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Elektronik kartlarda meydana gelen yüksek ısı üretimi, kart üzerindeki bileşenlerin çalışma performansını ve kullanım ömrünü etkileyen önemli bir parametredir. Bu nedenle cihazların mekanik tasarımları yapılırken soğutmayı sağlamaya yönelik çalışmalar yapılmal…

Anatolia is the motherland of chestnut as it is in many kinds of fruit, and one of the most ancient cultures. Anatolian chestnut, both fruit, as well as the valuable wood, is an important broadleaved species of Turkey. Anatolian chestnut spread in different ge…

In this paper, the steps in the production process of forming hybrid composite coatings on surface of the ZA-27 alloy known as a sliding bearing material, and analysis of surface morphology of the coated samples were investigated. The process includes forming …

Dünyadaki nüfus artışı, sanayileşme ve teknolojinin hızlı gelişmesine bağlı olarak enerjinin tüketimi de aynı ölçüde artmıştır. Mevcut fosil yakıt rezervlerinin bu tüketim sonucunda bir gün bitecek olması gerçeği ortadayken ülkelerin yeni nesil yenilenebilir e…

In this study, multi-walled carbon nanotubes (MWCNT) in different weight ratios effect on the mechanical properties of modified epoxy based adhesive under an axial load was investigated. 0.25, 0.50, 0.75 and 1 % by weight ratio the MWCNT added epoxy adhesive…

Dünya toplam bor rezervi sıralamasında Türkiye % 72’lik pay ile ilk sıradadır. Bor elementinin; ilaç ve kozmetik sanayi, inşaat ve çimento yapımı, cam sanayi, kimya sanayi, ahşap malzemelerinde koruyucu, makine sanayi, nükleer sanayi, tarım sektörü ve otomobil…

Bu çalışmada, yarı-katı işlem yöntemi ile Al-SiC kompozit malzemelerin sabit yük altında aşınma davranışları incelenmiştir. A356 matrise, 4 farklı miktarda (%5, %10, %15 ve %20) SiC ilave edilmiştir. Titreşimli tip değirmende bilyesiz olarak (30 dakika) karışt…

This study aims to investigate the effect of pitching motion of a NACA 0012 airfoil on the lift and drag coefficients at different reduced frequencies for a flow over the airfoil at Reynolds number of 5x105. A two-dimensional computational analysis was perform…

In this study, it is aimed to strengthen epoxy with graphene as an adhesive, because of recently the outstanding properties of graphene. For this purpose, the effects of graphene usage on shear strength of modified epoxy-based adhesives were examined. The sh…

Beton teknolojisindeki gelişmeler, dayanım ve dayanıklılık açısından yüksek performanslı beton üretimine olanak sağlamaktadır. Betonun mekanik özellikleri büyük ölçüde malzeme bileşenleri, taze beton performansı ve bakım koşullarına bağlıdır. Normal beton, taz…

This study was compiled from the results of various researches performed on using diethyl ether as a fuel or fuel additive in diesel engines. Three different techniques are used the reduction of the harmful exhaust emissions of diesel engines. The first tech…

This study was compiled from the results of various researches performed on using diethyl ether as a fuel or fuel additive in diesel engines. Three different techniques are used the reduction of the harmful exhaust emissions of diesel engines. The first techni…

Additive manufacturing which is developed in the last half century is promising manufacturing technology. It uses layer-wise production method for obtaining finished product. In recent years, thousand researches were made but there was still gaps about impac…

Bu çalışmada, ağırlıkça %0.1, %0.3 ve %0.5 oranında grafen nanotabaka (GNT) takviyeli alüminyum (Al) matrisli kompozitler toz metalurjisi metoduyla üretilmiştir. Üretilen kompozitlerin deneysel yoğunluğu, çekme dayanımı, aşınma oranısırasıyla; Arşimet yoğunl…

In this study, hybrid composite structures were manufactured by vacuum assisted resin transfer molding method using three different woven fabrics (jute, E-glass and carbon) as the reinforcing material and polyester resin as the matrix material. All composite…

Bu çalışmada, saf alüminyum ve ağırlıkça %0.1, %0.3 ve %0.5 oranında grafen nanotabaka (GNT) katkılı alüminyum (Al) matrisli kompozitler farklı sinterleme sıcaklıklarında (TS=550, 600, 630 °C) toz metalurjisi metoduyla üretilmiştir. Üretilen kompozitlerin d…

In this talk, we investigate a model of the oxygen-phytoplankton-zooplankton dynamics to understand the underlying properties of the effect of environmental stochasticity both on oxygen production rate and phytoplankton growth rate. We address this issue the…

Tekirdağ Province is located in the Thrace part of Marmara Region and the region can be declared as an agriculture and industry city. Karaidemir Dam Lake, which is being used for agricultural irrigation and drinking water supply and flood protection, is loca…

Fuel cells can be considered as clean, efficient and economic devices for the next power generation. Flow configuration and operating conditions such as temperature, relative humidity and stoichiometric number are key factors for improving cell performance. …

Cellular phones are playing an important role in technological devices in today’s world. People start to use cellular phones at early ages. Even kids have their own cellular phones as a precaution for their security. However, researches evaluating long term …