Başlık için Makine Mühendisliği Bölümü Koleksiyonu listeleme
Toplam kayıt 252, listelenen: 169-188
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On the tse of nanofluids in solar energy applications
(Springer, 2020)Renewable energy technologies are in the centre of interest to narrow the gap between fossil fuels and clean energy systems. the dominant role of solar energy systems among the alternatives is beyond question owing to being ... -
Optical properties of GaS crystals: Combined study of temperature-dependent band gap energy and oscillator parameters
(National Institute of Science Communication and Information Resources (NISCAIR), 2017)Optical parameters of gallium sulfide (GaS) layered single crystals have been found through temperature-dependent transmission and room temperature reflection experiments in the wavelength range of 400-1100 nm. Experimental ... -
Optical, vibrational, electrical, and electrochemical studies of new plasticized methylcellulose-based solid polymer electrolytes for supercapacitor application
(Wiley, 2023)In this work, new plasticized solid polymer electrolytes (SPEs) are developed using MC (methylcellulose) as a polymer host, and sodium iodide (NaI) as a dopant via the solution casting method. Ethyl carbonate (EC) is used ... -
Optimised performance of a thermally resistive PV glazing technology: An experimental validation
(Elsevier, 2019)Thermally resistive PV glazing (TRPVG), which is a recently developed technology for low/zero carbon buildings, is in the centre of interest worldwide as a consequence of multifunctional benefits of this novel product such ... -
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 ... -
Optimization of strength, ductility and wear resistance of low-carbon grade A shipbuilding steel by post-ECAP annealing
(EDP Sciences, 2021)Effect of equal channel angular pressing (ECAP) and subsequent annealing on the microstructure, mechanical properties and tribological behavior of grade A shipbuilding steel was investigated. Coarse-grained microstructure ... -
Optimizing soybean biofuel blends for sustainable urban medium-duty commercial vehicles in India: an AI-driven approach
(Springer, 2024)This article presents the outcomes of a research study focused on optimizing the performance of soybean biofuel blends derived from soybean seeds specifically for urban medium-duty commercial vehicles. The study took into ... -
An overview of the existing and future state of the art advancement of hybrid energy systems based on PV-solar and wind
(Oxford University Press, 2024)Increasing solar and wind power use in existing power systems could create significant technical issues, especially for grids with poor connectivity or stand-alone systems needing more adequate storage capacity. This is ... -
An overview of the principles of low-temperature superplasticity in metallic materials processed by severe plastic deformation
(Japan Institute of Metals (JIM), 2023)Low-temperature superplasticity (LTS) is crucial to reduce manufacturing cost and to enhance the applications of superplastic forming. It is well known that grain refinement is the key point to decrease the temperature at ... -
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 ... -
A parametric study on exergetic performance of a YSZ electrolyte supported SOFC stack
(Inderscience Enterprises Ltd, 2017)This paper presents a parametric study on the exergetic performance assessment of an electrolyte supported solid oxide fuel cell (SOFC) stack. Considering the operating and design parameters of yttria stabilised zirconia ... -
A parametric study on exergetic sustainability aspects of high-pressure hydrogen gas compression
(Pergamon-Elsevier Science Ltd, 2016)This paper presents a parametric study on exergetic sustainability aspects of high-pressure-hydrogen gas compression process in terms of exergy. in this regard, a single stage, two-stage, three-stage and four-stage-hydrogen ... -
A parametric study on thermodynamic performance of a SOFC oriented hybrid energy system
(Pergamon-Elsevier Science Ltd, 2019)In this paper, a parametric study of the performance of a SOFC system for several types of supplied fuels is carried out. A SOFC system which is assisted by some energy resources, namely biomass, solar energy and natural ... -
Particle dispersion and deposition in displacement ventilation systems combined with floor heating
(Taylor & Francis Inc, 2020)The aim of this study is to investigate dispersion and deposition characteristics of different particle diameters (0.5-5-10 mu m) for a displacement ventilated and floor heated environment, experimentally and numerically. ... -
Performance analysis of a novel solar desalination system - Part 1: the unit with sensible energy storage and booster reflector without thermal insulation and cooling system
(Elsevier, 2020)Solar desalination systems have a promising potential to meet the clean water demand at global scale in a cost-effective and eco-friendly manner. Therefore, in this research, a novel solar distillation unit with sensible ... -
Performance analysis of a novel solar desalination system - Part 2: The unit with sensible energy storage with thermal insulation and cooling system
(Elsevier, 2021)Solar assisted desalination systems have an unequivocal potential to meet water demand with their eco-friendly, sustainable and low cost features in the face of the decrease in water resources and increasing costs worldwide. ... -
Performance analysis of fresnel lens driven hot water/ steam generator for domestic and industrial use: A CFD research
(Hitit Üniversitesi, 2023)This study presents the design, manufacture, and thermal performance analysis of a Fresnel lens-driven hot water/steam generator. The designed system is suitable for domestic and industrial hot water/steam usage and can ... -
Performance assessment of a vertical ground-source heat pump system with wall heating and cooling
(2012)Extensive studies on ground-source heat pump systems' performance have been published in the literature. Coefficient of performance (COP) on heating and cooling modes significantly influences thermal energy economics for ... -
Performance assessment of solar chimney power plants with natural thermal energy storage materials on ground: CFD analysis with experimental validation
(Oxford University Press, 2022)This study interprets the effect of using sand or gravel as energy storage unit in solar chimney power plants. The effect of using low-cost materials is evaluated. Based on the Manzanares pilot plant, a 3D CFD model is ... -
Performance assessment of solar chimney power plants with the impacts of divergent and convergent chimney geometry
(Oxford University Press, 2021)Influence of area ratio (AR) on main performance parameters of solar chimney power plants (SCPPs) is investigated through a justified 3D axisymmetric CFD model. Geometric characteristics of Manzanares pilot plant (MPP) are ...