Kurum Yazarı "Karakoç, Tahir Hikmet" Scopus İndeksli Yayınlar Koleksiyonu İçin Listeleme
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Dynamic energy and exergy analyses of an industrial cogeneration system
Yoru, Yılmaz; Karakoç, Tahir Hikmet; Hepbaşlı, Arif (Wiley, 2010)The study deals with the energetic and exergetic analyses of a cogeneration (combined heat and power, CHP) system installed in a ceramic factory, located in Izmir, Turkey. This system has three gas turbines with a total ... -
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 ... -
Energetic and exergetic analysis of building cogeneration systems
This study deals with types of micro cogeneration (or micro combined heat and power, MCHP) systems and reviews energetic and exergetic analysis of MCHP systems, which are also called building cogeneration systems. These ... -
Energetic and exergetic performance assessment of a turboprop engine at various loads
Aydın, Hakan; Turan, Önder; Midilli, Adnan; Karakoç, Tahir Hikmet (Inderscience Enterprises LTD, 2013)It is necessary to understand the mechanisms that have enabled improvements of performance parameters such as thermodynamics efficiencies, thrust or power, specific fuel consumption and specific power in aero engines, thus ... -
Energy and exergy efficiencies of a real CHP integrated ceramic factory
Yoru, Yılmaz; Karakoç, Tahir Hikmet; Hepbaşlı, Arif (Brazilian Society of Mechanical Sciences and Engineering, 2009)This study investigates the energy and exergy efficiency results of a cogeneration system in a ceramic factory based on the results of energy and exergy analysis. The considered ceramic factory located in Izmir, Turkey has ... -
Energy, exergy analysis, and sustainability assessment of different engine powers for helicopter engines
Yıldırım, Elif; Altuntaş, Önder; Mahir, Necati; Karakoç, Tahir Hikmet (Taylor & Francis Inc, 2017)The rapid decrease of energy resources has accelerated studies on energy efficiency. Energy efficiency refers to the effective use of energy, in other words, completing a specific task to the required standard by using ... -
Enterprise Risk Management Perspective
Yılmaz, Ayşe Küçük; Karakoç, Tahir Hikmet (Springer, 2010)… -
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 ... -
Examination of performance indicators' effects based on propulsion parameters in a turboprop engine
Yalçın, Enver; Sögüt, M. Ziya; Karakoç, Tahir Hikmet (Inderscience Enterprises LTD, 2016)In this study, propulsion indicators and their effects have been described by reference to the actual data of a turboprop engine. Then, the effects of these indicators on exergetic and environmental performance efficiencies ... -
Exergetic analysis of a vertical ground-source heat pump system with wall heating/cooling
Akbulut, U.; AcikgÖz, O.; Kincay, O.; Karakoç, Tahir Hikmet (Springer International Publishing, 2014)The present study deals with an exergetic analysis and assessment of a Vertical Ground-Source Heat Pump System (VGSHP) combined with a Wall Heating System (WHCS) in a building. This study is an experimental investigation ... -
Exergetic analysis of an aircraft turbofan engine
Turgut, Enis Turhan; Karakoç, Tahir Hikmet; Hepbaşlı, Arif (John Wiley & Sons LTD, 2007)The main objective of the present study is to perform an exergy analysis of a turbofan kerosene-fired engine with afterburner (AB) at sea level and an altitude of 11000 m. The main components of this engine include a fan, ... -
Exergetic and Energetic Response Surfaces for Small Turbojet Engine
Turan, Önder; Karakoç, Tahir Hikmet (Trans Tech Publications LTD, 2012)Exergy analysis permits meaningful efficiencies to be evaluated for a system or process, and the sources, causes and locations of thermodynamic losses to be determined. This study presents exergetic modeling of a small ... -
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 ... -
Exergetic and exergoeconomic assessment of a small-scale turbojet fuelled with biodiesel
Çoban, Kahraman; Şöhret, Yasin; Colpan, C. Özgür; Karakoç, Tahir Hikmet (Pergamon-Elsevier Science LTD, 2017)Exergetic performance and exergoeconomic analyses of a small-scale turbojet engine fuelled with either conventional aviation fuel or biofuel are conducted; and the performance and cost flow of the engine are assessed. The ... -
Exergetic Destruction Effects Of Operating Conditions On The Turbojet Engine Components
Karakoç, Tahir Hikmet; Turan, Önder (Trans Tech Publications LTD, 2012)The minimization of exergy destruction brings the design as closely as permissible to the theoretical limit. This study presents exergy destruction analysis of a turbojet engine for different flight Mach number and altitudes. ... -
Exergetic performance of a low bypass turbofan engine at takeoff condition
Aydın, Hakan; Turan, Önder; Midilli, Adnan; Karakoç, Tahir Hikmet (Springer International Publishing, 2014)In this article, exergetic methodology is applied for a low bypass turbofan engine at maximum power setting. The engine is a low-bypass (0.96–1) turbofan engine and its variants fitted to the 737-100/200 all comprise six ... -
Exergetic sustainability assessment of a HALE UAV using dodecene fuel
Kaya, Nevzet; Turan, Önder; Midilli, Adnan; Karakoç, Tahir Hikmet (Inderscience Enterprises LTD, 2016)Exergetic sustainability performances of a high altitude long endurance (HALE) unmanned aerial vehicle (UAV), having a single turbofan engine and using dodecene as its fuel were investigated all along its flight profile, ...