Yazar "Aydın, Hakan" için Makale Koleksiyonu listeleme
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Component-based exergetic measures of an experimental turboprop/turboshaft engine for propeller aircrafts and helicopters
Aydın, Hakan; Turan, Önder; Karakoç, Tahir Hikmet; Midilli, Adnan (Inderscience Enterprises LTD, 2012)In this paper, component-based exergetic assessment is presented for an experimental turboprop/turboshaft engine, including comparisons and exergetic performance such as their efficiencies, improvement potentials, exergy ... -
Dynamic modeling of exergy efficiency of turboprop engine components using hybrid genetic algorithm-artificial neural networks
Baklacıoğlu, Tolga; Turan, Önder; Aydın, Hakan (Pergamon-Elsevier Science LTD, 2015)Genetic algorithm is utilized to design the optimum initial value of parameters and topology of the artificial neural network which is trained by applying the improved backpropagation algorithm using momentum factor so as ... -
Energetic and exergetic efficiency modeling of a cargo aircraft by a topology improving neuro-evolution algorithm
Baklacıoğlu, Tolga; Aydın, Hakan; Turan, Önder (Pergamon-Elsevier Science LTD, 2016)An aircraft is a complex system that requires methodologies for an efficient thermodynamic design process. So, it is important to gain a deeper understanding of energy and exergy use throughout an aircraft. The aim of this ... -
Environmental impact assessment of a turboprop engine with the aid of exergy
Atılgan, Ramazan; Turan, Önder; Altuntaş, Önder; Aydın, Hakan; Synylo, Kateryna (Pergamon-Elsevier Science LTD, 2013)To develop approaches that effectively reduce engine environmental effect of aircrafts, it is necessary to understand the mechanisms that have enabled improvements in thermodynamic efficiency of aircraft engines. In the ... -
Exergetic and exergo-economic analysis of a turboprop engine: a case study for CT7-9C
Aydın, Hakan; Turan, Önder; Midilli, Adnan; Karakoç, Tahir Hikmet (Inderscience Enterprises LTD, 2012)The turboprop engine has played an important role in short haul commuter and military transport aircraft where high speed is not critical. It may provide the aviation sector with one of the most significant means of achieving ... -
Exergo-sustainability indicators of a turboprop aircraft for the phases of a flight
Aydın, Hakan; Turan, Önder; Karakoç, Tahir Hikmet; Midilli, Adnan (Pergamon-Elsevier Science LTD, 2013)One of the key challenges for sustainable aviation is to reduce global and local environmental impacts. The scope of this study is analysed and discussed in detail for better understanding of sustainability performances ... -
Numerical calculation of energy and exergy flows of a turboshaft engine for power generation and helicopter applications
Turan, Önder; Aydın, Hakan (Pergamon-Elsevier Science LTD, 2016)Fuel efficiency of aircraft and helicopter becomes greater concern in recent years caused by rising fuel costs and as well as environmental impact of aviation emissions. Modern helicopters, however, highly complex systems ... -
Sustainability assessment of PW6000 turbofan engine: an exergetic approach
Aydın, Hakan; Turan, Önder; Karakoç, Tahir Hikmet; Midilli, Adnan (Inderscience Enterprises LTD, 2014)In this paper, theory, methodology and example application are developed and shown for a PW6000 high-bypass turbofan engine in terms of exergo-sustainable perspective. To obtain exergetic sustainability indicators, first, ...