İmalat Mühendisliği Bölümü Makale Koleksiyonu
Recent Submissions
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EXPLORING THE IMPACT OF GEOMETRIC PARAMETERS ON HEAT TRANSFER AND FLUID FLOW CHARACTERISTICS IN CROSS-TRIANGULAR GROOVED CHANNELS: A COMPUTATIONAL STUDY
(03.06.2024)In this study, the impact of geometric parameters of rectangular baffles with varying location angles and heights is investigated on the heat transfer and fluid flow characteristics of cross-triangular grooved channels. ... -
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, ... -
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 ... -
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 ... -
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 ... -
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 ... -
Research of cooling performance in combined jet flow channels using different nanofluids
(15.01.2023)In this work, heat transfer from the cube and circular hollow-shaped copper plate surfaces with a constant heat flux of 1000 W/m2 was numerically investigated by using a combination of the cross-flow-impinging jet. Numerical ... -
THE EFFECT OF FIN ANGLE ON INCREASING THE HEAT TRANSFER FROM ELECTRONIC COMPONENTS BY APPLYING AN IMPINGING JET-CROSS FLOW
(12.11.2021)With the advancement of technology, circuit elements in developing electronic devices heat up and their temperatures rise depending on the working load. Cross flow, which is one of the methods used to increase heat transfer ... -
Effect of Ni on microstructure and wear behaviour of 13Cr-W-Mo-2C white cast iron
(CONSEJO SUPERIOR INVESTIGACIONES CIENTIFICAS-CSICEditorial CSIC, C/VITRUVIO 8, 28006 MADRID, SPAIN, 30 June 20)The effect of Ni concentration on the microstructure and wear performance of 13Cr-(0.5-7.0) Ni-W-Mo-Mn-2C white cast iron subjected to homogenization heat treatment was examined. Concentration of Ni was altered in the range ... -
Weldability and mechanical behavior of CMT welded AISI 430 and HARDOX 500 steels
(WALTER DE GRUYTER GMBHGENTHINER STRASSE 13, D-10785 BERLIN, GERMANY, 31 August )In this study, AISI 430 and HARDOX 500 steels were joined by cold metal transfer (CMT) welding method. The properties and microstructural changes of the welding and HAZ regions were investigated by OM and SEM analyses. ... -
Structural analysis of Cu-based FeCr reinforced composites prepared by mechanical alloying
(WALTER DE GRUYTER GMBHGENTHINER STRASSE 13, D-10785 BERLIN, GERMANY, 01 July 20)Production and structural investigations of Cu-based FeCr reinforced composite were performed by using mechanical alloying, optical microscope, scanning electron microscope, X-ray diffraction and hardness test. The increment ... -
Austempering Ce-La inoculated solution strengthened ferritic ductile cast irons
(REDAKCIA KOVOVE MATERIALYUL RACIANSKA 75, PO BOX 95, 830 08 BRATISLAVA 38, SLOVAKIA, 01 Februar)The influence of austempering conditions on the microstructure, hardness, tensile strength, and impact toughness of Ce-La inoculated solution-strengthened ferritic ductile irons was analyzed. The austempering was performed ... -
Microstructure and wear analysis of CoWC alloy layers deposited by PTA process
(EDP SCIENCES S A17, AVE DU HOGGAR, PA COURTABOEUF, BP 112, F-91944 LES ULIS CEDEX A, FRANCE, 12 April 2)CoWC composite coatings were produced on AISI 430 steel by the plasma transfer arc cladding. Three different powder mixtures containing WC (90%, 85% and 80%) and Co (10%, 15% and 20%) were used. Phase composition, ... -
Effect of alloying elements on mechanical behaviour of Cu-Zn-Sn bronzes
(WALTER DE GRUYTER GMBHGENTHINER STRASSE 13, D-10785 BERLIN, GERMANY, 8 March 20)The effect of Fe, P and Mn on microstructure and fatigue properties of CuZnSn bronzes investigated with optical microscopy and scanning electron microscopy, energy dispersive spectroscopy, X-ray diffraction, hardness, ... -
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 ... -
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. ... -
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. ... -
Joint performance of medium carbon steelaustenitic stainless steel double-sided TIG welds
(WALTER DE GRUYTER GMBHGENTHINER STRASSE 13, D-10785 BERLIN, GERMANY, 3 February)AISI 1040 and AISI 304 steel plates of 10 mm were joined without pretreatment by double-sided TIG arc welding (DSAW). Joints were manufactured by using welding currents of 420, 440, and 460 A. The microstructural variations ... -
Improvement of metallurgical properties of A356 aluminium alloy by AlCrFeSrTiBSi master alloy
(WALTER DE GRUYTER GMBHGENTHINER STRASSE 13, D-10785 BERLIN, GERMANY, 3 February)A new AlCrFeSrTiBSi master alloy was manufactured by in situ synthesis in Al melt, and compared with AlBSr master alloy. Microstructures of A356 alloy modified with AlCrFeSrTiBSi master alloy were investigated, and the ...