Yazar "Sözen, Adnan" için listeleme
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Calculation for the thermodynamic properties of an alternative refrigerant (R508b) using artificial neural network
Sözen, Adnan; Özalp, Mehmet; Arcaklioğlu, Erol (Pergamon-Elsevier Science Ltd, 2007)This study proposes a alternative approach based on artificial neural networks (ANNs) to determine the thermodynamic properties - specific volume, enthalpy and entropy - of an alternative refrigerant (R508b) for both ... -
Comparative study of mathematical and experimental analysis of spark ignition engine performance used ethanol-gasoline blend fuel
Serdar Yücesu, H.; Sözen, Adnan; Topgul, Tolga; Arcaklioğlu, Erol (Pergamon-Elsevier Science Ltd, 2007)This study consists of two cases: (i) The experimental analysis: Ethanol obtained from biomass can be used as a fuel in spark ignition engines. As renewable energy source ethanol, due to the high octane number, low emissions ... -
Determination of residual stresses based on heat treatment conditions and densities on a hybrid (FLN2-4405) powder metallurgy steel using artificial neural network
Kafkas, Firat; Karataş, Çetin; Sözen, Adnan; Arcaklioglu, Erol; Saritaş, Süleyman (Elsevier Sci Ltd, 2007)This paper presents a new approach based on artificial neural networks (ANNs) to determine the residual stresses in PM steel based nickel (FLN2-4405). This study consists of two cases: (i) The experimental analysis: The ... -
Estimation of GHG Emissions in Turkey Using Energy and Economic Indicators
Sözen, Adnan; Gülseven, Zafer; Arcaklıoğlu, Erol (Taylor & Francis Inc, 2009)The greenhouse gas emissions (total greenhouse gas, CO2, CO, SO2, NO2, E (emissions of non-methane volatile organic compounds)) covered by the Kyoto Protocol are weighted by their global warming potentials and aggregated ... -
Estimation of Net Energy Consumption in Turkey Using Different Indicators
Sözen, Adnan; Arcaklıoğlu, Erol; Tekiner, Zafer (Taylor & Francis Inc, 2009)The main subject in this study is to obtain equations to predict net energy consumption of Turkey using energy sources and economic indicators by artificial neural network approach in order to determine the future level ... -
Exergy analysis of an ejector-absorption heat transformer using artificial neural network approach
Sözen, Adnan; Arcaklioğlu, Erol (Pergamon-Elsevier Science Ltd, 2007)This paper proposes artificial neural networks (ANNs) technique as a new approach to determine the exergy losses of an ejector-absorption heat transformer (EAHT). Thermodynamic analysis of the EAHT is too complex due to ... -
Experimental and theoretical investigations of mouldability for feedstocks used in powder injection moulding
Experimental and theoretical analyses of mouldability for feedstocks used in powder injection moulding are performed. This study covers two main analyses. (i) The experimental analysis: the barrel temperature, injection ... -
Forecasting based on neural network approach of solar potential in Turkey
Sözen, Adnan; Arcakhoğlu, Erol; Özalp, Mehmet; Çağlar, Naci (Pergamon-Elsevier Science Ltd, 2005)As Turkey lies near the sunny belt between 36 and 42 degrees N latitudes, most of the locations in Turkey receive abundant solar energy. Average annual temperature is 18-20 degrees C on the south coast, falls down to 14-16 ... -
Forecasting based on sectoral energy consumption of GHGs in Turkey and mitigation policies
Sözen, Adnan; Gülseven, Zafer; Arcaklioglu, Erol (Elsevier Sci Ltd, 2007)Recently, global warming and its effects have become one of the most important themes in the world. Under the Kyoto Protocol, the EU has agreed to an 8% reduction in its greenhouse gas (GHG) emissions by 2008-2012. The GHG ... -
Forecasting net energy consumption using artificial neural network
Sözen, Adnan; Akcayol, M. Ali; Arcaklıoğlu, Erol (Taylor & Francis Inc, 2006)The main goal of this study is to develop the equations for forecasting net energy consumption (NEC) using the artificial neural network (ANN) technique in order to determine the future level of the energy consumption in ... -
Formulation based on artificial neural network of thermodynamic properties of ozone friendly refrigerant/absorbent couples
Sözen, Adnan; Arcaklıoğlu, Erol; Özalp, Mehmet (Pergamon-Elsevier Science Ltd, 2005)This paper presents a new approach based on artificial neural networks (ANNs) to determine the properties of liquid and two phase boiling and condensing of two alternative refrigerant/absorbent couples (methanol/LiBr and ... -
Modelling of Turkey's net energy consumption using artificial neural network
The main goal of this study is to develop the equations for forecasting net energy consumption (NEC) using artificial neural network (ANN) technique in order to determine the future level of the energy consumption in Turkey. ... -
Modelling of yield length in the mould of commercial plastics using artificial neural networks
Karataş, Çetin; Sözen, Adnan; Arcaklioglu, Erol; Ergüney, Sami (Elsevier Sci Ltd, 2007)According to the yield length of a plastic, whether a mould is filled fully or not can be estimated. In this study, a new formula based on various injection parameters was developed to determine the yield length in plastic ... -
Performance parameters of an ejector-absorption heat transformer
Sözen, Adnan; Arcaklioğlu, Erol; Özalp, Mehmet; Yücesu, Serdar (Elsevier Sci Ltd, 2005)Ejector-absorption heat transformers (EAHTs) are attractive for increasing a solar-pond's temperature and for recovering low-level waste-heat. Thermodynamic analysis of the performance of an EAHT is complicated due to the ... -
Prediction of net energy consumption based on economic indicators (GNP and GDP) in Turkey
Sözen, Adnan; Arcaklıoğlu, Erol (Elsevier Sci Ltd, 2007)The most important theme in this study is to obtain equations based on economic indicators (gross national product - GNP and gross domestic product - GDP) and population increase to predict the net energy consumption of ... -
Solar potential in Turkey
Sözen, Adnan; Arcaklıoğlu, Erol (Elsevier Sci Ltd, 2005)Most of the locations in Turkey receive abundant solar-energy, because Turkey lies in a sunny belt between 36degrees and 42 degreesN latitudes. Average annual temperature is 18 to 20 degreesC on the south coast, falls to ... -
Solar-energy potential in Turkey
Sözen, Adnan; Arcaklıoğlu, Erol; Özalp, Mehmet; Kanıt, E. Galip (Elsevier Sci Ltd, 2005)In this study, a new formula based on meteorological and geographical data was developed to determine the solar-energy potential in Turkey using artificial neural-networks (ANNs). Scaled conjugate gradient (SCG) and ... -
Turkey's net energy consumption
Sözen, Adnan; Arcaklıoğlu, Erol; Özkaymak, Mehmet (Elsevier Sci Ltd, 2005)The main goal of this study is to develop the equations for forecasting net energy consumption (NEC) using an artificial neural-network (ANN) technique in order to determine the future level of energy consumption in Turkey. ...