Using computer-aided software for intake manifold material selection

Yıl 2021, Cilt: 11 Sayı: 3, 925 - 933, 15.07.2021

Şükran Efe Murat Çolak

https://doi.org/10.17714/gumusfenbil.836539

Öz

A four-stroke internal combustion engine consists of more than 30 000 parts. Many of these parts can be exposed to high temperatures, high pressure and high stresses due to the operating conditions of engines. In material selection, it is necessary to know the structural properties of the materials used in the parts as well as their behaviour under operating conditions such as force, pressure, temperature. Considering that a cycle is completed in 0.025 seconds on average, it is seen how important the material selection for the production of most engine parts used is in terms of system stability. Another important factor is economy in material selection. Nowadays, material properties are improving day by day, computer-aided software programs are used for material selection. In this study, a computer-aided material selection program named CES Selector, which analyses the technical properties of the materials as well as the economics of the material, was used despite many computer-aided software programs. By using CES Selector program, material selection of the intake manifold, which directly affects engine performance and combustion efficiency, was made. As a result, it was decided that A356 aluminium alloy cast into gravity mold and T6 heat treated was the most suitable material.

Anahtar Kelimeler

Computer-aided material selection, CES celector software, Intake manifold

Emme manifoldu malzeme seçiminde bilgisayar destekli yazılım kullanılması

Öz

Dört zamanlı bir içten yanmalı motor 30 000’den fazla parçadan oluşmaktadır. Bu parçalar birçoğu, motorlardaki çalışma prensipleri nedeniyle yüksek sıcaklık, yüksek basınç, yüksek gerilmelere maruz kalabilmektedir. Motorlarda gerçekleşen çevrimlerin yüksek motor performansı ve yüksek enerji verimliliği için kararlı yapıda olması gerekmektedir. Bir çevrimin ortalama 0.025 saniyede tamamlandığı düşünülecek olursa, kullanılan çoğu motor parçasının üretimi için gerekli malzeme seçiminin, sistem kararlığı açısından ne kadar önemli olduğu görülmektedir. Malzeme seçiminde parçalarda kullanılan malzemelerin yapısal özellikleri kadar kuvvet, basınç, sıcaklık gibi çalışma şartları altındaki davranışlarının da iyi bilinmesi gerekmektedir. Malzeme seçimini önemli kılan bir diğer hususta ekonomikliktir. Malzeme özelliklerinin her geçen gün iyileştirildiği günümüzde, malzeme seçimi için bilgisayar destekli yazılım programları kullanılmaktadır. Bu çalışmada birçok bilgisayar destekli yazılım programına rağmen malzemelerin teknik özelikleriyle birlikte malzemenin ekonomikliğini de analiz eden CES Selector isimli bilgisayar destekli malzeme seçim programı kullanılmıştır. Bu program kullanılarak, motor performansına ve yanma verimine direk etki eden emme manifoldunun malzeme seçimi yapılmıştır. Sonuç olarak kokil kalıba dökülen, T6 ısıl işlemi yapılmış A356 alüminyum alaşımının en uygun malzeme olduğuna karar verilmiştir.

Anahtar Kelimeler

Bilgisayar destekli malzeme seçimi, CES selector yazılımı, Emme manifoldu

Kaynakça

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