Başlık için Enerji Sistemleri Mühendisliği Bölümü Koleksiyonu listeleme
Toplam kayıt 104, listelenen: 26-45
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An economic comparison and evaluation of two geothermal district heating systems for advanced exergoeconomic analysis
(Pergamon-Elsevier Science Ltd, 2014)This paper refers to an economic comparison and evaluation of two geothermal district heating systems (GDHSs) under same reference state condition and mechanic/economic parameters by using an advanced exergoeconomic analysis. ... -
Educational and consciousness-raising movements for renewable energy in Turkey
(Sila Science, 2009)Turkey has some difficulties in meeting its energy need due to rapid industrialization and population growth. It is necessary to educate and raise the consciousness level of the future generations to use the renewable ... -
The effect of temperature distribution on parabolic triangular-based CPVT system performances: Electrical and thermal perspectives
(Elsevier Ltd, 2023)The performance of photovoltaic (PV) and photovoltaic-thermal (PVT) systems is affected by environmental parameters and working conditions such as, partial shading, refrigerant and operating temperature. This study focuses ... -
Effects of air gap on insulation thickness and life cycle costs for different pipe diameters in pipeline
(Pergamon-Elsevier Science Ltd, 2017)This article reports the effects of air gap on insulation thickness and life cycle costs for different diameter steel pipes. The life cycle cost analysis based on heat degree days is used as a calculation method. Under ... -
Effects of pulsed vacuum osmotic dehydration (PVOD) on drying kinetics of figs (Ficus carica L)
(Elsevier Sci Ltd, 2016)Drying kinetics of non-pretreated (fresh) and pretreated Sardop (Ficus carica L.) variety figs were compared. In experiments, figs were performed as a whole (unsliced and unpeeled). Pretreatment was pulsed vacuum osmotic ... -
ELASTIC-PLASTIC THERMAL AND RESIDUAL STRESS ANALYSIS OF ADHESIVELY BONDED SINGLE LAP JOINT
(Adcotec Ltd, 2016)In this work, an elastic-plastic thermal and residual stress analysis were performed for adhesively bonded single lap joint. For this purpose, thermoplastic composite adherents were bonded to each other with epoxy adhesive. ... -
Electrochemical hydrogen generation
(Academic Press Ltd-Elsevier Science Ltd, 2019)Hydrogen is an important energy carrier resource that is discussed as an alternative to fossil-fuel sources in response to limiting greenhouse gas emissions, health problems, and increased energy demand. Hydrogen is obtained ... -
Energy and exergy analyses of a coal-fired micro-CHP system coupled engine as a domestic solution
(Elsevier Ltd, 2023)In this study, a coal-fired stoker boiler and a beta-type rhombic-drive Stirling engine were manufactured and tested. The performance of the coal boiler with a Stirling engine has been investigated experimentally for the ... -
Energy and exergy analysis of the temperature and relative humidity controlled infrared convective walnut drying
(John Wiley and Sons Inc, 2022)In this study, energy and exergy analyses of the closed-cycle infrared (IR) convective walnut drying were performed. The effects of the combined heat transfer, product–source distance, and temperature–relative humidity ... -
Energy-exergy and enviro-economic survey of solar air heaters with various air channel modifications
(Pergamon-Elsevier Science Ltd, 2020)Solar air heaters (SAHs) are generally used in different applications because of their simple structure, low setup cost, and also their higher energy conversion efficiency. In this study, a v-groove type SAH (VTPSAH) has ... -
Enhancing the performance of an unglazed solar air collector using mesh tubes and Fe3O4 nano-enhanced absorber coating
(Elsevier Ltd, 2023)In the current article, it is intended to improve the performance of an unglazed solar air collector using mesh tubes as extended heat transfer surfaces and nano-enhanced black paint as a thermal conductivity booster of ... -
Enhancing the thermal performance of diffusion absorption refrigeration system by using magnesium aluminate spinel oxide compound nanoparticles: an experimental investigation
(Springer Science and Business Media Deutschland GmbH, 2021)This article aims to enhance the efficiency of Diffusion Absorption Refrigeration (DAR) systems which operate at low efficiency. This study experimentally investigates the effect of passive heat transfer enhancement by ... -
Environmental impact assessment of a real geothermal driven power plant with two-stage ORC using enhanced exergo-environmental analysis
(PERGAMON-ELSEVIER SCIENCE LTD, 2022)Geothermal driven power plants (GPPs) with two-stage ORC are mostly used in low-temperature geothermal fields around the World. The environmental impacts of these GPPs create a gap in the literature. In this study, enhanced ... -
Evaluation of wind loads and the potential of Turkey's south west region by using log-normal and gamma distributions
(Techno-Press, 2020)In this study, wind data such as speeds, loads and potential of Mugla which is located in the southwest of Turkey were statistically analyzed. The wind data which consists of hourly wind speed between 2010 and 2013 years, ... -
Event-Driven Molecular Dynamics Simulation of Hard-Sphere Gas Flows in Microchannels
(Hindawi Ltd, 2015)Classical solution of Navier-Stokes equations with nonslip boundary condition leads to inaccurate predictions of flow characteristics of rarefied gases confined in micro/nanochannels. Therefore, molecular interaction based ... -
Exergoenvironmental analysis for a geothermal district heating system: An application
(Pergamon-Elsevier Science Ltd, 2016)Energy sources are of great importance in relation to pollution of the world. The use of renewable energy resources and the creation of more efficient energy systems make great contributions to the prevention of greenhouse ... -
Exergy and thermoeconomic analyses of the diffusion absorption refrigeration system with various nanoparticles and their different ratios as work fluid
(PERGAMON-ELSEVIER SCIENCE LTD, 2022)The fact that diffusion absorption refrigeration (DAR) systems can also work with low power plants has increased the interest in these cooling systems again. The DAR systems are mostly analyzed using energy analysis. ... -
Experimental and analytical investigation of the ITU TRIGA Mark-II reactor core
(Carl Hanser Verlag, 2003)Experimental and analytical studies have been performed to determine the temperature distribution as a function of reactor power in the TRIGA Mark-II reactor at the Istanbul Technical University (ITU). The lumped parameter ... -
Experimental and numerical analysis on using CuO-Al2O3/water hybrid nanofluid in a U-type tubular heat exchanger
(Emerald Group Publishing Ltd, 2020)Purpose Heat exchangers (HEXs) are extensively used in many applications such as heating and cooling systems. To increase the thermal performance of HEXs, nano-sized particles could be added to the base working fluid which ... -
Experimental and numerical investigation of diffusion absorption refrigeration system working with ZnOAl2O3 and TiO2 nanoparticles added ammonia/water nanofluid
(Taylor & Francis Inc, 2020)In this paper, the effect of various zinc oxide aluminate spinel (ZnOAl2O3) and titanium oxide (TiO2) nanoparticle concentrations on the thermal performance of the Diffusion Absorption Refrigeration (DAR) system is ...