Browsing İmalat Mühendisliği Bölümü Makale Koleksiyonu by Issue Date
Now showing items 21-40 of 52
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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 ... -
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 ... -
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 ... -
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, ... -
Nanoakışkan Kullanılan Birleşik Jet Akışlı ve Kanatçıklı Kanallarda Isı Transferi ve Performans Değerlendirme Sayısının İncelenmesi
(2022)Bu çalışmada, birleşik jet akışlı kanallarda bulunan sabit ısı akılı küp ve dairesel oyuklu desenlerden olan ısı transferi su ve %0,02 hacimsel konsantrasyonlu GO (Grafen Oksit)-Su nanoakışkanı kullanılarak sayısal olarak ... -
Farklı Yükseklikli ve Kanatçıklı Birleşik Jet Akışlı Kanallarda Isı Transferi İyileştirilmesinin İncelenmesi
(2022)Yüksek hıza sahip cihazlar elde edebilmek amacıyla yarı iletken levhalar üzerine çok sayıda yerleştirilen mikroçipler beraberinde çözülmesi gerekli önemli bir problem olan ısınma sorununu gündeme getirmektedir. Bununla ... -
Long term endurance analysis of the effects on ring wear and lubrication oil of biofuel used in a DI diesel engine
(2023)In this study, the long-term endurance tests were carried out in an engine that was used 100% diesel and 90% diesel 210% bioethanol blend. The lubricating oil and ring wear were investigated in the direct injection diesel ... -
Effect of piston geometry on combustion characteristics of CI engine used Sal seed oil
(2023)The effect of piston bowl geometry on reducing soot emissions, improving combustion, and in-cylinder flow movements in a direct injection diesel engine was investigated. Standard combustion chamber (SCC) and newly modified ... -
An experimental investigation of new chamber geometry on the combustion characteristics, performance and emissions in a light-duty diesel engine
(ELSEVİER, 2023)Piston bowl geometry directly affects many parameters such as combustion, flow, turbulence, and mixture formation in-cylinder. This causes a change in engine performance, combustion characteristics and exhaust emissions. ... -
Analysis of an innovative combustion chamber with the wall guided fuel injection in a small diesel engine
(2023)This paper has included the effects of different bowl geometries which has the wall guided fuel injection. Bowl geometries, which affect in-cylinder air flows, have a great influence on the change of mixture formation. ... -
Farklı Desenli Bakır Plakaların Birleşik Jet Akışı ile Soğutulmasında Grafen Oksit (GO)-Su Nanoakışkanının Etkisi
(2023)Bu çalışmada, kanallarda bulunan sabit 1000 W/m2 ısı akılı küp ve oyuklu desenlerin su ve %0,02 hacimsel nanoparçacık konsantrasyonlu GO (Grafen Oksit)-Su nanoakışkanı kullanılarak birleşik jet akışı ile soğutulması sayısal ... -
Grafen Oksit (GO)-Su Nanoakışkanlı ve Kanatçıklı Birleşik Jet Akışlı Kanallarda Isı Transferinin Araştırılması
(2023)Bu çalışmada, birleşik jet akışıyla kanatçıksız ve farklı kanatçık mesafeli (N = D ve 2D) ve 60o açılı kanal-larda su ve %0.02 hacimsel konsantrasyonlu GO (Grafen Oksit)-Su nanoakışkanı kullanılmasıyla yamuk ve taç desenli ... -
Numerical investigation of different combustion chamber on flow, combustion characteristics and exhaust emissions
(2023)This study includes numerical analysis of diesel engines with different bowl geometry. Numerical analyzes of the diesel engine with asymmetrical bowl geometry were performed in Ansys Forte software. In the study, four-stroke, ...