Konu "Exergy" için listeleme
Toplam kayıt 25, 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. ... -
Component-based exergetic measures of an experimental turboprop/turboshaft engine for propeller aircrafts and helicopters
(Inderscience Enterprises Ltd, 2012)In this paper, component-based exergetic assessment is presented for an experimental turboprop/turboshaft engine, including comparisons and exergetic performance such as their efficiencies, improvement potentials, exergy ... -
A comprehensive review on hydrogen production from coal gasification: Challenges and Opportunities
(Elsevier, 2021)This paper comparatively discusses hydrogen production options through coal gasification, including plasma methods, and evaluate them for practical applications. In this regard, it focuses on numerous aspects of hydrogen ... -
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 ... -
Environmental and sustainability aspects of a recirculating aquaculture system
(Wiley, 2012)This article presents some new exergy-based parameters for Recirculating Aquaculture System (RAS) for Black Sea trout (Salmo trutta labrax) at the Trabzon Central Fisheries Research Institute, Turkey. On the basis of the ... -
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 ... -
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 ... -
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 ... -
Parametric study of exergetic sustainability performances of a high altitude long endurance unmanned air vehicle using hydrogen fuel
(Pergamon-Elsevier Science Ltd, 2016)Exergetic sustainability performances such as, exergy efficiency, waste exergy ratio, environmental effect factor and exergetic sustainability index of a HALE UAV were investigated parametrically. the UAV and its high ... -
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 review on converting plastic wastes into clean hydrogen via gasification for better sustainability
(Wiley, 2021)This review paper focuses on converting plastic wastes into clean hydrogen via gasification for better sustainability. In this regard, various aspects of hydrogen production from plastic wastes are discussed and comparatively ...