Browsing Sivas Cumhuriyet Üniversitesi Teknoloji Fakültesi by Issue Date
Now showing items 21-40 of 46
-
A Numerical Investigation of Heat Transfer from Heated Surfaces of Different Shapes
(2021)—The object of this study was cooling of inverted and plain triangular profile copper surfaces at a constant heat flux of 1000 W/m2. The cooling of these triangular profile surfaces placed at the bottom of a rectangular ... -
Determination of Pneumonia in X-ray Chest Images by Using Convolutional Neural Network
(2021)Pneumonia is one of the major diseases that cause a lot of deaths all over the world. Determining pneumonia from chest X-ray (CXR) images is an extremely difficult and important image processing problem. The discrimination ... -
The effect of outlet location on heat transfer performance in micro pin-fin cooling used for a CPU
(2021)In this study, the simulation of the coolant flow using micro-pin fins in the CPU heat sink was numerically presented with ANSYS-Fluent, a Computational Fluid Dynamics (CFD) program. Four different inlet–outlet configurations ... -
Metallurgical and Mechanical Characteristics of Friction Welded Joint of 27 wt.%CrWCI/AISI 1040 Steel
(www.springer.com, 2021)In this study, metallurgical properties of AISI 1040 steel and high-chromium white cast iron joined using friction welding process was investigated experimentally. Scanning electron microscopy, optical microscopy, ... -
Characterization of mechanically alloyed Fe based and MoNiAl+Al2O3 reinforced composites
(https://www.degruyter.com, 2021)Fe-MoNiAl-Al2O3 powders were mechanically alloyed by a SPEX type attritor. The Fe based composite samples were reinforced with complex mechanically alloyed Fe-MoNiAl-Al2O3 particles in different ratios and Fe matrix ... -
Classification of plutonic rock types using thin section images with deep transfer learning
(2021)Classification of rocks is one of the basic parts of geological research and is a difficult task due to the heterogeneous properties of rocks. This process is time consuming and requires sufficiently knowledgeable and ... -
Classification of brain tumors from MR images using deep transfer learning
(2021)Classification of brain tumors is of great importance in medical applications that benefit from computer-aided diagnosis. Misdiagnosis of brain tumor type will both prevent the patient from responding effectively to the ... -
Friction welding of high Cr white cast iron to AISI 1030 steel with Ni interlayer
(https://www.degruyter.com, 2021)In this study, the effect of friction time on microstructure and weldability of AISI 1030 steel with nickel interlayer and high chromium white cast iron welded by the friction welding method were investigated experimentally. ... -
Effect of rotary friction welding on mechanical properties of 6060 Al alloy
(https://revistademetalurgia.revistas.csic.es, 2021)6xxx series of aluminum alloys are prone to cracking when fusion welded without a proper filler metal. Alternatively, these alloys can be welded by rotary friction welding, a solid-state welding process, without using ... -
Heat affected zone and weld metal analysis of HARDOX 450 and ferritic stainless steel double sided TIG-joints
(https://www.degruyter.com, 2021)In this study, AISI 430 and HARDOX 450 grade steel are joined using a double-sided tungsten inert gas welding process. The microstructural properties of weld metal and HAZ were evaluated by optical microscopy, energy ... -
Analysis of different combustion chamber geometries using hydrogen / diesel fuel in a diesel engine
(Taylor Francis, 2021)In this study, the effects on combustion characteristics and emission were investigated in a direct injection diesel engine. In experimental and numerical studies, the engine was operated at 2000 rpm. The analyzes were ... -
Energy and exergy analysis of a ground source heat pump system with a slinky ground heat exchanger supported by nanofluid
(Springer Nature, 2022)This work contains the experimental analysis results in real environment conditions of the use of Al2O3 -based nanofluid (NF) at different concentration ratios (0.1% and 0.2%) in a ground source heat pump (GSHP) system ... -
Brain tumor classification by using a novel convolutional neural network structure
(2022)Brain tumors located in the skull are among the health problems that cause serious consequences. Rapid and accurate detection of brain tumor types will ensure that the patient receives appropriate treatment in the early ... -
Numerical investigation of CPU cooling with micro-pin–fin heat sink in different shapes
(2022)The fact that today's computers transmit too much information at effective speeds causes high heat concentrations. These heat concentrations increase the temperature of the computer processor and cause it to deteriorate ... -
Experimental Investigation of the Effect of a Semi-Circular Spiral Protrusion on the Turbulent Flow Past a Cylinder
(2022)The effect of semi-circular spirals on a circular cylinder surface to flow structure was experimentally investigated by the particle imaging velocity measurement (PIV) method. Based on the PIV channel, the main body cylinder ... -
Determination of COPD severity from chest CT images using deep transfer learning network
(2022)The purpose of this study is to present a solution to the problem of detecting the severity of Chronic Obstructive Pulmonary Disease (COPD) from chest CT images using deep transfer learning network. The study has a novelty ... -
Numerical Investigation of Corrugated Channel with Backward-Facing Step in Terms of Fluid Flow and Heat Transfer
(2022)In this study, the turbulent fluid flow and heat transfer through a backward-facing step connected by various triangles to a corrugated wall were numerically investigated. The governing equation was solved with Ansys Fluent, ... -
Conical Channel Design in AA7075/AZ91 Materials Joining with Mechanical Locking Method (MLM)
(2022)In industrial applications, materials with different chemical and physical properties are used by joining them. The main purpose is to achieve high performance at the most affordable cost by joining the superior properties ... -
Reducing the Roughness and Sound Intensity by Optimization of Cutting Parameters in Processing of AISI 2714 Steel Material on CNC Milling Machine
(2022)Within the scope of this study, optimization of cutting parameters (feed rate, cutting speed and depth of cut) was aimed in order to reduce the noise level that occurs during the processing of AISI 2714 steel on CNC milling ... -
AISI 1040 ve AA6013 malzeme çiftinin mekanik kilitleme yönteminde (MLM) farklı bağlantı açıları kullanılarak birleştirilmesi
(Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi, 2022)Farklı malzeme türlerinin birleştirilerek kullanılmasının zorunlu olduğu birçok endüstriyel uygulama bulunmaktadır. Ancak kaynak, döküm, yapıştırma gibi diğer birleştirme yöntemleri ile bu her zaman mümkün olmamakta ya da ...
