Yazar "Kecebas, Ali" için listeleme
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A comparative study on conventional and advanced exergetic analyses of geothermal district heating systems based on actual operational data
Hepbasli, Arif; Kecebas, Ali (Elsevier Science Sa, 2013)This paper comparatively evaluates exergy destructions of a geothermal district heating system (GDHS) using both conventional and advanced exergetic analysis methods to identify the potential for improvement and the ... -
Comparing advanced exergetic assessments of two geothermal district heating systems for residential buildings
Kecebas, Ali; Coskun, Can; Oktay, Zuhal; Hepbasli, Arif (Elsevier Science Sa, 2014)Advanced exergy analysis method has been increasingly utilized in analyzing and assessing the performance of energy-related systems in recent years due to more deeply investigating the exergy destructions. In this study, ... -
Determination of optimum insulation thickness for environmental impact reduction of pipe insulation
Basogul, Yusuf; Demircan, Cihan; Kecebas, Ali (Pergamon-Elsevier Science Ltd, 2016)This paper reports on the use of a new method to evaluate the optimal insulation thickness according to life cycle assessment (LCA) in pipe insulation applications. In this study, the optimum insulation thickness in the ... -
Economic analysis of exergy efficiency based control strategy for geothermal district heating system
Kecebas, Ali; Yabanova, Ismail (Pergamon-Elsevier Science Ltd, 2013)In this study, the exergy efficiency based control strategy (ExEBCS) for exergy efficiency maximization in geothermal district heating systems (GDHSs) is economically evaluated. As a real case study, the Afyon GDHS in the ... -
Effect of reference state on the exergoeconomic evaluation of geothermal district heating systems
Kecebas, Ali (Pergamon-Elsevier Science Ltd, 2013)The exergy cost structure of the geothermal district heating system (GDHS) is investigated by using an exergoeconomic method called as the modified productive structure analysis (MOPSA). A parametric study is also conducted ... -
Energetic and economic evaluations of geothermal district heating systems by using ANN
Kecebas, Ali; Alkan, Mehmet Ali; Yabanova, Ismail; Yumurtaci, Mehmet (Elsevier Sci Ltd, 2013)This paper proposes an artificial neural network (ANN) technique as a new approach to evaluate the energy input, losses, output, efficiency, and economic optimization of a geothermal district heating system (GDHS). By using ... -
Exergoeconomic analysis of a district heating system for geothermal energy using specific exergy cost method
Alkan, Mehmet Ali; Kecebas, Ali; Yamankaradeniz, Nurettin (Pergamon-Elsevier Science Ltd, 2013)This study presents the exergoeconomic analysis and evaluation in order to provide cost based information and suggests possible locations/components in a GDHS (geothermal district heating system) for improving the cost ... -
An investigation on renewable energy education at the university level in Turkey
Karabulut, Abdurrahman; Gedik, Engin; Kecebas, Ali; Alkan, Mehmet Ali (Pergamon-Elsevier Science Ltd, 2011)In the present study, to discover how teaching of renewable energy sources in Turkey is carried out at the university level, a questionnaire was developed and applied at different universities in Turkey. The analyses ... -
Machine learning-based improvement of empiric models for an accurate estimating process of global solar radiation
Demircan, Cihan; Bayrakci, Hilmi Cenk; Kecebas, Ali (Elsevier, 2020)The change of the solar radiation reaching the earth depending on specific conditions brings the execution of system planning meticulously and optimally by solar power researchers to the fore. For the estimation of the ... -
The Modified Productive Structure Analysis of Afyon Geothermal District Heating System for Economic Optimization
Kecebas, Ali (Int Journal Renewable Energy Research, 2013)This study deals with exergetic and exergoeconomic analysis of geothermal district heating system (GDHS) which offers nowadays many disadvantages in the aspect of high heat losses and costs. The Afyon GDHS located in the ... -
Thermodynamic and economic evaluations of a geothermal district heating system using advanced exergy-based methods
Tan, Mehmet; Kecebas, Ali (Pergamon-Elsevier Science Ltd, 2014)In this paper, a geothermal district heating system (GDHS) is comparatively evaluated in terms of thermodynamic and economic aspects using advanced exergy-based methods to identify the potential for improvement, the ... -
Thermodynamic Optimization of a Geothermal-Based Organic Rankine Cycle System Using an Artificial Bee Colony Algorithm
Ozkaraca, Osman; Kecebas, Pinar; Demircan, Cihan; Kecebas, Ali (Mdpi Ag, 2017)Geothermal energy is a renewable form of energy, however due to misuse, processing and management issues, it is necessary to use the resource more efficiently. To increase energy efficiency, energy systems engineers carry ... -
The use of artificial neural network to evaluate insulation thickness and life cycle costs: Pipe insulation application
Kayfeci, Muhammet; Yabanova, Ismail; Kecebas, Ali (Pergamon-Elsevier Science Ltd, 2014)This paper reports on the use of artificial neural networks (ANNs) to predict insulation thickness and life cycle costs (LCCs) for pipe insulation applications. Data were collected from insulation markets and some data ...
