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Toplam kayıt 186, listelenen: 41-60
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Properties and Corrosion Resistance of AISI H13 Hot-Work Tool Steel with Borided B4C Powders
(Korean Institute of Metals and Materials, 2019)Abstract: In this study, the surface of AISI H13 steel was borided with powder blends of B4C and NaBF4 using the powder-pack method at 800, 900 and 1000 °C for 2, 4 and 6 h. The structural and mechanical characteristics ... -
Wear Behavior of Borided AISI D2 Steel under Linear Reciprocating Sliding Conditions
(Pleiades Publishing, 2019)AISI D2 steel is the most commonly used cold-work tool steel in its grade. In this study, microstructural characterization and some mechanical properties of borided AISI D2 steel samples were investigated. The boriding ... -
Exergy analysis of a natural gas fuelled gas turbine based cogeneration cycle
(Inderscience Enterprises Ltd, 2019)In this paper, the monthly-based annual performance of a natural gas fuelled gas turbine-based cogeneration cycle was analysed. The performance analysis of the system was investigated in three steps. First, the real system ... -
Designing and exergetic analysis of a solar power tower system for Iskenderun region
(Inderscience Publishers, 2019)In this paper, a steam cycle assisted solar tower power system is designed and parametrically optimised for Iskenderun region by considering the weather conditions. After the optimisation, exergy-based analysis of the ... -
Thermodynamic analysis of solid waste and energy consumption to reduce the effects of an electric arc furnace on the environment
(Inderscience Enterprises Ltd., 2019)In this study, thermodynamic analysis of an EAF was made to reduce solid wastes and energy consumptions. Then, the slag formation, quicklime consumption and daily energy consumption of the EAF were optimised for different ... -
Exergetic Simulation and Performance Analysis of the Effect of Flow Patterns in PEMFCs
(Int Center Applied Thermodynamics, 2019)In this study, 6 different novel flow channels of the "proton exchange membrane" (PEM) type fuel cells were designed and modeled, while evaluations were conducted on three-dimensional channels of various designs using ... -
Parametric Optimisation of an ORC in a Wood Chipboard Production Facility to Recover Waste Heat Produced from the Drying and Steam Production Process
(Mdpi, 2019)The wastes in wood industries (waste chips) are commonly used as fuel for burners to produce steam and to use the remaining heat in the drying process. However, in spite of that, there is a considerable amount of heat ... -
Overview of the next quarter century vision of hydrogen fuel cell electric vehicles
(Elsevier, 2019)Last three decades, costumers and manufacturers of automotive sector have been influenced positively by Hydrogen and fuel cells (FCs). The main goal of automakers can be pointed as minimizing the fuel consumption and exhaust ... -
Activated carbon adsorption behaviour of toluene at various temperatures and relative humidity
(Technical University of Wroclaw, 2019)Filtration plays a major role in managing the rapid increase of environmental pollution and deterioration of atmospheric air quality. One of the most damaging noxious gases in the atmosphere is toluene, which is a common ... -
Determination of Barreling of Aluminum Solid Cylinders During Cold Upsetting Using Genetic Algorithm
(UNIV FED RIO DE JANEIRO, LAB HIDROGENIO, 2019)This study presents Genetic Programming models for the formulation of barreling of aluminum solid cylinders during cold upsetting based on experimental results. The maximum and minimum radii of the barreled cylinders having ... -
Exergy analysis and performance improvement of a subcritical/supercritical organic Rankine cycle (ORC) for exhaust gas waste heat recovery in a biogas fuelled combined heat and power (CHP) engine through the use of regeneration
(MDPI, 2019)In the present study, a subcritical and supercritical regenerative organic Rankine cycle (rORC) was designed. The designed rORCs assist a combined heat and power (CHP) engine, the fuel of which is biogas produced from ... -
HHO enrichment of bio-diesohol fuel blends in a single cylinder diesel engine
(Elsevier Ltd, 2019)One of the primary aims of this experimental investigation is to examine hydroxy-gas enrichment effects on environmentally friendly but performance-reducing alternative fuels such as ethanol and biodiesel. Hydroxy gas is ... -
Katı Yakıtlı Roket ALP-01 Tasarımı, Modellemesi ve Simülasyonu
(Avrupa Bilim ve Teknoloji Dergisi, 2019)Bu çalışmada katı yakıtlı alçak irtifa roketi ALP-01’in CAD tasarımı yapılmıştır. 1500 metre irtifa için roket boyutları; seçilen motor için optimize edilmiştir. Burun konisi geometrisi olarak Parabolik tip tercih edilmiş ... -
Bir Ameliyathanenin İklimlendirilmesi Süresince Hava Akımının Modellenmesi
(Avrupa Bilim ve Teknoloji Dergisi, 2019)Günümüz ameliyathanelerinin iklimlendirilmesinde kullanılan klima sistemleriyle; sıcaklık ve nem kontrolünün yapılmasının istenmesinin yanı sıra havada taşınabilen mikroorganizma ve toz miktarının, atık anestezi gazı ve ... -
Bir Ameliyathanenin İklimlendirilmesinde Üfleme Hızının Sayısal Analizi ve Modellenmesi
(Avrupa Bilim ve Teknoloji Dergisi, 2019)Ameliyathane ortamlarına giren ve çıkan personel gibi kaçınılamaz mikroorganizma kaynaklarından gelen zararlıların dezenfektanlar ile verdiği zararların minimize edilmesi mümkün iken mikroorganizmaları zararlı seviyenin ... -
Hayvan Gübresinden Biyogaz Üretim Potansiyelinin Belirlenmesi: Adana İli Örnek Hesaplama
(Çukurova Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi, 2019)Bu çalışmada, Adana İli için biyogaz üretimi ve üretilen bu biyogazın kullanımı ile elde edilebilecek güç miktarının tespiti yapılmıştır. Çalışma kapsamında öncelikle Adana ilinde bulunan tüm hayvan sayıları (kanatlı, büyük ... -
Determination of heat transfer coefficient and electromagnetic directional analysis of pomegranate seed
(International Advanced Researches and Engineering Journal, 2019)As Turkey uses about 25.7% of energy consumption in residential area and doing this with natural gas imported from the abroad, production of efficient insolation materials is important to decrease energy dependence and ... -
A review study on ladle slag detection technologies in continuous casting process
(International Advanced Researches and Engineering Journal, 2019)In steel production, continuous casting method using BOF or EAF is increasing day by day. However, the complex nature of the continuous casting process poses many challenges for steelmakers. During the general steel ... -
Experimental investigation of thermal coefficient of the graphene used concrete
(International Advanced Researches and Engineering Journal, 2019)Today, fossil fuels are used primarily in energy production throughout the world. However, the ever-diminishing energy production and developing technology has encouraged energy recovery, saving or different topics. Grafen ... -
A Modeling Study on Surface Roughness of Spinneret Mold Sections Machined By WEDM
(Sakarya University Journal of Science, 2019)The Wire Electrical Discharge Machining (Wire EDM) is widely used in the cutting of Bulk Continuous Filament (BCF) spinneret molds. Because of the low surface roughness of the spinneret molds obtained by the Wire EDM method, ...