Konu "Energy" için Mühendislik Fakültesi listeleme
Toplam kayıt 21, listelenen: 1-20
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Analysis of a wall cooling system using a heat pump
(Pergamon-Elsevier Science Ltd, 2016)In this study, a vertical ground source heat pump wall cooling system that belongs to the Yildiz Renewable Energy House at the Davutpasa Campus of Yildiz Technical University was studied both experimentally and theoretically. ... -
Comparative analysis of energy costs of asymmetric vs symmetric encryption-based security applications
(IEEE, 2022)Public key algorithms are heavily used in many digital applications including key establishment schemes, secure messaging apps, and digital signature schemes in cryptocurrencies. Recent developments in the field of quantum ... -
Energetic and exergetic performance assessment of a turboprop engine at various loads
(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 analysis of hydrogen production from a hybrid wind turbine-electrolyzer system
(Springer International Publishing, 2014)In this study, the energy performance of hybrid wind-hydrogen system is investigated. In addition to energy performance, a cost analysis of hydrogen production is also carried out for stand-alone system for different PEM ... -
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 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 ... -
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, 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 ... -
Investigation of a hybrid solar and geothermal driven absorption cooling system for district applications
(Inderscience Enterprises Ltd, 2012)In this paper, a new hybrid geothermal and solar driven absorption cooling system (ACS) is proposed for low-temperature district energy applications. Two approaches are proposed in this study, namely: (a) a new model for ... -
Investigation of biogas and hydrogen production from waste water of milk-processing industry in Turkey
(Elsevier, 2012)This study is conducted to determine the potential for producing both biogas and hydrogen from a milk-processing waste water in Turkey. The results of this study indicate that a maximum of 54.2 million m 3 biogas/yr and ... -
Multi-criteria decision analysis for wind power plant location selection based on fuzzy AHP and geographic information systems
(Springer, 2021)The objective of this study was to find the most suitable places for wind power plants by using geographic information systems (GIS) and the fuzzy analytic hierarchy process (FAHP). To this purpose, a FAHP-GIS based model ... -
A new approach to calculation of energy demand and amount of emission according to different indoor temperature
(Inderscience Enterprises Ltd, 2015)In this study, annual, monthly and hourly ambient temperature distributions are determined and analysed for Karabuk . For each month of the year, variance of outdoor air temperature, monthly and seasonal heating degree ... -
A new approach to determine the outdoor temperature distributions for building energy calculations
(Pergamon-Elsevier Science Ltd, 2014)This study formulated annual, monthly and hourly ambient temperature distributions for simplifying the calculation of cooling and heating degree-hours. in this regard, Turkey was selected as an application country, of which ... -
Optimization of performance and emission characteristics of the CI engine fueled with preheated palm oil in blends with diesel fuel
(MDPI, 2022)In this analytical investigation, preheated palm oil was used in the direct injection diesel engine with various optimization methods. The main purpose of the optimization was to get better results than the conventional ... -
Performance assessment of a novel hybrid district energy system
(Pergamon-Elsevier Science Ltd, 2012)In this paper, a new hybrid system for improving the efficiency of geothermal district heating systems (GDHSs) is proposed. This hybrid system consists of biogas based electricity production and a water-to-water geothermal ... -
A perspective of COVID 19 impact on global economy, energy and environment
(Taylo & Francis Ltd., 2021)COVID-19 or novel coronavirus is not only an international emergency for public health but also has significant consequences on energy, economy, and environment. Although much of the World's attention is understandably ... -
Prospects and challenges of renewable energy-based microgrid system in Bangladesh: a comprehensive review
(Springer, 2022)Global energy demand is continuously increasing where the pollution and harmful greenhouse gases that originated from the burning of fossil fuels are alarming. Various policies, targets, and strategies are being set to the ... -
Systematic inspection on the interplay between MoNa-induced sodium and the formation of MoSe2 intermediate layer in CIGSe/Mo heterostructures
(Springer, 2024)The critical impact of sodium-doped molybdenum (MoNa) in shaping the MoSe2 interfacial layer, influencing the electrical properties of CIGSe/Mo heterostructures, and achieving optimal MoSe2 formation conditions, leading ... -
Thermodynamic analyses and case studies of geothermal based multi-generation systems
(Elsevier, 2012)In this study, energy and exergy analyses of new geothermal energy based multi-generation systems with seven different combinations for practical applications are performed. The systems considered are mainly examined under ... -
Thermodynamic comparison of a steam, hot water and hot air production system consuming Soma and Afsin lignites under stoichiometric conditions
(Inderscience Publishers, 2017)This study presents thermodynamic comparison of a steam, hot water and hot air production system consuming Soma and Afsin lignites under stoichiometric combustion conditions. For this purpose, using the results from ...