Açık Akademik Arşiv Sistemi

Browsing Makale Koleksiyonu by Subject "Energy & Fuels"

Browsing Makale Koleksiyonu by Subject "Energy & Fuels"

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  • A new approach to the simulation of thermal systems 
    Sözbir, Nedim (ASME-AMER SOC MECHANICAL ENG, 2006)
    In this paper, thermal systems are simulated and analyzed with a new approach. Thermal system design equations can be obtained as a nonlinear algebraic equation system and then this nonlinear equation system is converted ...
  • An experimental study of energy balance in low heat rejection diesel engine 
    Taymaz, İmdat (PERGAMON-ELSEVIER SCIENCE LTD, 2006)
    In a conventional internal combustion engine, approximately one-third of total fuel input energy is converted to useful work. Since the working gas in a practical engine cycle is not exhausted at ambient temperature, a ...
  • CFD modelling and experimental validation of cell performance in a 3-D planar SOFC 
    Ismet Tikiz; Taymaz, İmdat; Pehlivan, Hüseyin (PERGAMON-ELSEVIER SCIENCE LTD, 2019)
    Fuel cells can be used to provide power for most electrical or electronic devices designed for operation from batteries or from conventional utility power sources. In this study, a three dimensional Computational Fluid ...
  • First and second law analysis of low heat rejection diesel engine 
    Yaşar, Halit (ELSEVIER SCI LTD, 2008)
    In this study, a comparative first and second law analysis of a turbocharged diesel engine was performed. The main aim was to investigate the impact of thermal insulation on energy, and exergy balances of the engine. For ...
  • IOP Conference Series-Earth and Environmental Science 
    Ünverdi, Murat; R Renato; A Barnett; T Shamim; K Eguchi (IOP PUBLISHING LTD, 2017)
    In this study, the availability of waste heat in a power generating capacity of 47.4 MW in Germencik Geothermal Power Plant has been investigated via binary geothermal power plant. Refrigerant fluids of 7 different single ...
  • IOP Conference Series-Earth and Environmental Science 
    E. E. Kahveci; Taymaz, İmdat (IOP PUBLISHING LTD, 2018)
    In this study it was experimentally investigated the effect of mass flow rates of reactant gases which is one of the most important operational parameters of polymer electrolyte membrane (PEM) fuel cell on power density. ...
  • Microwave-assisted pilot-scale biodiesel production and engine tests 
    Veli Gokhan Demir; Hayrettin Yuksel; Hasan Koten; M. Zafer Gul; Soyhan, Hakan Serhad (ICE PUBLISHING, 2019)
    A pilot-scale microwave-assisted biodiesel reactor (60 I) was designed, manufactured and utilised to produce biodiesel from sunflower, canola and soybean oils. In addition, the engine performance and exhaust emissions of ...
  • Numerical modeling of a ground source heat pump: The Bolu case 
    Unal Camdali; Murat Bulut; Sözbir, Nedim (PERGAMON-ELSEVIER SCIENCE LTD, 2015)
    The purpose of this study is to present the numerical modeling techniques for a Ground Source Heat Pump (GSHP): The Bolu case. Numerical modeling of the GSHP system with horizontal ground heat exchangers operating in heating ...
  • Numerical study of assembly pressure effect on the performance of proton exchange membrane fuel cell 
    Taymaz, İmdat (PERGAMON-ELSEVIER SCIENCE LTD, 2010)
    The performance of the fuel cell is affected by many parameters. One of these parameters is assembly pressure that changes the mechanical properties and dimensions of the fuel cell components. Its first duty, however, is ...
  • Performance analysis of Germencik Geothermal Power Plant 
    Ünverdi, Murat (PERGAMON-ELSEVIER SCIENCE LTD, 2013)
    The objective of this study is to calculate the efficiency of exergy in Germencik Geothermal Power Plant, which has a power output of 47.4 MWe. As being the largest one in Turkey, this plant is operated by double-flash ...
  • Sustainable energy production and consumption in Turkey: A review 
    Soyhan, Hakan Serhad (PERGAMON-ELSEVIER SCIENCE LTD, 2009)
    In this century, energy has been the driving force of the global economy and it will, for sure, continue to be one of the most important element for the sustainable socio-economic development for the coming centuries. ...
  • The effect of the number of tube rows on heat, mass and momentum transfer in flat-plate finned tube heat exchangers 
    Taymaz, İmdat; Gündüz, Mehmet; Halıcı, Fethi (PERGAMON-ELSEVIER SCIENCE LTD, 2001)
    The effect of the number of tube rows on heat, mass and momentum transfer is experimentally investigated for flat-plate, finned-tube heat exchangers which consist of aluminum. fins and copper tubes. Four flat-plate finned-tube ...
  • Thermodynamic analysis of a gamma type Stirling engine in non-ideal adiabatic conditions 
    Parlak, Nezaket; Soyhan, Hakan Serhad (PERGAMON-ELSEVIER SCIENCE LTD, 2009)
    In this study, a thermodynamic analysis of a gamma type Stirling engine is performed by using a quasi steady flow model based on Urieli and Berchowitz's works. The Stirling engine analysis is performed for five principal ...