Browsing by Department "Enstitüler, Lisansüstü Eğitim Enstitüsü, Makine Mühendisliği Ana Bilim Dalı"
Now showing items 1-20 of 30
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5-function stop lamp thermal analysis
(Altınbaş Üniversitesi / Lisansüstü Eğitim Enstitüsü, 2022)Otomotiv aydınlatma sistemlerinde ve birçok alanda kullanılan ışık yayan diyotlar yüksek ısı kaynaklarıdır. Işık yayan diyotlarda oluşan ısı, ışık yayan diyotlara ve sisteme zarar vermeden ortamdan uzaklaştırılmalıdır. Tez ... -
Aerodynamic principles of helicopter design
(Altınbaş Üniversitesi / Lisansüstü Eğitim Enstitüsü, 2021)This thesis aims to accelerate aerodynamic design by enhancing the rotating helicopter cutting blades. The primary technique of moving segment analysis was the momentum theory developed in the latter half of the nineteenth ... -
An analysis of mechanical engineering publications published in Iran (2010-2021)
(Altınbaş Üniversitesi / Lisansüstü Eğitim Enstitüsü, 2022)Statistics is a significant tool for dealing with large amounts of data nowadays, because it enables scientists to summarize data into a format that many results could be drawn from it. In this article, evaluation of ... -
Annealing effect on green synthesized cerium oxide nanoparticles
(Altınbaş Üniversitesi / Lisansüstü Eğitim Enstitüsü, 2021)Annealing is a process that often results in aggregation of the crystallite particles and therefore an increase in crystallite size is often observed. In this study, the behavior of biopolymer-assisted synthesized cerium ... -
Designing new model of flat plate solar water heatingsystems for greenhouses in Erbil, Iraq
(Altınbaş Üniversitesi, 2021)Thermal analysis was used to examine the feasibility of utilizing a solar water heating systems for greenhouse heating in this investigation. Land heat storage is a major factor in this scheme. Some types of resources, ... -
Effect of polyurea coating on the mechanical properties of aluminum foam and additive manufactured specimens
(Altınbaş Üniversitesi, 2021)Samples were coated with 3 different types of polyurea with various properties. Tensile and bending tests were applied to monitor the change in the mechanical properties (Ultimate Tensile Strength, Strain at UTS, Ductility, ... -
Effect on photovoltaic performance of solar panels
(Altınbaş Üniversitesi / Lisansüstü Eğitim Enstitüsü, 2020)Photovoltaic (PV) cells energy production limitation leads to make it important to operate those panels in the best operating conditions. In addition, less sunlight and higher cell temperatures are variables that adversely ... -
Effects of SIO2 and Al2o3 nanoparticles on the filtration, rheological and physicochemical properties of drilling fluid
(Altınbaş Üniversitesi / Lisansüstü Eğitim Enstitüsü, 2020)There are many studies which reported the nanoparticles could develop the rheological behavior and the properties of filtration for water-based mud. Different types of nanoparticles were used in the experiment including ... -
Enhancement of air cooling in tube fitted with multi-spring wire and study friction factor and exergy efficiency numerically
(Altınbaş Üniversitesi / Lisansüstü Eğitim Enstitüsü, 2020)Increasing turbulence and mixing between boundaries in tubes leads to heat transfer enhancement. That can be useful for air cooling in air systems for developing energy efficiency, reduce size and costs. In this thesis, ... -
Experimental and numerical study of heat transfer in double-pipe helical heat exchanger using nano-liquid
(Altınbaş Üniversitesi / Lisansüstü Eğitim Enstitüsü, 2021)In this study, convection heat transfer coefficient and friction factor in double-pipe helical heat exchanger are investigated using nano-liquid of silicon dioxide and water as a base liquid experimentally and numerically. ... -
Fatigue analysis and modeling of a high-pressure cylinder used in water jet cutting machine
(Altınbaş Üniversitesi / Lisansüstü Eğitim Enstitüsü, 2022)Autofrettage is a procedure used to improve the life of high-pressure equipment. This thesis aim is to model and analyze the Von-mises stresses of a pipe used in the water jet cutting machine, and study the fatigue of ... -
Friction losses between piston rings and cylinder liners
(Altınbaş Üniversitesi / Lisansüstü Eğitim Enstitüsü, 2022)Historically, the engine crankcase has been made of gray cast iron due to that material's' high machinability, damping ability, thermal conductivity, and sensible cost. Despite these advantages and the long-term use of ... -
Heat assisted machining of superalloys
(Altınbaş Üniversitesi / Lisansüstü Eğitim Enstitüsü, 2021)Superalloys are vastly used in the aerospace industry due to their alluring properties such as maintaining their strength at high-temperature applications. Nevertheless, manufacturing these raw materials to the desired ... -
Investigation of heat transfer enhancement in a tube with twisted tape by using concentrating solar power
(Altınbaş Üniversitesi / Lisansüstü Eğitim Enstitüsü, 2021)Concentrated solar power is one of the renewable energy sources in the world that can be utilized from solar energy by combining and concentrating it. In this numerical study, computer software was used to investigate ... -
Investigation of mechanical properties of unsaturated polyester – glass fiber composites used for boat structure
(Altınbaş Üniversitesi / Lisansüstü Eğitim Enstitüsü, 2021)Mechanical properties are important to choose the suitable material in the manufacturing of boats. In this research, the effect of glass fiber orientations and the fillers weight fraction on the Mechanical properties of ... -
Investigation of the effective factors on solar powered fixed-wing UAV for extended flight endurance
(Institute of Electrical and Electronics Engineers Inc., 2022)In recent years, big interest of wing geometry emerged because it affects all other aircraft components. Geometry affects aircraft forces due to airflow characteristics. Solar cells enhance the plane's flying time. This ... -
The investigation of the environmental effects on composite materials
(Altınbaş Üniversitesi, 2021)In this research, an investigation of the environmental effects on composite materials has been conducted. The composite material with a polymeric basis was prepared by hand casting and is consisted of epoxy as a base ... -
Localization and identification of UAVs system using image processing
(Institute of Electrical and Electronics Engineers Inc., 2022)Unmanned aerial vehicles (UAVs) are widely used nowadays for photography, surveillance, mapping and research purposes. These aircrafts control relies on monitoring their location by constantly combining accelerometers ... -
Modifying a generator and designing a solar collector
(Altınbaş Üniversitesi, 2021)This study provides an illustrative description of a method for optimizing a solar collector through a parabolic trough based on the elasticity of the material. And converting the work of a four-stroke electric generator ... -
Numerical analysis of the influence of material and geometric parameters on the thermal efficiency of heat sink
(Altınbaş Üniversitesi / Lisansüstü Eğitim Enstitüsü, 2021)The challenge for designers is to try to make electronic boards smaller. From this point of view, in this study, the size of a heat sink installed on a central processing unit for a computer that generates 100 W was ...
