Yazar "Arcaklioglu, E" için listeleme
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An algorithmic approach towards finding better refrigerant substitutes of CFCs in terms of the second law of thermodynamics
Arcaklioglu, E; Cavusoglu, A; Erisen, A (Pergamon-Elsevier Science Ltd, 2005)In this study, rational efficiency (RE) and component based irreversibility ratios of a cooling system based on the second law of thermodynamics using HFC and HC based pure refrigerants, such as, R32, R125, R134a, R143a, ... -
Artificial neural network analysis of heat pumps using refrigerant mixtures
Arcaklioglu, E; Erisen, A; Yilmaz, R (Pergamon-Elsevier Science Ltd, 2004)In this study, we have investigated the performance of a vapor compression heat pump with different ratios of R12/R22 refrigerant mixtures using artificial neural networks (ANN). Experimental studies were completed to ... -
A classification mechanism for determining average wind speed and power in several regions of Turkey using artificial neural networks
Cam, E; Arcaklioglu, E; Cavusoglu, A; Akbiyik, B (Pergamon-Elsevier Science Ltd, 2005)In this paper, average wind speed and wind power values are estimated using artificial neural networks (ANNs) in seven regions of Turkey. To start with, a network has been set up, and trained with the data set obtained ... -
A diesel engine's performance and exhaust emissions
Arcaklioglu, E; Celikten, I (Elsevier Sci Ltd, 2005)This paper determines, using artificial neural-networks (ANNs), the performance of and exhaust emissions from a diesel engine with respect to injection pressure, engine speed and throttle position. The design injection-pressure ... -
Effect of relative humidity on solar potential
Sozen, A; Arcaklioglu, E (Elsevier Sci Ltd, 2005)In this study, the effect of relative humidity on solar potential is investigated using artificial neural-networks. Two different models are used to train the neural networks. Meteorological and geographical data (latitude, ... -
Estimation of solar potential in Turkey by artificial neural networks using meteorological and geographical data
Sozen, A; Arcaklioglu, E; Ozalp, M (Pergamon-Elsevier Science Ltd, 2004)Turkey is located at the Mediterranean at 36degrees and 42degrees N latitudes and has a typical Mediterranean climate. The solar energy potential is very high in Turkey. The yearly average solar radiation is 3.6 kW h/m(2) ... -
Formulation based on artificial neural network of thermodynamic properties of ozone friendly refrigerant/absorbent couples
Sozen, A; Arcaklioglu, E; Ozalp, M (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 ... -
Investigation of thermodynamic properties of refrigerant/absorbent couples using artificial neural networks
Sozen, A; Ozalp, M; Arcaklioglu, E (Elsevier Science Sa, 2004)This paper presents a new approach to determine the properties of liquid and two phase boiling and condensing of two alternative refrigerant/absorbent couples (methanol-LiBr and methanol-LiCl), which do not cause ozone ... -
A new approach to thermodynamic analysis of ejector-absorption cycle: artificial neural networks
Sozen, A; Arcaklioglu, E; Ozalp, M (Pergamon-Elsevier Science Ltd, 2003)Thermodynamic analysis of absorption thermal systems is too complex because of analytic functions calculating the thermodynamic properties of fluid couples involving the solution of complex differential equations. To ... -
Performance and exhaust emissions of a biodiesel engine
Canakci, M; Erdil, A; Arcaklioglu, E (Elsevier Sci Ltd, 2006)In this study, the applicabilities of Artificial Neural Networks (ANNs) have been investigated for the performance and exhaust-emission values of a diesel engine fueled with biodiesels from different feedstocks and petroleum ... -
Performance comparison of CFCs with their substitutes using artificial neural network
Arcaklioglu, E (John Wiley & Sons Ltd, 2004)In order to decrease global pollution due to chlorofluorocarbons (CFCs), the usage of HFC- and HC-based refrigerants and their mixtures are considered instead of CFCs (R12, R22, and R502). This was confirmed by an international ... -
Performance maps of a diesel engine
Celik, V; Arcaklioglu, E (Elsevier Sci Ltd, 2005)This paper suggests a mechanism for determining the constant specific-fuel consumption curves of a diesel engine using artificial neural-networks (ANNs). In addition, fuel-air equivalence ratio and exhaust temperature ... -
Performance parameters of an ejector-absorption heat transformer
Sozen, A; Arcaklioglu, E; Ozalp, M; Yucesu, S (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 ... -
Performance prediction of a vapour-compression heat-pump
Sozen, A; Arcaklioglu, E; Erisen, A; Akcayol, MA (Elsevier Sci Ltd, 2004)The performance of the heat pump was predicted using a fuzzy-logic controller under various working-conditions and mixing ratios of R12/R22 refrigerant mixtures, instead of requiring an expensive and time consuming ... -
Prospects for utilisation of solar driven ejector-absorption cooling system in Turkey
Sozen, A; Ozalp, M; Arcaklioglu, E (Pergamon-Elsevier Science Ltd, 2004)Solar assisted refrigeration appears to be a promising alternative to the conventional electrical driven units. The main advantages of solar assisted refrigeration systems concern the reduction of peak loads for electricity ... -
Solar potential in Turkey
Sozen, A; Arcaklioglu, E (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
Sozen, A; Arcaklioglu, E; Ozalp, M; Kanit, EG (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 ... -
Thermodynamic analyses of refrigerant mixtures using artificial neural networks
Arcaklioglu, E; Cavusoglu, A; Erisen, A (Elsevier Sci Ltd, 2004)The aim of this study is to make a contribution towards the efforts of reducing the use of CFCs by finding a drop-in replacement for pure refrigerants used in domestic and industrial appliances. The suggested solution is ... -
Thermodynamic analysis of refrigerant mixtures for possible replacements for CFCs by an algorithm compiling property data
Arcaklioglu, E; Cavusoglu, A; Erisen, A (Pergamon-Elsevier Science Ltd, 2006)In this study, we formed an algorithm to find refrigerant mixtures of equal volumetric cooling capacity (VCC) when compared to CFC based refrigerants in vapor compression refrigeration systems. To achieve this aim the point ... -
Turkey's net energy consumption
Sozen, A; Arcaklioglu, E; Ozkaymak, M (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. ...