Başlık için Makine Mühendisliği Bölümü Koleksiyonu listeleme
Toplam kayıt 56, listelenen: 11-30
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Effect of Quench-Ageing on Microstructural Evolution and Damping Behaviour of Zn-27Al-1Cu Alloy
(ISLAC’18 “1st International Symposium on Light Alloys and Composite Materials", 2018-03-22)A ternary Zn-27Al-1Cu alloy was prepared by permanent mould casting. The microstructural evolution and damping behaviour of the Zn-27Al-1Cu alloy were investigated in different periods of ageing after subjected to solution ... -
The Effect of Surface Roughness on Fatigue Life in AZ31 Magnesium Alloy
(Springer, 2023)Magnesium alloys have excellent properties such as high specific strength, rigidity, good damping, electromagnetic shielding, castability, and machinability. However, corrosion, creep, and fatigue resistance are generally ... -
Effect of thickness and melting temperature of phase change material integrated into exterior wall on building energy performance and CO2 emission reduction
(Gazi Universitesi, 2024)In the study, the effect of phase change materials integrated into the building's external wall has been investigated in terms of material type, thickness, and melting temperature of phase change material on the building ... -
Effect of Working Conditions on the Lubricated Wear Behavior of Zn-40Al-2Cu-2Si Alloy in the As- Cast and T6 Heat-Treated States
(American Society of Mechanical Engineers (ASME), 2022)In order to determine the effect of working conditions on the lubricated wear behavior of Zn-40Al-2Cu-2Si alloy in the as-cast and T6 heat-treated states, its tribological properties were studied at different oil flowrates, ... -
Effect of Working Conditions on the Lubricated Wear Behavior of Zn-40Al-2Cu-2Si Alloy in the As-Cast and T6 Heat-Treated States
(ASME, 2022)In order to determine the effect of working conditions on the lubricated wear behavior of Zn-40Al-2Cu-2Si alloy in the as-cast and T6 heat-treated states, its tribological properties were studied at different oil flowrates, ... -
Effects of charge properties on exergy balance in spark ignition engines
(Elsevier Sci Ltd, 2013)This study investigates the effects of the air-fuel mixture (charge) properties on the exergy balance in spark ignition engines. A thermodynamic cycle model including compression, combustion and expansion processes is used. ... -
Effects of discretization schemes on numerical results of natural convection heat transfer
(Amer Inst Physics, 2014)Two dimensional natural convection heat transfer in a square enclosure is numerically analyzed. Laminar natural-convection heat transfer is studied by solving the Navier-Stokes and energy equations using finite volume ... -
Effects of Methanol Addition to Gasoline on the Performance and Fuel Cost of a Spark Ignition Engine
(Energy & Fuels (ACS Publishers), 2008)This study is concerned with investigating experimentally the effects of methanol blending to base gasoline on the performance and fuel cost of a spark ignition (SI) engine. The fuel blends were prepared by blending 5, 10, ... -
Effects of Methyl tert-Butyl Ether Addition to Base Gasoline on the Performance and CO Emissions of a SI Engine
(Energy & Fuels (ACS Publications), 2008)This study aims at investigating experimentally the effects of methyl tert-butyl ether (MTBE)-gasoline blends on the performance and CO emissions of a spark ignition engine. The blends are prepared by blending 5, 10, 15, ... -
Effects of the Stroke Bore Ratio on the Performance Parameters of a Dual-Spark-Ignition (DSI) Engine
(Energy & Fuels (ACS Publishers), 2009)In this study, the effects of the stroke/bore (S/B) ratio on the performance parameters of an engine having dual-spark ignition (DSI) were investigated theoretically by using a quasi-dimensional thermodynamic cycle model. ... -
Energy and economic assessments of waste heat recovery by designs of economizer, condensing economizer and air preheater
(Gazi Universitesi, 2023)In this study, the waste heat loss of flue gases from the boilers of Kafkas University district heating system has been calculated between 6-8% according to the combustion analysis and the annual cost of this heat loss has ... -
ENERGY, EXERGY ANALYSIS AND OPTIMIZATION OF INSULATION THICKNESS ON BUILDINGS IN A LOW-TEMPERATURE DISTRICT HEATING SYSTEM
(YILDIZ TECHNICAL UNIV, 2023)In the study, energy and exergy analysis of the buildings on a campus in Turkey are conducted by using actual operating data and taking measurements in the district heating system as a case study. The energy and exergy ... -
Enhanced wear resistance and surface properties of oxide film coating on biocompatible Ti45Nb alloy by anodization method
(Elsevier B.V., 2023)β-Titanium alloys have become increasingly popular as biomaterials because of their low modulus of elasticity and superior corrosion properties in recent years. β-titanium alloy containing niobium is also a biocompatible ... -
Exergetic Analysis of Using Gaseous Fuels in Spark Ignition Engines
(Journal of Thermophysics and Heat Transfer (The American Institute of Aeronautics and Astronautics), 2014)This paper aims to investigate the use of alternative gaseous fuels in spark ignition engines via an exergy analysis.A quasi-dimensional two-zone thermodynamic cycle model is used for this purpose. The intake and exhaust ... -
Exergetic Analysis of Using Oxygenated Fuels in Spark-Ignition (SI) Engines
(Energy & Fuels (ACS Publications), 2009)In this study, the use of the oxygenated fuels in spark-ignition (SI) engines has been investigated by means of exergy analysis. For this purpose, a two-zone quasi-dimensional thermodynamic cycle model was used. The cycle ... -
Exergetic Evaluation of Speed and Load Effects in Spark Ignition Engines
(Edp Sciences S A, 2012)Exergetic Evaluation of Speed and Load Effects in Spark Ignition Engines This study investigates the effects of various operating conditions in spark ignition engines via an exergy analysis. A thermodynamic cycle model ... -
Exergy Analysis of SI Engines
(International Journal of Exergy (Inderscience Publishers), 2008)In this study, exergy (availability) analysis of a Spark Ignition (SI) engine has been performed theoretically during compression, combustion and expansion processes of the engine cycle. For this purpose, a thermodynamic-based ... -
GÜN İÇERİSİNDEKİ GÜNEŞ IŞINIMININ KAPALI ORTAMLARDAKİ DOĞAL TAŞINIMLA ISI TRANSFERİ ÜZERİNE ETKİLERİNİN SAYISAL İNCELENMESİ
(Türk Tesisat Mühendisleri Derneği, 2008-05-12)İki boyutlu kapalı ortamlarda yaz ve kış sınır koşullarında, güneş ışınımından kaynaklanan doğal taşınımla ısı transferi sayısal olarak incelenmiştir. Işınım alan yüzey için zamana bağlı periyodik olarak değişen bir sıcaklık ... -
Gyroscopic suspension for a heavy vehicle
(Inderscience Publishers, 2023)In this study, an angular momentum generated by a flywheel gyroscope is performed as a suspension to prevent vehicle vibration. The frequency equations are derived and the optimal flywheel speed is obtained for vibration ... -
High-cycle fatigue and tensile strength of AZ91 Mg alloy with MAO-epoxy duplex coating
(Institute of Materials and Machine Mechanics, 2023)In this study, an epoxy layer was formed by the immersion process, on the oxide layer grown by the micro-arc oxidation (MAO) treatment of the AZ91 magnesium alloy, using the thin film sealing technology, and its effect on ...