Yazar "Şöhret, Yasin" için Havacılık ve Uzay Bilimleri Fakültesi listeleme
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Advanced exergy analysis of an aircraft gas turbine engine: Splitting exergy destructions into parts
Şöhret, Yasin; Acikkalp, Emin; Hepbaşlı, Arif; Karakoç, Tahir Hikmet (Pergamon-Elsevier Science LTD, 2015)Advanced exergy analysis of an aircraft gas turbine engine is presented in this paper. In this framework, the main exergy parameters of the engine components are introduced while the exergy destruction rates within the ... -
ANFIS-based comparative exhaust gases emissions prediction model of a military aircraft engine
Yazar, Işıl; Şöhret, Yasin; Karakoç, Tahir Hikmet (Inderscience Enterprises LTD, 2017)In this paper, comparison of estimation methods for exhaust gaseous emissions developed for a military aircraft engine via adaptive neuro-fuzzy inference system (ANFIS) structure is introduced. For system identification ... -
Carbon Foot Print of a Passanger Aircraft Engine at Landing and Take-Off Cycle
Şöhret, Yasin; Karakoç, Tahir Hikmet (Springer Int Publishing Ag, 2016)… -
Combustion efficiency analysis and key emission parameters of a turboprop engine at various loads
Şöhret, Yasin; Kincay, Olcay; Karakoç, Tahir Hikmet (Elsevier Sci LTD, 2015)In this study, combustion efficiency of a military type turboprop engine is determined at various loads with the aid of emission data. Also, emission data collected from the engine run at various loads by experimental ... -
Customised application of exergy analysis method to PW120A turboprop engine for performance evaluation
Şöhret, Yasin; Sögüt, M. Ziya; Karakoç, Tahir Hikmet; Turan, Önder (Inderscience Enterprises LTD, 2016)In this paper, first and second laws of thermodynamics are applied on a turboprop engine of a regional aircraft. Performance parameters of the engine are assessed under take-off conditions and maximum power settings. Energy ... -
The effects of hydrogen fuel usage on the exergetic performance of a turbojet engine
Balli, Özgür; Şöhret, Yasin; Karakoç, Tahir Hikmet (Pergamon-Elsevier Science LTD, 2018)In this study, the hydrogen fuel effect on the exergetic performance of a turbojet engine used in a military trainer aircraft is investigated. For the first step, the performance assessments of the exergetic performance ... -
An environment-friendly engine selection methodology for aerial vehicles
Şöhret, Yasin; Kincay, Olcay; Karakoç, Tahir Hikmet (Taylor & Francis Inc, 2018)Emitted exhaust gases from aircraft are an issue of concern from an environmental perspective. Many research studies have been conducted aiming to reduce aircraft emissions in the hope of preventing any further increase ... -
Environmental assessment of a micro turbojet engine with the aid of exergy
Çoban, K.; Şöhret, Yasin; Colpan, C. Özgür; Karakoç, Tahir Hikmet (American Institute of Aeronautics and Astronautics Inc, AIAA, 2016)Environmental impact of the aviation industry has been an important issue in last decade. In order to decrease the environmental effect and to improve the efficiency of aero engines, one needs to understand the performance ... -
Exergy Approach to Evaluate Performance of a Mini Class Turboprop Engine
Çoban, Kahraman; Şöhret, Yasin; Söğüt, Mehmet Ziya; Turan, Önder; Karakoç, Tahir Hikmet (Springer International Publishing Ag, 2017)In this chapter, performance assessment of a mini class turboprop engine is presented. Exergy analysis is used for this purpose on the basis of applicability on thermal systems. As a result of the component-based exergy ... -
Exergy as a useful tool for the performance assessment of aircraft gas turbine engines: A key review
Şöhret, Yasin; Ekici, Selçuk; Altuntaş, Önder; Hepbaşlı, Arif; Karakoç, Tahir Hikmet (Pergamon-Elsevier Science LTD, 2016)It is known that aircraft gas turbine engines operate according to thermodynamic principles. Exergy is considered a very useful tool for assessing machines working on the basis of thermodynamics. In the current study, ... -
Exergy indicators of a low-emission aero-engine combustor
Şöhret, Yasin; Karakoç, Tahir Hikmet (Emerald Group Publishing LTD, 2018)Purpose It is essential to develop more environment-friendly energy systems to prevent climate change and minimize environmental impact. Within this scope, many studies are performed on performance and environmental ... -
Greenization factor of a turbojet engine
Şöhret, Yasin; Karakoç, Tahir Hikmet (Springer International Publishing, 2017)[No abstract available] -
Performance Evaluation of an Experimental Turbojet Engine
Ekici, Selçuk; Şöhret, Yasin; Çoban, Kahraman; Altuntaş, Önder; Karakoç, Tahir Hikmet (Walter De Gruyter GMBH, 2017)An exergy analysis is presented including design parameters and performance assessment, by identifying the losses and efficiency of a gas turbine engine. The aim of this paper is to determine the performance of a small ... -
Sustainability Assessment of a Turboprop Engine: Exergy-Based Method
Şöhret, Yasin; Sögüt, M. Ziya; Turan, Önder; Karakoç, Tahir Hikmet (Springer International Publishing Ag, 2017)Sustainable energy utilization is a necessary to reduce environmental impact and combat global warming in twenty-first century. For this purpose, sustainability parameters of a turboprop engine are presented with exergetic ... -
Sustainability Metrics of a Small Scale Turbojet Engine
Ekici, Selçuk; Şöhret, Yasin; Çoban, Kahraman; Altuntaş, Önder; Karakoç, Tahir Hikmet (Walter De Gruyter GMBH, 2018)Over the last decade, sustainable energy consumption has attracted the attention of scientists and researchers. The current paper presents sustainability indicators of a small scale turbojet engine, operated on micro-aerial ... -
Using emission index to determine energy efficiency and environmental parameters of a turbofan engine at various flight phases
Şöhret, Yasin; Karakoç, Tahir Hikmet; Turan, Önder (Inderscience Enterprises LTD, 2016)In this study, an unordinary methodology for energy efficiency calculation of a turbofan engine is introduced. Emission indexes of the engine are used to find out energy efficiency and novel parameters for environmental ... -
Using exergy for performance evaluation of a conceptual ramjet engine burning hydrogen fuel
Şöhret, Yasin; Ekici, Selçuk; Karakoç, Tahir Hikmet (Pergamon-Elsevier Science LTD, 2018)Ramjet engines are widely-used devices in the defence industry and have military applications. These engine types, preferred in many fields, are known to act according to the laws of thermodynamics. For this reason, exergy ... -
Using some performance parameters to predict exhaust gas emissions of a turboprop engine: adaptive neuro-fuzzy method
Şöhret, Yasin; Yazar, Işıl; Karakoç, Tahir Hikmet (Inderscience Enterprises LTD, 2016)This paper presents an exhaust gas emissions prediction model for a turboprop engine depending on some performance parameters. Within this context, experimentally collected emissions data is used to develop a model in the ...