Browsing MF_Yayın Koleksiyonu by Title
Now showing items 41-60 of 111
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Ecologic and sustainable objective thermodynamic evaluation of molten carbonate fuel cell-supercritical CO2 Brayton cycle hybrid system
(Pergamon-Elsevier Science, 2017)In last decade, there has been increasing interest about fuel cell-heat engine or refrigeratorhybrid systems. Molten carbonate fuel cells (MCFC) provides an opportunity to be used in ahybrid system because of high temperature ... -
Effect of Activated Carbon Parameters on the Surface Properties of Wheat Straw Residue
(IBCESS, 2016)Activated carbon has perfectly developed porosity, a large surface area (up to 3500 m2 g-1), and modifiable surface chemistry properties and exhibits a comparatively high degree of surface reactivity. Due to these reasons, ... -
Effect of Atmosphere and Temperature Treatment on Leoanarditefor Increasing Humic Acid Yield
(Springer, 2018)Humic acid is a complex molecule including carboxylic, phenolic, alcoholic, and carbonyl fractions in its structure. Addition of this complex structure in soil improves its fertility by increasing its porosity along ... -
Effect of blended cements with natural zeolite and industrial by-products on rebar corrosion and high temperature resistance of concrete
(Elsevier, 2012)In this study, influence of blended cements produced with different types of pozzolans on rebar corrosion and high temperature resistance of concrete was investigated. For this reason, natural zeolite (Z), fly ash (FA), ... -
Effect of microstructure on corrosion behavior of dual-phase steels
(Institute of Materials and Machine Mechanics, 2017)Dual phase (DP) steels with different volume fractions of martensite and epitaxial ferrite were produced in different intercritical annealing temperatures and cooling rates. Corrosion behaviors of four different DP steels ... -
The effect of sintering regime on superhydrophobicity of silicon nitride modified ceramic surfaces
(Taylor & Francis, 2021)The most common method of obtaining a superhydrophobic surface is to create a specific surface morphology and then coat it with a hydrophobic polymer. Numerous such morphological surfaces have been developed but are often ... -
Effectiveness of Ti-micro alloying in relation to cooling rate on corrosion of AZ91 Mg alloy
(Elsevier, 2016)In this study, micro Ti-alloyed AZ91 Mg alloys (AZ91 þ 0.5wt.%Ti) have been investigated in order to clarify effectiveness of micro alloying and/or cooling rate on their corrosion properties. Molten alloys were solidified ... -
Effects of titanium addition on mechanical and corrosion behaviours of AZ91 magnesium alloy
(Elsevier, 2011)The mechanical properties and corrosion behaviour of AZ91 magnesium alloy containing 0.2–0.5wt.%Ti were investigated in this study. Results demonstrate that the enhancement of the ultimate tensilestrength by 18% and yield ... -
Energy consumption, mechanical and metallographic properties of cryogenically treated tool steels
(De Gruyter, 2023)This article examines energy consumption, microstructure, mechanical properties, and the change in the wear amount during the machining of GGG-42 cast iron material with two types of guide cutting tool produced by ... -
Enrichment and Determination of Ni2+ions in Water Samples with Adiamino-4-(4-nitro-phenylazo)-1H-pyrazole (PDANP) by Using FAAS
(Elsevier, 2010)Nickel, as a heavy metal, is toxic for many living species. Thus, the determination of trace amounts of nickelin environmental samples is of great importance. In the present study, new, sensitive, simple and validatedsolid ... -
Entransy analysis of irreversible Carnot-like heat engine and refrigeration cycles and the relationships among various thermodynamic parameters
(Pergamon-Elsevier Science, 2014)Because of the energy needs of the world and the issues involved with global warming, analyzing andoptimizing power cycles have increased in importance. In this paper, the concepts of entransy dissipation,entropy generation, ... -
Entransy Analysis of Irreversible Heat Pump Using Newton and Dulong-Petit Heat Transfer Laws and Relations with its Performance
(Pergamon-Elsevier Science, 2014)An irreversible heat pump was investigated via entransy analysis and performance criteria. In theanalyses, two different convective heat transfer laws were applied to the considered system: the Newtonand Dulong–Petit heat ... -
Environmental Pollution Cost Analyses of Biodiesel and Diesel Fuels for a Diesel Engine
(Academic Press-Elsevier Science, 2019)In this study, Japanese Industrial Standard diesel no 2 and waste cooking oil biodiesel fuels are compared interms of environmental pollution cost analysis. The experiments of the diesel and biodiesel fueled diesel engineare ... -
Evaluation of the role of the pyrolysis temperature in straw biomass samples and characterization of the oils by GC/MS
(American Chemical Society, 2008)The aim of this study is to investigate the variation of thermal conversion of agricultural wastes in a fixed bed reactor with temperature and elucidating the chemical structure of oil products formed during the process. ... -
Exergetic Sustainability Evaluation and Multi-objective Optimization of Performance of an İrreversible Nanoscale Stirling Refrigeration Cycleoperating with Maxwell–Boltzmann Gas
(Pergamon-Elsevier Science, 2017)Introducing nanotechnology made a revolution in various industries such as upstream, downstream and energyindustries. As a result, developing new types of nanoscale thermal cycles can develop the future of energysystems. ... -
Exergetic sustainability evaluation of irreversible Carnot refrigerator
(Elsevier, 2015)Purpose of this paper is to assess irreversible refrigeration cycle by using exergetic sustainability index. In literature, there is no application of exergetic sustainability index for the refrigerators and, indeed, this ... -
Experimental and numerical study of stainless steel I-sections under concentrated internal one-flange and internal two-flange loading
(Elsevier, 2018)The behaviour and design of stainless steel I-section beams under concentrated transverse loading are investigated in this study. Twenty-four experiments on stainless steel I-sections, formed by the welding of hotrolled ... -
Extended exergy analysis of a solar driven water production plant via reverse osmosis
(Pergamon-Elsevier Science, 2021)Water scarcity and contamination of available water are becoming one of the most complex problems worldwide and they compromise economic development, global sustainability, and human supply, among others. Water is required ... -
Influence of marble wastes on soil improvement and concrete production
(Springer, 2014)Waste marble dusts are obtained by different methods of cutting marble in marble manufacturing companies. However, environmental damage can occur from the uncontrolled spill of these waste materials in natural habitats. ... -
INFLUENCE OF NATURAL LIGHTWEIGHT AGGREGATES ON THE PROPERTIES OF CONCRETE
(Turkish Chemical Society, 2017)As a result of the developing technology, the construction industry has also gone to a great interest to discover new materials. A lot of literature research has been done for the lightweight aggregates used in the ...
