Bir Araç Radyatöründe Al2O3 ve MgO Nano Akışkanları Kullanımının Isı Transferine Etkisinin Deneysel Olarak İncelenmesi

Year 2023, Volume: 8 Issue: 1, 42 - 53, 28.04.2023

Harun Çifci , Refet Karadağ , İsmail Hilali

https://doi.org/10.46578/humder.1197651

Cited By: 1

Abstract

Araç soğutma sistemlerinin en önemli elemanlarından olan radyatörlerde genel olarak su veya su-antifriz karışımları kullanılmakta olup bu akışkanlar özelliklerinden dolayı yeterli ısı transfer kapasitesine sahip değillerdir. Radyatörlerde ısıl özellikleri daha iyi olan nano akışkanlar kullanılarak daha verimli bir soğutma yapılabilmektedir.
Bu çalışmada boru ve kanatçıklı yapıda olan bir araç radyatöründe farklı hacimsel konsantrasyonlarda (% 0.1, % 0.3, % 0.5) hazırlanan saf su esaslı Al2O3 ve MgO nano akışkanlarının 45, 50, 55 ve 60 ℃ giriş sıcaklıkları ve 7, 8, 9, 10 lt/dk hacimsel debilerde ısı transferine etkisi deneysel olarak incelenmiştir. Deneysel veriler kullanılarak en yüksek ısı transfer artışı; Al2O3 nano akışkanları için % 20.11, MgO nano akışkanı için ise % 27.11 olarak hesaplanmıştır. Hacimsel konsantrasyon ve debi artışı ile ısı transferi artış göstermiştir. Isı transferi açısından sıcaklığın; MgO nano akışkanları için olumlu, Al2O3 nano akışkanları için ise olumsuz etkisinin olduğu gözlenmiştir.

Keywords

Nano akışkanlar, Araç radyatörü, Isı transferi

Supporting Institution

HÜBAK

Project Number

170222

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