Başlık için Mühendislik Fakültesi listeleme
Toplam kayıt 847, listelenen: 311-330
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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 ... -
Experimental and parametric studies on the effect of waste cooking oil methyl ester with diesel fuel in compression ignition engine
(Elsevier, 2022)Diesel engine discharge characteristics are primarily influenced by fuel qualities, combustion chamber type, and injection settings. This study used combinations of biodiesel, waste cooking oil, and diesel fuel to do a ... -
Experimental and simulated investigation of a single-phase transformerless H5 inverter topology
(Tafila Technical University, 2024)This paper aims to simulate and experimentally apply a single-phase transformerless H5 inverter topology. The H5 inverter topology is simulated in MATLAB/Simulink environment as both off-grid and grid-connected. The ... -
Experimental and statistical analysis of the effects of punching and laser cutting methods on induction motor efficiency and total magnetic losses in silicon lamination sheets
(Elsevier, 2023)In this study, M400-50A electrical steel laminations (ESLs) used in electrical machines were cut with punching and laser methods and the effect of these cutting methods on the efficiency and total losses of induction motors ... -
Experimental and theoretical examination of the energy performance and CO2 emissions of room air conditioners utilizing natural refrigerant R290 as a substitute for R22
(Springer, 2023)The purpose of this research is to analyze the performance of an air conditioner that uses natural refrigerant R290 both analytically and experimentally. The feasibility of R290 for R22 air conditioner is examined thoroughly. ... -
An experimental case study on the effect of condenser geometry in a refrigerator: Sub-cooling and coefficient of performance issues
(Elsevier, 2023)The study aims to establish the role of the condenser and condenser geometry in the performance enhancement of the future generation of mid-sized refrigerators. Experimental and statistical methods were used to examine the ... -
Experimental investigation and a new predictive tool for thermal performance of pulsating heat pipes
(Springer, 2023)In the present study, binary-fluid-charged uniform and nonuniform flat plate closed loop pulsating heat pipes (FP-CLPHP) are experimentally investigated in comparative manner, and a novel correlation with innovative point ...
