South Tehran Branch, 2011-03-01)

  In this paper, the application of neural networks for simulation and optimization of the cogeneration systems has been presented. CGAM problem, a benchmark in cogeneration systems, is chosen as a casestudy. Thermodynamic ...

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• Numerical simulation of a horizontal ground-coupled Heat pump 

  Javaherdeh, K؛ Karimi, H (Islamic Azad University, South Tehran Branch, 2010-12-01)

  This study represents effect of four variables in performance of a heat-pump in two cities of Tehran and Rasht. A computer program has been developed, simulating a certain heat pump acting in different environments with ...

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• Three dimensional modeling of the effects of different spray angles and number holes on the combustion process and emission formation in a direct injection diesel engine 

  Jafarmadar, S؛ Barzgar, R؛ Shafe, S (Islamic Azad University, South Tehran Branch, 2011-03-01)

  This study presents a computational study of mixture formation, flame front movement, combustion process and emission formation at the various spray angles and number holes in a direct injection diesel engine. This work ...

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• Numerical Investigation of Tub Side Heat Transfer and Pressure Drop in Helically Corrugated Tubes 

  Hossainpour, S؛ Hassanzadeh, R (Islamic Azad University, South Tehran Branch, 2011-06-01)

  This paper presents a three-dimensional numerical investigation carried out in turbulent forced convection in a tube with helical ribs. Enhancement of heat transfer using helically corrugated tubes has beenstudied ...

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• Seaweed Ulva photosynthesis and zero emissions power generation 

  Yantovski, Evgeni (Islamic Azad University, South Tehran Branch, 2011-03-01)

  The present paper is aimed at describing a “closed cycle" power plant schematic (SOFT, Solar Oxygen Fuel Turbine) with macroalgae (seaweed) cultivation in a pond, combustion of its organic matter in a fluidized bed boiler ...

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• Feasibility analysis of a combined cooling-heatingpower and desalted water plant for a non-residential building 

  Rubio-Maya, Carlos؛ Uche, Javier؛ Jesús Pacheco-Ibarra, J (Islamic Azad University, South Tehran Branch, 2011-03-01)

  A preliminary design of a polygeneration system (combined cooling-heating-power plant with a desalination unit), is proposed for a tourist resort located on the Spanish coast. The well-known trigenerationconcept is ...

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• Clean Coal Technologies for Silesia Region Results of Regional Foresight 

  Zi bik, Andrzej؛ Liszka, Marcin (Islamic Azad University, South Tehran Branch, 2011-03-01)

  The present paper deals with the results of the foresight analysis concerning the development of energy technologies in Upper Silesia. Twelve experts representing science, industry and independent authoritieswere ...

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• Performance optimization of irreversible ferromagnetic Stirling heat pumps 

  Wei, Fang؛ Wang, Ruizhe؛ Diguet, Gildas؛ Guoxing, Lin (Islamic Azad University, South Tehran Branch, 2011-06-01)

  An irreversible Stirling heat pump cycle using ferromagnetic materials as a cyclic working substance is established. The influences of finite-rate heat transfer, heat leak, regeneration time, regenerative lossand the ...

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• Developments in the production of hydrogen by thermochemical water decomposition 

  Rosen, Marc A. (Islamic Azad University, South Tehran Branch, 2011-06-01)

  Recent developments in hydrogen production by thermochemical water decomposition are reported,with an emphasis on hydrogen production from non-fossil energy sources such as nuclear and solar. Numerousdevelopments ...

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• An energy saving solution applied to the final use of electrical and lighting systems of school buildings managed by Perugia Province 

  Proietti, Stefania؛ Desideri, Umberto؛ Sdringola, Paolo؛ Millucci, Marta (Islamic Azad University, South Tehran Branch, 2011-06-01)

  In this paper, a study and design of energy conservation actions and the obtention of Energy Efficiency Titles, according to the Italian Ministerial Decree 20th July 2004, applied to lighting and electrical systemsin ...

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• Comparative Evaluation of the Effect of Partial Substitution of Diesel Fuel by Natural Gas on Performance and Emissions of a Fumigated Dual Fuel Diesel Engine 

  Papagiannakis, R. G. (Islamic Azad University, South Tehran Branch, 2011-06-01)

  Reduction of exhaust emissions is a major research task in diesel engine development in view of increasing concerns regarding environmental protection and stringent exhaust gas regulations. Simultaneousreduction of ...

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• The development impact of biodiesel: a review ofbiod iesel production in mexico 

  Víctor Hugo, Rangel-Hernández؛ Dante Patricio, Gómez-Vargas؛ Armando, Gallegos-Muñoz؛ Héctor, Plascencia- Mora (Islamic Azad University, South Tehran Branch, 2011-09-01)

  Although in Mexico the cases and the experiences in bioenergy production are limited, at a worldwide level the knowledge in this area has grown up significantly. For example, unlike Argentina and Brazil, Mexico has only ...

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• Techno-economical study of the use of Itaipu dam spilled turbinable energy to produce ammonia 

  Osvaldo Galeano Espínola, Michel (Islamic Azad University, South Tehran Branch, 2011-06-01)

  In many hydroelectric dams, when the inflows are greater than the demand for energy, a portion of the water that could be used to generate electricity is diverted to the spillway and literally wasted. This energy,

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