Başlık için Mühendislik Fakültesi listeleme
Toplam kayıt 847, listelenen: 305-324
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Evaluation of waste human hair as graphene oxide and examination of some characteristic properties
(TUBITAK, 2020)In this study, graphene oxide was synthesized from activated carbon obtained from waste hair for the first time using Modified Hummers method. the Scanning Electron Microscopy (SEM), Fourier Transform Infrared Spectroscopy ... -
Examination of analytical and finite element solutions regarding contact of a functionally graded layer
(Techno-Press, 2020)In this study, the continuous and discontinuous contact problems of functionally graded (FG) layer resting on a rigid foundation were considered. the top of the FG layer was loaded by a distributed load. It was assumed ... -
An examination of nanoparticle colemanite mineral added warm mix asphalt
(Elsevier Sci Ltd, 2020)Warm mix asphalt (WMA) technologies which enable production at lower temperatures in pavement engineering have been developing. in the present study, the efficiency of colemanite mineral, which the largest reserve is located ... -
Examining the contact problem of a functionally graded layer supported by an elastic half-plane with the analytical and numerical methods
(Wiley, 2024)This study offers a comparative study of the analytical and numerical methods for investigating a contact problem. The contact problem comprises a functionally graded layer supported by a half-plane and loaded with a ... -
Exergetic analysis of a vertical ground-source heat pump system with wall heating/cooling
(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 and exergo-economic analysis of a turboprop engine: a case study for CT7-9C
(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 evaluation of a high-pressure hydrogen production system
(Springer International Publishing, 2014)This study presents exergetic assessment of a high-pressure hydrogen production system (HPS). The system considered in this study includes a high-pressure proton exchange membrane (PEM) electrolyzer, two heat exchangers, ... -
Exergetic performance comparison of air and hydrogen gas flowing through the annular curved duct
(Pergamon-Elsevier Science Ltd, 2018)The main objective of this study is to parametrically compare the exergetic performance of air and hydrogen gas flow through the curved annular duct. For this purpose, it is assumed that, i) air and hydrogen are considered ... -
Exergetic performance of a low bypass turbofan engine at takeoff condition
(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
(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, ... -
Exergetic sustainability improvement potentials of a hydrogen fuelled turbofan engine UAV by heating its fuel with exhaust gasses
(Pergamon-Elsevier Science Ltd, 2016)Exergetic sustainability parameters such as, exergy efficiency, waste exergy ratio, environmental effect factor and exergetic sustainability index were investigated for an UAV having a turbofan engine for the case its ... -
Exergetic sustainability indicators as a tool in commercial aircraft: a case study for a turbofan engine
(Taylor & Francis Inc, 2015)This paper focuses on the exergetic sustainability indicators of a medium-range commercial aircraft engine for constant reference environment and ground running conditions. First, a detailed exergy analysis of turbofan ... -
Exergetic sustainability indicators for a high pressure hydrogen production and storage system
(Pergamon-Elsevier Science Ltd, 2017)This study examines the exergetic sustainability effect of PEM electrolyzes (PEME) integrated high pressure hydrogen gas storage system whose capacity is 3 kg/h. For this purpose, the indicators, previously used in the ... -
Exergo-sustainability indicators of a turboprop aircraft for the phases of a flight
(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 ... -
Exergoeconomic evaluation and optimization of a solar-powered polygeneration system producing freshwater, electricity, hydrogen, and cooling
(Elsevier, 2024)This study presents a comprehensive exergoeconomic assessment and optimization of a pioneering solar-powered polygeneration system designed for simultaneous production of electricity, cooling, freshwater, and hydrogen, ... -
Exergoenvironmental and exergoeconomic analyses of a vertical type ground source heat pump integrated wall cooling system
(Pergamon-Elsevier Science Ltd, 2016)In this study, exergoenvironmental, and exergoeconomic analyses of wall cooling systems fed by a vertical type of ground source heat pump integrated wall cooling system for cooling were examined experimentally and theoretically ... -
Exergy analysis of a high pressure multistage hydrogen gas storage system
(Elsevier, 2011)This study presents a parametric study on the performance aspects, through exergy analysis, of the multistage hydrogen gas storage subsystem in a hydropower-based-hydrogen gas fueling station producing 3 kg of hydrogen per ... -
Exergy, exergoenvironmental and exergoeconomic evaluation of a heat pump-integrated wall heating system
(Pergamon-Elsevier Science Ltd, 2016)In this study, a vertical ground source heat pump wall heating system belonging to the Yildiz Renewable Energy House on the Davutpasa Campus of Yildiz Technical University was experimentally and theoretically studied. the ... -
Exergy-based sustainability indicators for a single layer solar drying process
(Springer International Publishing, 2014)The main objective of this study is to develop the exergetic sustainability indicators for a single layer solar drying process of the shelled and unshelled pistachio samples. In this regard, the exergetic sustainability ... -
Experimental analysis on the impacts of soil deposition and bird droppings on the thermal performance of photovoltaic panels
(Elsevier, 2023)Photovoltaic (PV) systems are capable of meeting the urgent demand for power production for both domestic and commercial purposes. PV systems possess serious drawbacks as their perfor-mance is heavily influenced by ...
