Başlık için Teknoloji Fakültesi listeleme
Toplam kayıt 288, listelenen: 110-129
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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 ... -
Estimation equations for moment resistances of L-type screw corner joints in case goods furniture
(Forest Products Soc, 2008)The effects of the number of screws and screw sizes on bending moment resistance of L-type furniture corner joints constructed of particleboard (PB) and medium density fiberboard (MDF) with resin Surfacing were investigated ... -
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 of mounting force of auxetic dowels for furniture joints
(Elsevier Ltd, 2021)Limited number of papers describe the practical use of auxetics in the wood and furniture sector. Only one paper describes the auxetic nails. None of them analyzed the impact of using auxetics on the strength of furniture ... -
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 ... -
Experimental Evaluation of a Photovoltaic/Thermal Air Heater with Metal Mesh-Integrated Thermal Energy Storage System
(MDPI, 2023)he objective of this study is to improve the performance of a hybrid photovoltaic/thermal (PV/T) air heater incorporating a thermal energy storage system (TESS) that uses paraffin and has metallic mesh layers. In the ... -
Experimental Investigation of a Concentrating Bifacial Photovoltaic/Thermal Heat Pump System with a Triangular Trough
(MDPI, 2023)The heat absorbed by the heat transfer fluid for cooling a concentrated photovoltaic thermal (CPVT) solar collector can be used for purposes such as residential heating and cooking. Because of the combined production of ... -
Experimental investigation of a double-flow photovoltaic/thermal air collector with natural dolomite powder-embedded thermal energy storage unit
(Springer, 2023)Photovoltaic/thermal (PV/T) systems have ability the produce both electrical and thermal energy in a same surface area. Additionally, utilizing PV/T systems help to reduce the solar panel temperature and therefore, improving ... -
Experimental performance assessment of a new flat-plate solar air collector having textile fabric as absorber using energy and exergy analyses
(Pergamon-Elsevier Science Ltd, 2019)This article is about experimental energy, exergy and economic analyses of a new solar air collector (SAC). It is then compared with the thermodynamic performance of the flat-plate solar air collector (FP-SAC). For this ... -
Experimental thermodynamic evaluation of a real cooling system with seawater-source and heat pump for a hotel in Turkey
(Wiley, 2020)It is noteworthy that energy consumption is very high in hotels in order to provide the comfort requirements of human beings. Especially in summer season, cooling is an important condition for comfort in a hotel. In hotel ... -
Exploratory study of small timber trusses constructed with through-bolt and cross-pipe heel connectors
(Forest Products Soc, 2007)Throughout the world, there is a need for simple, strong, yet inexpensive connectors that can be used to fabricate trusses from natural small-diameter tree stems as well as squared stems without extensive premachining of ... -
External cost of pollutant emissions in Turkey
(Institute of Physics, 2023)External costs that occur in the use of energy resources are one of the most important criteria in determining energy and environmental policies. For this purpose, it is important to know the external costs of any energy ...
